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CURRICULUM
VITA of Steven
W. Leavitt
August
2019 TITLE- Professor of Dendrochronology and
Associate Director, Laboratory of Tree-Ring Research, University of Arizona,
Tucson, AZ 85721 (Phone 602-621-6468;
FAX 602-621-8229) EDUCATION- May 1982 Ph.D. Geosciences. University of Arizona, Tucson (Dissertation title: Inference of past atmospheric δ13C and PCO2 from 13C/12C
measurements in tree rings) Aug 1977 M.S.
Environmental Sciences. University
of Virginia, Charlottesville (Thesis title: Soil-plant relationships of nutrient and
non-nutrient metals in Louisa Co., Virginia) June 1971 B.S. Geology.
University of Illinois, Urbana (Thesis title: The geology and genesis of magmatic iron
deposits at Kiruna and Gellivare, Sweden, and Iron Mountain, Missouri) PROFESSIONAL BACKGROUND- Jan 2015 to Acting Director, Laboratory
of Tree-Ring Research
Aug 2016 Jan 2008 to Assoc. Director, Laboratory of Tree-Ring
Research
present Jul 1996 to Professor, University of Arizona
present Jul 1992 to Acting Director, Laboratory of Tree-Ring
Research
Jul 1993 Aug 1990 to Associate Professor of Dendrochronology,
University of Arizona
Jun 1996 Jul 1989 to Associate Professor of Geology, University of
Wisconsin-Parkside
Aug 1990 Aug 1984 to Assistant Professor of Geology, University of
Wisconsin-Parkside
Jul 1989 Jun 1982 to Post-doc Research Associate, University of
Arizona, Dept. of
Jul 1984 Geosciences TEACHING EXPERIENCE- Graduate teaching assistant -
Environmental Geology, Physical Geology, Mineralogy, Optical Mineralogy,
Geology Summer Field Camp. As Professor - The Weather, Earth
& Man, Environmental Earth Science, Geochemistry, Environmental Geology,
Hydrogeology, Dendrochronology, Senior Seminar, Mineralogy, Petrology,
Introduction to Global Change, Tree Rings as Chronometers, Dendrochronology:
Biological Applications, Global Biogeochemical Cycles, Introduction to Global
Change (Nats101), Natural History of the Southwest. RESEARCH INTERESTS- Dr. Leavitt's research centers on
past, present and future global change, and is variously involved with light
stable-isotope analysis of tree rings, native plant leaves, crop plants, and
geological materials: stable-isotope dendrochronology; light stable-isotope
geochemistry applied to geological and environmental problems; the global
carbon cycle in geologic time and the recent imbalance from anthropogenic
effects; environmental and climate reconstructions with particular interest
in the last 15,000 years. Editor- Tree-Ring Research; Communicating
Editor- Trees-Structure and Function; Associate Editor- Radiocarbon
Ad Hoc manuscript
peer review for 40 different journals & proposal review for 12 agencies
since 1994; From 2010 through 2018, >250 journal manuscript reviews
(including revisions; excluding Tree-Ring
Research) and >35 proposals. Member-
The Geochemical Society; American Geophysical Union; The Tree‑Ring
Society; American Quaternary Association PUBLICATIONS-
1979 Holle, R.R., Simpson, J. and Leavitt, S.W., 1979. GATE
B-scale cloudiness from whole-sky cameras on four U.S. ships. Monthly Weather Rev. 107:874-895. Leavitt,
S.W. and Goodell, H.G., 1979.
Evaluation of biogeochemical prospecting methods in the search for
sulfide deposits in the Appalachian, Piedmont, Virginia, USA. J. Geochem. Expl. 11:89-100. Leavitt,
S.W., Dueser, R.D. and Goodell, H.G., 1979. Plant regulation of essential and
non-essential heavy metals. J.
Appl. Ecol. 16:203-212. 1982 Leavitt,
S.W. and Long, A., 1982. Evidence
for 13C/12C fractionation between tree leaves and
wood. Nature 298:742-744. Leavitt,
S.W. and Long, A., 1982. Stable
carbon isotopes as a potential supplemental tool in dendrochronology. Tree-Ring Bulletin 42:49-55. Leavitt,
S.W., 1982. Annual volcanic CO2
emission: an estimate from eruption chronologies. Environmental Geology 4:15-21. Leavitt,
S.W., Donahue, D.J. and Long, A., 1982.
Charcoal production from wood and cellulose: implications to
radiocarbon dates and accelerator target production. Radiocarbon 24:27-35. 1983 Leavitt,
S.W. and Long, A., 1983. An
atmospheric 13C/12C reconstruction generated through
removal of climate effects from tree-ring 13C/12C
measurements. Tellus 35B:92-102. Leavitt,
S.W. and Long, A., 1983. Possible
climatic response of δ13C (cellulose) in leaves of pinyon pine in Arizona,
USA. Isotope Geos. 1:169-180. (pdf) Leavitt,
S.W. and Long, A., 1983. On a
50-year "climate-free" δ13C record from juniper tree rings. Radiocarbon 25:267-268. 1984 Leavitt,
S.W. and Long, A., 1984. Sampling
strategy for stable carbon isotope analysis of tree rings in pine. Nature 301:145-147. 1985 Leavitt,
S.W. and Long A., 1985.
Stable-carbon isotopic composition of maple sap and foliage. Plant Physiology 78:427-429. Leavitt,
S.W. and Long, A., 1985. The global
biosphere as net CO2 source or sink: evidence from carbon isotopes in tree
rings.
In Planetary Ecology, Caldwell, D.E., Brierly, J.A. and Brierly,
C.L., eds. Van Nostrand Reinhold
Company, New York, p. 89-99. Leavitt,
S.W., Long, A. and Dean, J.S., 1985.
Tree-ring dating through pattern-matching of stable-carbon isotope
time series. Tree-Ring Bulletin 45:1-9. (Published in 1986). 1986 Leavitt,
S.W. and Long, A., 1986. Trends of 13C/12C
ratios in pinyon pine tree rings of the American southwest and the global
carbon cycle. Radiocarbon 28:376-382. Leavitt,
S.W. and Long, A., 1986.
Stable-carbon isotope variability in tree foliage and wood. Ecology 67:1002-1010. 1987 Leavitt,
S.W. and Long, A., 1987. Influence
of site disturbance on δ13C isotopic time series from tree rings.
In Proceedings of the
International Symposium on Ecological Aspects of Tree-Ring Analysis, U.S.
Dept. of Energy/U.S. Environ. Protection Agency/U.S. Dept. of Agriculture,
Publ. CONF-8608144, p. 119-129.
Available through Natl. Technical Information Service, U.S. Dept. of
Commerce. Long, A., Leavitt,
S.W. and Cheng, S., 1987.
Carbon-13/Carbon-12 variations in bristlecone pine over the past 600
years and their relation to climate and global atmospheric CO2. In Proceedings of the International
Symposium on Ecological Aspects of Tree-Ring Analysis, U.S. Dept. of Energy/
U.S. Environ. Protection Agency/U.S. Dept. of Agriculture, Publ.
CONF-8608144, p. 485-493. Available through Natl. Technical Information
Service, U.S. Dept. of Commerce. Leavitt,
S.W. and Long, A., 1987.
Stable-carbon isotopic composition of plants near an Arizona
smelter. In The Practical Applications of Trace Elements and Isotopes to
Environmental Biogeochemistry and Mineral Resources Evaluation, Hurst, R.W.,
Davis, T.E. and Augustithis, S.S., eds. Theophrastus Publications, S.A.,
Athens, p. 47-57. Leavitt,
S.W., 1987. Stable-carbon isotopes
in tree rings as environmental indicators.
In The Practical Applications
of Trace Elements and Isotopes to Environmental Biogeochemistry and Mineral
Resources Evaluation, Hurst, R.W., Davis, T.E. and Augustithis, S.S., eds.
Theophrastus Publications, S.A., Athens, p. 61-73. 1988 Leavitt,
S.W. and Long, A., 1988. Stable
carbon isotope chronologies from trees in the southwestern United
States. Global Biogeochemical Cycles 2:189-198. 1989 Leavitt,
S.W. and Long, A., 1989. Intertree
variability of δ13C in tree
rings. In Stable Isotopes in Ecological Research, Rundel, P.W.,
Ehleringer, J.R., and Nagy, K.A., eds.
Springer-Verlag, New York, Chapter 7. Leavitt,
S.W. and Long, A., 1989. Drought
indicated in carbon-13/carbon-12 ratios of southwestern tree rings. Water Resources Bulletin 25:341-347. Leavitt,
S.W. and Long, A., 1989.
Accelerator-measured 14C activity in tree rings from the
vicinity of the first atomic bomb test.
Radiocarbon 31:762-765. Leavitt,
S.W. and Long, A., 1989. The
atmospheric δ13C record as derived from 56 pinyon trees at 14
sites in the southwestern U.S.
Radiocarbon 31:469-474. Leavitt,
S.W. and Long, A., 1989. Variation
of concentration, 14C activity and 13C/12C
ratios of CO2 in air samples from Kitt Peak, Arizona. Radiocarbon 31:464-468. 1990 Leavitt,
S.W. and Parkhurst, G.P., 1990.
Radon concentrations in water from private wells in southeastern
Wisconsin. Wisconsin Geological and
Natural History Survey Open-File Report WOFR1990-02, 17 p. 1991 Leavitt,
S.W., 1991, The Great Lakes forest
fires of 8-10 October 1871. In Global Biomass Burning, Levine, J.S.,
ed., MIT Press, Cambridge, Massachusetts, p. 519-522. Leavitt, S.W. and Danzer, S.R., 1991. Chronology from plant matter. Nature 352:
671. Leavitt,
S.W. and Long, A., 1991. Seasonal
stable-carbon isotope variability in tree rings: possible paleoenvironmental
signals. Chemical Geology (Isotope
Geoscience Section) 87:59-70. 1992 Leavitt, S.W., 1992. Isotopes
and trace elements in tree rings. Lundqua Report 34: 182-190. Leavitt,
S.W., 1992. Stable-carbon isotope time
series from tree rings of Two Creeks wood (ca. 11,800 yr BP). Lundqua Report 34: 191-192. Hughes, M.K. and Leavitt,
S.W., 1992. Report of the
workshop, Prospects for temporal extension of the radiocarbon calibration, 19
May 1991. Radiocarbon 34: 941. Leavitt,
S.W. and Kalin, R.M., 1992. A new
tree-ring width, δ13C and 14C
investigation of the Two Creeks site.
Radiocarbon 34:792-797. Leavitt,
S.W. and Danzer, S.R., 1992. δ13C variations in C3 plants over the past
50,000 years. Radiocarbon 34:783-791. Leavitt,
S.W. and Long, A., 1992.
Altitudinal differences in δ13C of bristlecone pine. Naturwissenschaften 79:178-180. Leavitt,
S.W., Paul, E.A., Kimball, B.A. and Hendrey, G.R., 1992. Isotopic estimation of inputs of carbon to cotton
soils under FACE CO2 enrichment. DOE Research Summary, No. 22,
December, 4 pp. Leavitt,
S.W. and Newberry, T., 1992.
Systematics of stable-carbon isotopic differences between gymnosperm
and angiosperm trees. Plant Physiol.
(Life Sci. Adv.) 11:257-262. 1993 Leavitt S.W. and Danzer,
S.R., 1993. Method for batch processing small wood samples to holocellulose
for stable-carbon isotope analysis. Analytical Chemistry 65:87-89. Leavitt,
S.W., 1993. Seasonal 13C/12C
changes in tree rings: species and site
coherence, and a possible drought influence. Canadian Journal of Forest
Research 23:210-218. Leavitt,
S.W., 1993. Environmental
Information from 13C/12C ratios of wood. Geophysical Monograph 78:325-331 (Amer. Geophys. Union). Schimmelmann, A., Miller, R.F. and Leavitt, S.W., 1993.
Hydrogen isotopic exchange and stable isotope ratios in cellulose,
wood, chitin, and amino acids.
Geophysical Monograph 78:367-374
(Amer. Geophys. Union). Dupouey, J.-L., Leavitt,
S., Choisnel, E. and Jourdain, S., 1993. Modelling carbon isotope fractionation in
tree rings based on effective evapotranspiration and soil water status.
Plant, Cell and Environ. 16:939-947. Leavitt,
S.W., 1993. Review of Geomorphic Responses to Climatic Change
by William B. Bull, Bull. Am. Meteorol.
Soc. 74:105. 1994 Van de Water, P.K., Leavitt, S.W. and Betancourt, J.B., 1994. Trends in stomatal density and 13C/12C
leaves during the last glacial-interglacial cycle. Science 264: 239-243. (PDF) Leavitt,
S.W., 1994. Major wet interval in
White Mountains Medieval Warm Period evidenced in δ13C of bristlecone pine tree rings.
Climatic Change 26:299-307. Leavitt,
S.W. and Lara, A., 1994. South American
tree rings show declining δ13C trend. Tellus 46B:
152-157. Leavitt,
S.W., Paul, E.A., Kimball, B.A., Hendrey, G.R., Mauney, J.R., Rauschkolb,
R., Rogers, Jr., H., Lewin, K.F., Nagy, J., Pinter, Jr., P.J. and Johnson,
H.B., 1994. Carbon isotope dynamics of CO2-enriched FACE cotton
and soils. Agricultural and Forest
Meteorolology 70: 87-101. Leavitt,
S.W., 1994. Review of Climate Change and Human Impact on the
Landscape by F.M. Chambers (ed.), Bull.
Am. Meteorol. Soc. 75: 640-641. 1995 Leavitt, S.W., Liu, Y.,
Hughes, M.K., Liu, R., An, Z., Gutierrez, G.M., Danzer, S.R. and Shao, X.,
1995. A single-year δ13C chronology
from Pinus tabulaeformis (Chinese
pine) tree rings at Huangling, China.
Radiocarbon 37: 605-610. Leavitt,
S.W., Hughes, M.K., Liu, Y., and An, Z., 1995. Stable-carbon isotope tree-ring
chronologies from Xian, China. In Tree Rings from the Past to the Future,
Proceedings of the International Workshop on Asian and Pacific
Dendrochronology, Tsukuba, Japan, March 4-9, Forestry and Forest Products
Research Institute Scientific Meeting Report 1 (ISSN 1341-1969), Tsukuba,
Japan, pp. 182-186. Paul, E.A., Horwath, W.R., Harris, D., Follett, R., Leavitt, S.W., Kimball, B.A. and
Pregitzer, K., 1995. Establishing the
pool sizes and fluxes in CO2 emissions from soil organic matter
turnover. In Advances in Soil Science: Soils and Global Change, Lal, R.,
Kimble, J., Levine, E. and Stewart, B.A., eds., Lewis Publishers, Boca Raton,
Florida, p. 297-305. 1996 Liu, Y., Leavitt,
S.W., Hughes, M.K., and Wu, X., 1996.
Stable carbon isotopes in tree rings from Huangling, China, and
climate variation. Science in China
(Series D) 39: 152-161. Leavitt,
S.W., Follett, R.F. and Paul, E.A., 1996.
Estimation of slow and fast-cycling organic carbon pools from 6N HCl
hydrolysis. Radiocarbon 38: 231-239. Leavitt,
S.W., Paul, E.A., Pendall, E., Pinter, P.J. and Kimball, B.A., 1996. Field variability of carbon isotopes in
soil organic carbon. Nuclear
Instruments and Methods in Physics Research B 123: 451-454. 1997 Leavitt,
S.W., Paul, E.A., Galadima, A., Nakayama, F.S., Danzer, S.R., Johnson, H.
and Kimball, B.A., 1997. Carbon
isotopes and carbon turnover in cotton and wheat FACE experiments. Plant and Soil 187: 147-155. Follett, R.F., Paul, E.A., Leavitt, S.W., Halvorson, A.D. and Peterson, G.A., 1997. Determination of soil organic matter pool
sizes and dynamics: 13C/12C ratios of Great Plains
soils in wheat-fallow cropping systems. Soil Science Society of America
Journal 61: 1068-1077. Bert, D., Leavitt,
S.W. and Dupouey, J.-L., 1997. Variations of wood δ13C and water-use efficiency of Abies
alba during the last century.
Ecology 78: 1588-1596. Paul, E.A., Follett, R.F., Leavitt, S.W., Halvorson, A., Peterson, G. and Lyon, D.,
1997. Determination of the pool sizes
and dynamics of soil organic matter: Use of carbon dating for Great Plains
soils. Soil Science Society of America Journal 61:1058-1067. Kochis, N.S. and Leavitt,
S.W., 1997. Radon emanations from
soil of Kenosha, Racine and Waukesha Counties, Southeastern Wisconsin.
Geoscience Wisconsin 16:55-62. Pewe, T.L., Berger, G.W., Westgate, J.A., Brown, P.M.
and Leavitt, S.W., 1997. Eva
Interglaciation Forest Bed, Unglaciated East Central Alaska: Global Warming
125,000 Years Ago. Geological
Society of America Special Paper 319, 54 p. Leavitt,
S.W., 1997. Review of Nuclear Techniques in Soil-Plant Studies for Sustainable Agriculture
and Environmental Preservation by IAEA and FAO. Radiocarbon 39: 355. 1998 Shanley,
J.B. and 25 other authors including Leavitt,
S.W., 1998. Isotopes as indicators
of environmental change. In Isotope Tracers in Catchment
Hydrology, Kendall, C. and McDonnell, J.J., eds., pp.
762-816, Elsevier. Thompson,
T.L., White, S.A., Leavitt, S.W., Pendall,
E., and Matthias, A.D., 1998. Nitrogen
and carbon dynamics in a wheat agroecosystem under elevated atmospheric CO2. In
Proc. of the Dahlia Greidinger International Symposium on Fertilization and
the Environment, Mordvelt, J.J, ed., pp. 182-192. Leavitt,
S.W., Wright, W.E. and Long, A., 1998.
ENSO signal in δ13C of pre‑ and post‑False Latewood of
ponderosa Pine Tree Rings in Southeastern Arizona. Proceedings
of 14th Annual Pacific Climate (PACLIM) Workshop, Wilson, R. and Tharp, V.L.
(eds.), April 6-9, 1997, Two Harbors, Santa Catalina Island. Technical Report 57 of the Interagency
Ecological Program for the Sacramento-San Joaquin Estuary, California
Department of Water Resources, pp. 37-44. Leavitt,
S.W.,
1998. Review of Global Continental Palaeohydrology by K.J. Gregory, L. Starkel,
and V.R. Baker (eds.), Bull. Amer. Meteor. Soc. 79: 665-666. Leavitt,
S.W.,
1998. Review of Biogeochemistry, An Analysis of Global Change by W.H.
Schlesinger, EOS (Trans. Amer. Geophys. Union) 79(2): 20. 1999 Leavitt, S.W., Wright, W.E. and Long, A.,
1999. Evidence for ENSO in tree-ring δ13C along a
500-km E-W transect in southern Arizona and New Mexico. Proceedings
of the 15th Pacific Climate (PACLIM) Workshop, R. Wilson and L. Buffaloe
(eds.), April 27-30, 1998. Technical Report 64 of the Interagency Ecological
Program for the Sacramento-San Joaquin Estuary, California Department of
Water Resources, pp. 61-67. Wright,
W.E., Leavitt, S.W., Long, A.,
1999. ENSO teleconnections: Eastern
Pacific Sea Surface temperature correlations with δ18O
in southeastern Arizona precipitation and tree cellulose. Proceedings
of the 15th Pacific Climate (PACLIM) Workshop, R. Wilson and L. Buffaloe
(eds.), April 27-30, 1998. Technical
Report 64 of the Interagency Ecological Program for the Sacramento-San
Joaquin Estuary, California Department of Water Resources, pp. 97-109. Kimball, B.A., LaMorte, R.L., Pinter Jr., P.J., Wall,
G.W., Hunsaker, D.J., Adamsen, F.J., Leavitt,
S.W., Thompson, T.L., Matthias, A.D., and Brooks, T.J., 1999. Free-air CO2 enrichment (FACE)
and soil nitrogen effects on energy balance and evapotranspiration of
wheat. Water Resour. Res. 35(4): 1179-1190. Pendall, E., Betancourt, J.L. and Leavitt, S.W., 1999.
Paleoclimatic significance of δD and δ13C values in piñon pine needles from packrat
middens spanning the last 40,000 years. Palaeogeography, Palaeoclimatology,
Palaeoecology 147: 53-72. Adamsen, F.J., Pinter, P.J., Barnes, E.M., LaMorte,
R.L., Wall, G.W., Leavitt, S.W.
and Kimball, B.A., 1999. Measuring
wheat senescence with a digital camera.
Crop Science 39: 719-724. 2000 Adam, N.R., Wall, G.W., Kimball,
B.A., Pinter, P.J. Jr., LaMorte, R.L., Hunsaker, D.J., Adamsen, F.J.,
Thompson, T., Matthias, A.D., Leavitt,
S.W., and Webber, A.N., 2000.
Acclimation response of spring wheat in a free-air CO2 enrichment
(FACE) atmosphere with variable soil nitrogen regimes. I. Leaf position and
phenology determine acclimation response.
Photosynthesis Research 66:
65-77. Brooks, T.J.,
Wall, G.W., Pinter, P.J., Kimball, B.A., LaMorte, R.L., Leavitt, S.W., Matthias, A.D., Adamsen, F.J., Hunsaker, D.J. and
Webber, A.N., 2000. Acclimation
response of spring wheat in a free-air CO2 enrichment (FACE)
atmosphere with variable soil nitrogen regimes: Canopy architecture and gas
exchange. Photosynthesis Research 66(1-2): 97-108. Hunsaker D.J., Kimball B.A.,
Pinter P.J., Wall G.W., LaMorte R.L., Adamsen F.J., Leavitt S.W.,Thompson T.L., Matthias A.D. and Brooks T.J., 2000.
CO2 enrichment and soil nitrogen effects on wheat
evapotranspiration and water use efficiency. Agriculture and Forest Meteorology 104: (2) 85-105 Pinter Jr., P.J., Kimball, B.A., Wall, G.W., LaMorte,
R.L., Hunsaker, D.J., Adamsen, F.J., Frumau, K.F.A., Vugts, H.F., Hendrey,
G.R., Lewin, K.F., Nagy, J., Johnson, H.B., Wechsung, F., Leavitt, S.W., Thompson, T.L.,
Matthias, A.D., and Brooks, T.J., 2000.
Free-air CO2 enrichment (FACE): blower effects on wheat
canopy microclimate and plant development.
Agriculture and Forest Meteorology 103: 319-333. Sinclair, T.R., Pinter Jr., P.J., Kimball, B.A.,
Adamsen, F.J., LaMorte, R.L., Wall, G.W., Hunsaker, D.J., Adam, N., Brooks,
T.J., Garcia, R.L., Thompson, T., Leavitt,
S., Matthias, A., 2000. Leaf nitrogen
concentration of wheat subjected to elevated [CO2] and either
water or N deficiencies. Agriculture
Ecosystems and Environment 79:
53-60. Wall,
G.W., Adam, N.R., Brooks, T.J., Kimball, B.A., Pinter,
P.J. Jr., LaMorte, R.L., Adamsen, F.J., Hunsaker,
D.J., Wechsung, G., Wechsung, F., Grossman-Clarke,
S., Leavitt, S.W., Matthias, A.D., Webber, A.N. Acclimation
response of spring wheat in a free-air CO2 enrichment (FACE)
atmosphere with variable soil nitrogen regimes. 2. Net assimilation and
stomatal conductance of leaves. Photosynthesis Research 66: 79-95. Wechsung, F., Garcia, R.L., Wall, G.W., Kartschall, T.,
Kimball, B.A., Michaelis, P., Pinter Jr., P.J., Wechsung, G.,
Grossman-Clarke, S., LaMorte, R.L., Adamsen, F.J., Leavitt, S.W., Thompson, T.L., Matthias, A.D., and Brooks, T.J.,
2000. Photosynthesis and conductance of spring wheat ears: field response to
free-air CO2 enrichment and limitations in water and nitrogen
supply. Plant, Cell and Environment 23: 917-929. 2001 Cousins, A.B., Adam, N.R., Wall,
G.W., Kimball, B.A., Pinter, P.J. Jr., Leavitt,
S.W., LaMorte, R.L.,Matthias, A.D., Ottman, M.J., Thompson, T.L.,
and Webber, A.N., 2001. Reduced
photorespiration and increased energy-use efficiency in young CO2-enriched
sorghum leaves. New Phytologist 150:
275-284. Conley, M.M., Kimball, B.A.,
Brooks, T.J., Pinter, P.J., Hunsaker, D.J., Wall, G.W., Adam, N.R., LaMorte,
R.L., Matthias, A.D., Thompson, T.L., Leavitt,
S.W., Ottman, M.J., Cousins, A.B., and Triggs, J.M., 2001. CO2
enrichment increases water-use efficiency in sorghum. New Phytologist 151: 407-412. Danzer, S.R., Leavitt,
S.W., Panyushkina, I., Mergner, A., Garcia, E. and Best-Svob, V.,
2001. Xylem tracheid development in Pinus resinosa seedlings in controlled
environments. Tree-Ring Research 57:
45-53. Grant R.F., Kimball B.A., Brooks
T.J., Wall G.W., Pinter P.J. Jr., Hunsaker D.J., Adamsen F.J., Lamorte R.L., Leavitt S.W., Thompson T.L., and
Matthias A.D., 2001. Modeling interactions among carbon dioxide, nitrogen, and
climate on energy exchange of wheat in a free air carbon dioxide
experiment. Agronomy Journal 93(3): 638-649. Hemming,
D., Fritts, H., Leavitt, S.W.,
Wright, W., Long, A., Shashkin, A., 2001.
Modelling tree-ring δ13C. Dendrochronologia 19(1): 23-38. Hemming,
D., Jalkanen, R. and Leavitt, S.W.,
2001. Preliminary relationships
between climate and the apical extension, needle production and ring width of
Pinus ponderosa in Arizona, USA.
The Palaeobotanist 50(1): 125-131. Kimball,
B.A., Morris, C.F., Pinter, P.J. Jr., Wall, G.W., Hunsaker, D.J., Adamsen,
F.J., LaMorte, R.L., Leavitt, S.W.,
Thompson, T.L., Matthias, A.D., and Brooks, T.J., 2001. Elevated CO2, drought and soil
nitrogen effects on wheat grain quality. New Phytologist 150: 295-303. Leavitt, S.W., 2001. Seasonal response of δ13C in Pinus
resinosa Ait. seedling growth rings to changing environment in controlled
growth experiments. Dendrochronologia 19(1): 9-22. Leavitt, S.W. and Baisan, C.H., 2001. Variability of seasonal δ13C patterns in Apache pine from
southern Arizona, USA. The
Palaeobotanist 50(1): 117-123. Leavitt, S.W., Pendall, E., Paul, E.A.,
Brooks, T., Kimball, B.A., Pinter, P.J. Jr., Johnson, H.B., Matthias, A.,
Wall, G.W., and LaMorte, R.L., 2001.
Stable-carbon isotopes and soil organic carbon in wheat under CO2
enrichment. New Phytologist 150: 305-314. Leavitt, S.W., Wright, W.E., Long, A. and
Fritts, H., 2001. A century-length
tree-ring δ13C chronology
from southeastern Arizona. Proceedings
of 17th Annual Pacific Climate (PACLIM) Workshop, 22-25 May 2000, Two
Harbors, Santa Catalina Island. Eds. West, G.J. and Buffaloe, L.D., Technical
Report #67 of the Interagency Ecological Program for the San Francisco
Estuary, pp. 11-18, March 2001. Liu,
Y., Ma, L., Hughes, M.K., Garfin-Woll, G.M., Cai, Q., An, Z., and Leavitt, S.W., 2001. Seasonal temperature reconstruction from
central China based on tree ring data.
The Palaeobotanist 50(1):
89-94. Matthias,
A.D., Leavitt, S.W., Thompson,
T.L., Kimball, B.A., Pinter Jr., P.J., Wall, G.W., Rauschkolb, R.S., Ottman,
R.L., Roth, R.L., Brooks, T.J., Adam, N.R., LaMorte, R.L., Wechsung, G.,
Wechsung, F., Adamsen, F.J., Williams, D.G., Nakayama, F.S., Hunsaker, D.J.,
Watson, J., White, S.A., and Welzmiller, J., 2001. Free-air CO2 enrichment effects
on wheat and sorghum at Maricopa, Arizona, USA. In Carbon Dioxide and Vegetation: Advanced
International Approaches for Absorption of CO2 and Responses to CO2. National Institute for Environmental
Studies, Tsukuba, Ibaraki, Japan. March 18, 1999, pp. 87-96. Paul, E.A., Collins, H.P. and Leavitt, S.W., 2001.
Dynamics of resistant soil carbon of Midwestern agricultural soils
measured by naturally occurring 14C abundance. Geoderma 104: 239-256. Pendall, E., Leavitt,
S.W., Brooks, T., Kimball, B.A., Pinter, P.J. Jr., Wall, G.W., LaMorte,
R.L., Wechsung, G., Wechsung, F., Adamsen, F., Matthias, A.D., Thompson,
T.L., 2001. Elevated CO2
stimulates soil respiration in a FACE wheat field. Basic and Applied Ecology 2: 193-201. Ottman,
M.J., Kimball, B.A., Pinter, P.J. Jr., Wall, G.W., Vanderlip, R.L., Leavitt, S.W., LaMorte, R.L.,
Matthias, A.D., and Brooks, T.J., 2001.
Elevated increases sorghum biomass under drought conditions. New
Phytologist 150: 261-273. Rillig M.C., Wright S.F., Kimball
B.A., Pinter P.J. Jr., Wall G.W., Ottman M.J., Leavitt S.W., 2001.
Elevated carbon dioxide and irrigation effects on water stable
aggregates in a sorghum field: a possible role for arbuscular mycorrhizal
fungi. Global Change Biology 7(3): 333-337. Wall, G.W., Brooks, T.J., Adam, N.R.,
Cousins, A.B., Kimball, B.A., Pinter, P.J. Jr., LaMorte, R.L., Triggs, J.,
Ottman, M.J., Leavitt, S.W.,
Matthias, A.D., Williams, D.G., and Webber, A.N., 2001. Elevated atmospheric CO2 improved sorghum plant water
status by ameliorating the adverse effects of drought. New Phytologist 152: 231-248. Williams,
D.G., Gempko, V., Fravolini, A., Leavitt,
S.W., Wall, G.W., Kimball, B.A., Pinter, P.J. Jr., LaMorte, R.L., and
Ottman, M., 2001. Carbon isotope
discrimination by Sorghum bicolor
under CO2 enrichment and drought. New Phytologist 150: 285-293. Wright,
W.E., Long, A., Comrie, S.W., Leavitt,
S.W., Cavazos, T., and Eastoe, C., 2001.
Monsoonal moisture sources revealed using temperature, precipitation,
and precipitation stable isotope timeseries.
Geophysical Research Letters 28:
787-790. 2002 Coltrain,
J. and Leavitt, S.W., 2002. Climate and diet in Fremont prehistory:
Economic variability and abandonment of maize agriculture in the Great Salt
Lake Basin. American Antiquity 67: 453-485. Cousins,
A.B., Adam, N.R., Wall, G.W., Kimball, B.A., Pinter, P.J., Ottman, M.J., Leavitt,
S.W., Webber, A.N, 2002. Photosystem II energy use,
non-photochemical quenching and the xanthophyll cycle in Sorghum bicolor
grown under drought and free-air CO2 enrichment (FACE) conditions.
Plant Cell and Environment 25: 1551-1559. Leavitt, S.W., 2002. Editor’s Note. Tree-Ring
Research. 58(1): 1 Leavitt, S.W., 2002. Prospects for
reconstruction of seasonal environment from tree-ring δ13C: Baseline findings from the
Great Lakes area, U.S.A. Chemical
Geology 192(1-2): 47-58. Leavitt, S.W., Wright, W.E., Long, A.,
2002. Spatial expression of ENSO,
drought and summer monsoon in seasonal δ13C of ponderosa pine tree rings in
southern Arizona and New Mexico. J. Geophys. Res. 107
(D18) 4349, doi:10.1029/2001JD001312. Pedicino,
L.C., Leavitt, S.W., Betancourt,
J.L. and Van de Water, P.K., 2002.
Historical variations in δ13Cleaf of herbarium
specimens in the southwestern U.S.
Western North American Naturalist 62: 348-359. Terwilliger,
V.J., Betancourt, J.L., Leavitt, S.W.
and Van de Water, P.K., 2002. Leaf cellulose dD and δ18O trends with elevation differ in
direction among co-occurring, semi-arid plant species. Geochimica et
Cosmochimica Acta 66: 3887-3900. Van de Water, P.K., Leavitt, S.W., Betancourt, J.L., 2002. Leaf δ13C variability with elevation,
slope aspect, and precipitation in the U.S. Southwest. Oecologia 132: 332-343. 2003 Cousins,
A.B., Adam, N.R., Wall, G.W., Kimball, B.A., Pinter, P.J. Jr., Ottman, M.J., Leavitt, S.W., and Webber, A.N.,
2003. Development of C4 photosynthesis
in sorghum leaves grown under elevated CO2. J. Exp. Botany 26: 1529-1539. Derner,
J.D., Johnson, H.B., Kimball, B.A., Pinter, P.J. Jr., Polley, H.W., Tischler,
C.R., Boutton, T.W., LaMorte, R.L., Wall, G.W., Adam, N.R., Leavitt, S.W., Ottman, M.J.,
Matthias, A.D. and Brooks, T.J., 2003.
Above- and belowground responses of C3-C4 species mixtures to elevated CO2 and soil water
availability. Global Change Biology.
9: 452-460. Leavitt, S.W., Idso, S.B., Kimball, B.A.,
Burns, J.M., Sinha, A. and Stott, L., 2003.
The effect of long-term atmospheric CO2 enrichment on the
intrinsic water-use efficiency of sour orange trees. Chemosphere: Global Change Science 50(2):
217-222. Pataki D.E., Ellsworth, D.S.,
Evans, R.D., Gonzalez-Meler, M., King, J., Leavitt, S.W., Lin, G., Matamala, R., Pendall, E., Siegwolf, R.,
van Kessel, C., Ehleringer, J.R., 2003. Tracing changes in ecosystem
function under elevated carbon dioxide conditions. Bioscience 53: 805-818. 2004 Follett, R.F., Kimble, J., Leavitt, S.W. and Preussner, E.,
2004. Potential use of soil C isotope analyses to evaluate paleoclimate. Soil
Science 169: 471-488. Grant, R.F.,
Kimball, B.A., Wall, G.W., Triggs,
J.M., Brooks, T.J., Pinter, P.J. Jr., Conley, M.M., Ottman, M.J., Lamorte,
R.L., Leavitt, S.W., Thompson,
T.L. and Matthias, A.D. 2004. Modeling elevated carbon dioxide effects on water relations, water use,
and growth of irrigated sorghum.
Agronomy Journal 96:
1693-1705. Liu,
Y., Ma, L., Leavitt, S.W., Cai,
Q., and Liu, W., 2004. Seasonal
precipitation reconstruction from tree-ring stable carbon isotopes at Mt.
Helan, China, since AD 1804. Global and Planetary Change 41: 229-239. Panyushkina, I.P., Leavitt, S.W., Wiedenhoeft, A., Noggle, S., Curry, B. and Grimm,
E., 2004. Tree-ring records of near-Younger
Dryas time in Central N. America- Preliminary results from the Lincoln Quarry
site, central Illinois, USA. Radiocarbon 46: 933-941. Robertson, I.,
Loader, N.J., McCarroll, D., Carter, A.H.C., Cheng, L., Leavitt, S.W. 2004. δ 13C of tree-ring lignin as an
indirect measure of climate change.
Water, Air and Soil Pollution 4: 531–544. Tarhule, A. and Leavitt, S.W., 2004. Stable-Carbon Isotope Composition in Annual
Rings of Isorberlinia doka, Daniella Oliveri, and Tamarindus indica and West African
Climate. Dendrochronologia 22: 61-70. Triggs, J.M., Kimball, B.A., Pinter, P.J. Jr., Wall, G.W., Conley, M.M., Brooks,
T.J., Lamorte, R.L., Adam, N.R., Ottman, M.J., Matthias, A.D., Leavitt, S.W., Cerveny, R.S. 2004. Free-air CO2 enrichment effects on the energy
balance and evapotranspiration of sorghum. Agricultural and Forest
Meteorology 124: 63-79. 2005 Adamsen,
F.J., Wechsung, G., Wechsung, F., Wall, G.W., Kimball, B.A., Pinter, P.J.
Jr., LaMorte, R.L., Garcia, R.L., Hunsaker, D.J. and Leavitt, S.W. 2005. Temporal changes in soil and biomass
nitrogen for irrigated wheat grown under free-air carbon dioxide enrichment
(FACE). Agronomy Journal 97:
160-168. Li, Z.-H., Leavitt, S.W., Mora, C.I., Liu, R.-M., 2005.
Influence
of earlywood-latewood size and isotope differences on long-term tree-ring
δ13C trends. Chemical Geology 216: 191-201. Pendall, E., Williams, D.G. and Leavitt, S.W., 2005. Comparison of
measured and modeled variations in piñon pine leaf water isotopic enrichment
across a summer moisture gradient. Oecologia 145-605-618. Garfin,
G.M., Hughes, M.K., Yu, L., Burns, J.M., Touchan, R., Leavitt, S.W., Zhisheng, An, 2005. Exploratory temperature and precipitation
reconstructions from the Qinling Mountains, north-central China. Tree-Ring Research 61: 59-72. 2006 Benz,
B., Cheng, L., Leavitt, S.W., and
Eastoe, C., 2006. El Riego and early maize agricultural evolution. IN
Histories of Maize, Staller, J., Tykot, R. and Benz, B. (eds.), Ch. 5, pp.
73-82. Leavitt, S.W.,
Panyushkina, I.P., Lange, T., Wiedenhoeft, A., Cheng, L., Hunter, R.D., Hughes,
J., Pranschke, F., Schneider, A.F., Moran, J., and
Stieglitz, R., 2006. Climate in the Great Lakes region between 14,000 and
4,000 years ago from isotopic composition of conifer wood. Radiocarbon 48:
205-217. Hunter,
R.D., Panyushkina, I.P., Leavitt, S.W.,
Wiedenhoeft, A.C. and Zawiskie, J., 2006. A multiproxy environmental
investigation of Holocene wood from a submerged conifer forest in Lake Huron,
USA. Quaternary Research 66: 67-77. Wall,
G.W., Garcia, R.L., Kimball, B.A., Hunsaker, D.J., Pinter, Jr., P.J., Long,
S.P., Osborne, C.P., Hendrix, D.L., Wechsung, F., Wechsung, G., Leavitt, S.W., LaMorte, R.L., and
Idso, S.B., 2005. Interactive Effects
of Elevated CO2 and Drought on Wheat. Agronomy Journal 98: 354-381. Wright,
W.E. and Leavitt, S.W. 2006, Needle cell elongation and maturation
timing derived from pine needle cellulose δ18O. Plant, Cell and Environment 29: 1-15. Wright, W.E. and Leavitt, S.W. 2006. Seasonal humidity reconstructed from a tree-cellulose δ18O time series. Journal of Geophysical Research 111: D18105, doi:10.1029/2005JD006806. 2007 Cheng,
L., Leavitt, S.W., Kimball, B.A.,
Pinter, P.J. Jr., Ottman, M.J., Matthias, A., Wall, G.W., Brooks, T.,
Williams, D.G., and Thompson, T.L., 2007. Dynamics of labile and recalcitrant soil carbon pools in a sorghum
free-air CO2 enrichment (FACE) agroecosystem. Soil Biology and Biochemistry
39(9): 2250-2263. Leavitt,
S.W., 2007.
Review of TRACE- Tree Rings in Archaeology, Climatology and Ecology. Tree-Ring Research 63(1): 63-64. Leavitt, S.W., Chase, T.N.,
Rajagopalan, B., Lee, E., Lawrence, P.J., Woodhouse, C.A., 2007. Southwestern
U.S. drought maps from pinyon tree-ring carbon isotopes. Eos
Tran. Am. Geophys. Union 88(4): 39-40 (Jan. 23, 2006). Leavitt,
S.W.,
2007. Regional Expression of the 1988 U.S. Midwest Drought in Seasonal δ13C
of Tree Rings. Journal of Geophysical Research- Atmospheres 112, D06107,
doi:10.1029/2006JD007081. Leavitt,
S.W., Follett,
R.F., Kimble, J.M., and Pruessner, E.G.,
2007. Radiocarbon and δ13C depth profiles of soil organic
carbon in the U.S. Great Plains: A
possible spatial record of paleoenvironment and paleovegetation. Quaternary
International 162–163: 21–34. Leavitt, S.W.,
Panyushkina, I.P., Lange, T., Cheng, L., Schneider, A.F., Hughes, J., 2007.
Radiocarbon “wiggles” in Great Lakes wood ca. 10,000 to 12,000 B.P.
Radiocarbon 49(2):855-864. Mode, W.N., Panyushkina, I.P., Leavitt, S.W., Williams, J.W.,
Sanitiago, A., Gill, J., Edwards, C., Gertz, H., 2007. Stop 9. Late-glacial and early Holocene
paleoecology: Schneider farm, Calumet County. In: Late-Glacial History of
East-central Wisconsin. 53rd Midwest Friends of the Pleistocene Field
Conference Guidebook, May 18-20, Wis. Geol. and Nat. Hist. Survey, Madison.
Ed. T.S. Hooyer, pp. 53-60. Panyushkina, I.P., Leavitt, S.W., 2007. Insights into
Late Pleistocene/Early Holocene paleoecology from fossil wood around the
Great Lakes region. In: Late-Glacial
History of East-central Wisconsin. 53rd Midwest Friends of the Pleistocene
Field Conference Guidebook, May 18-20, Wis. Geol. and Nat. Hist. Survey,
Madison. Ed. T.S. Hooyer, pp. 47-57. 2008 Anchukaitis,
K.J., Evans, M.N., Lange, T., Smith, D.R., Leavitt, S.W., and Schrag, D.P., 2008. Purity and isotopic
results from a rapid cellulose extraction method. Analytical Chemistry 80(6):
2035-2041. Haavik, L., Stephen, F., Fierke,
M., Salisbury, V., Leavitt, S.W.
and Billings, S., 2008. Tree-ring δ13C and historic growth patterns as
indicators of Northern red oak (Quercus
rubra Fagaceae) susceptibility to red oak borer (Enapholodes rufulus (Haldeman) (Coleoptera: Cerambycidae)).
Forest Ecology and Management 255:1501–1509. Knapp,
A.K., Beier, C., Briske, D., Classen, A.T., Luo, Y., Reichstein, M., Smith,
M.D., Smith, S.D., Bell, J.E., Fay, P.A., Heisler, J.L., Leavitt, S.W., Sherry, R., Smith, B., and Weng, E., 2008.
Consequences of more extreme precipitation regimes for terrestrial
ecosystems. BioScience 58(9): 811-821. Leavitt, S.W., 2008. Tree-ring isotopic
pooling without regard to mass: No difference from averaging δ13C
values of individual trees. Chemical
Geology 252:52–55. Leavitt, S.W., Chase, T.N., Rajagopalan, B.,
Lee, E., Lawrence, P.J., 2008. Southwestern U.S. tree-ring carbon isotope
indices as a possible proxy for reconstruction of greenness of vegetation.
Geophysical Research Letters. 35, L12704, doi:10.1029/2008GL033894. Panyushkina,
I.P., Leavitt, S.W., Thompson,
T.A., Schneider, A.F., Lange, T., 2008. Environment and paleoecology of a 12
ka mid-North American Younger Dryas forest chronicled in tree rings.
Quaternary Research 70:433-441. Robertson,
I., Leavitt, S.W., Loader, N.J.
and Buhay, B., 2008. Progress in isotope dendroclimatology. Chemical Geology
252: EX1-EX4 (editorial) Tardif,
J.C., Conciatori, F., Leavitt, S.W.,
2008. Tree rings, δ13C and climate in Picea glauca growing near Churchill, subarctic Manitoba,
Canada. Chemical Geology 252:88-101.
Williams,
A.P., Still, C.J., Fischer, D.T., and Leavitt,
S.W., 2008. The influence of summertime fog and overcast clouds on the
water relations of a coastal Californian pine: A tree-ring study. Oecologia 156(3):601-611. 2009 Leavitt,
S.W., 2009.
Carbon isotopes- stable. IN Encyclopedia
of Paleoclimatology and Ancient Environments (Encyclopedia of Earth
Sciences Series), Gornitz, Vivien (Ed.), pp. 133-136. ISBN: 978-4020-4551-6,
1049 p. Leavitt, S.W., 2009. Editor’s Note. Tree-Ring
Research 65(1): 3. Leavitt, S.W. and Bannister, B., 2009. Dendrochronology and radiocarbon dating:
The Laboratory of Tree-Ring Research connection. Radiocarbon 51:373-384. Leavitt, S.W., Follett, R.F., 2009. Stable-carbon isotopes of U.S.
Great Plains soils and climate events during the Holocene. SSSA Special paper. Ch. 14, pp.
223-232, Soil Carbon Sequestration and the Greenhouse Effect, 2nd edtion,
edited by Rattan Lal, Ronald F. Follett, SSSA Special Publ. 57. Pewe, T.L., Westgate, J.A., Preece, S.J., Brown, P.M.
and Leavitt, S.W., 2009. Late Pliocene Dawson Cut Forest Bed and new tephrochronological
findings in the Gold Hill Loess, east-central Alaska. GSA Bulletin 121(1/2):294–320, DOI:
10.1130/B26323.1. Porteaus, F., Hill, J., Ball, A.S., Pinter, P.J.,
Kimball, B.A., Wall, G.W., Adamsen, F.J., Hunsaker, D.J. , LaMorte, R.L., Leavitt, S.W., Thompson, T.L.,
Matthias, A.D., Brooks, T.J., Morris, C.F., 2009. Effect of Free Air Carbon dioxide
Enrichment (FACE) on the chemical composition and nutritive value of wheat
grain and straw. Animal Feed Science
and Technology 149:322–332. Schneider,
A.F., Leavitt, S.W., and Lange,
T., 2009. Stratigraphy, age and flora of the Southport forest bed,
Southeastern Wisconsin. Journal of
Great Lakes Research 35: 538–547. 2010 Bale,
R.J., Robertson, I., Leavitt, S.W.,
Loader, N.J., Harlan, T.P., Gagen, M.H., Young, G.H.F., Csank, A.Z., Froyd,
C.A., McCarroll, D., 2010. Temporal stability in bristlecone pine tree-ring δ18O
chronologies over the last two centuries.
The Holocene 20(1):3-6. Leavitt,
S.W., 2010. Tree-ring C-H-O isotope variability and
sampling. Science of the Total
Environment 408: 5244–5253. Leavitt, S.W., Treydte, K., Yu, L., 2010. Environment in time and space:
Opportunities from tree-ring isotope networks. IN Understanding Movement, Pattern, and
Processes on Earth Through Isotope Mapping, West, J.B.; Bowen, G.J.;
Dawson, T.E.; Tu, K.P. (eds.), Ch. 6, Springer, Dordrecht, pp. 113-135. Kagawa, A., Leavitt, S.W., 2010. Stable carbon isotopes of tree rings as a tool to pinpoint timber geographic origin. J. of Wood Science, doi: 10.1007/s10086-009-1085-6. Special Issue “Wood Science and Technology for Mitigation of Global Warming”. Panyushkina I.P., Leavitt S.W., 2010. Ancient tree-ring archives in the U.S. Great
Lakes Region. Eos, Transactions, American Geophysical Union 91(50):489-490. Williams, A.P., Allen, C.D., Millar, C.I., Swetnam,
T.W., Michaelsen, J., Still, C.J., Leavitt,
S.W., 2010. Forest responses to
increasing aridity and warmth in the southwestern United States. PNAS
107(50): 21289-21294, doi: 10.1073/pnas.0914211107. Williams, A.P., Michaelsen, J., Leavitt, S.W. and Still, C.J., 2010. Using tree rings to predict
the response of tree growth to climate change in the continental United
States during the Twenty-first Century. Earth Interactions 14: 1–20,
doi: 10.1175/2010EI362.1. 2011 Bale, R. J., Robertson, I., Salzer, M.W., Loader,
N. J., Leavitt, S.W., Gagen, M.,
Harlan, T.P., McCarroll, D., 2011. A 920 year climate reconstruction of the
White Mountains of California using carbon isotope values from bristlecone
pine cellulose. Quaternary Research 76:22-19. Griffin,
D., Meko, D.M., Touchan, R., Leavitt,
S.W., and Woodhouse, C.A., 2011. Latewood chronology development for
summer-moisture reconstruction in the U.S. Southwest. Tree-Ring Research 67(2):87-101. Zhang,
Y. Tian, Q. Gou, X. Chen, F. Leavitt,
S.W., Wang, Y., 2011. Annual precipitation reconstruction since A.D. 775
based on tree rings from the Qilian Mountains, northwestern China. International
Journal of Climatology 31(3): 371–381 DOI: 10.1002/joc.2085. Leavitt,
S.W., Woodhouse,
C.A., Castro, C.L., Wright, W.E., Meko, D.M., Touchan, R., Griffin, D.,
Ciancarelli, B., 2011. The North American Monsoon in the U.S.
Southwest: Potential for investigation
with tree-ring carbon isotopes. Quaternary International 235: 101-107. Maseyk,
K., Hemming, D., Angert, A., Leavitt, S.W., and Yakir, D., 2011. Increase in water-use efficiency and
underlying processes in pine forests across a precipitation gradient in the
dry Mediterranean region over the past 30 years. Oecologia
167(2):573-585. Wang,
W., Liu, X., Shao, X., Leavitt, S.,
Xu, G.B., An, W.L., Qin, D.H., 2011. A 200 year temperature record from tree
ring δ13C at the Qaidam Basin of the
Tibetan Plateau after identifying the optimum method to correct for changing
atmospheric CO2 and δ13C. Journal of Geophysical
Research-Biogeosciences 116, DOI: 10.1029/2011JG001665. 2012 An,
W., Liu, X., Leavitt, S.W., Sun,
W., Wang, W., Wang, Y., Xu, G., Chen, T., Ren, J., and Qin, D., 2012.
Specific climatic signals recorded in earlywood and latewood δ18O
of tree rings in southwestern China. Tellus B, 64, 18703,
http://dx.doi.org/10.3402/tellusb.v64i0.18703. Creasman,
P.P., Bannister, B., Towner, R.H., Dean, J.S., and Leavitt, S.W., 2012.
Reflections on the foundation, persistence, and growth of the
Laboratory of Tree-Ring Research, circa 1930–1960. Tree-Ring Research 68(2):81-89. Liu,
X., An, W., Treydte, K., Shao, X., Leavitt,
S., Hou, S., Chen, T., Sun, W., and Qin, D., 2012. Tree-ring δ18O in southwestern China linked to
variations in regional cloud cover and tropical sea surface temperature. Chemical
Geology 291:104–115, doi:10.1016/j.chemgeo.2011.10.001. Liu, Y., Wang, R., Leavitt, S.W., Song, H., Linderhlom,
H.W., Li, Q., and An, Z., 2012.
Individual and pooled tree-ring stable-carbon isotope series in
Chinese pine from the Nan Wutai region, China: Common signal and climate
relationships. Chemical Geology 330-331:17-26. Linderholm, H.W., Liu, Y., Leavitt, S.W., and Liang, E.,
2012. Dendrochronology in Asia. Guest
Editorial. Quaternary International 330-331:1-2. 2013 An,
W., Liu, X., Leavitt, S.W., Ren, J.,
Xu, G., Zeng, X., Wang, W., Qin, D., and Ren, J., 2013. Relative humidity history and coherence
between tree-ring δ18O and δD on the Batang - Litang
Plateau, western China, since AD 1755. Climate Dynamics DOI
10.1007/s00382-013-1937-z, published online 17 Sept. 2013. Csank,
A.Z., Fortier, D., and Leavitt, S.W.,
2013. Annually resolved temperature reconstructions from a late
Pliocene-early Pleistocene polar forest on Bylot Island. Palaeogeography, Palaeoclimatology,
Palaeoecology 369:313–322. Grachev
A.M., Vaganov E.A., Leavitt S.W.,
Panyushkina I.P., Chebykin E.P., Shishov V.V., Zhuchenko N.A., Knorre A.A.,
Hughes M.K., Naurzbaev M.M., 2013. Methodology for development of a 600-year
tree-ring multi-element record for larch from the Taymir Peninsula, Russia. Journal
of Siberian Federal University Biology 6(1):61-72. Griffin, D.,
Woodhouse, C.A., Meko, D.M., Stahle,
D.W., Faulstich, H.L., Carrillo, C., Touchan, R., Castro, C.L., Leavitt, S.W., 2013. North American monsoon
precipitation reconstructed from tree-ring latewood. Geophysical Research Letters 40(5):954–958, DOI:
10.1002/grl.50184. Hultine,
K.R., Dudley, T.L., and Leavitt, S.W.,
2013. Herbivory-induced mortality increases with radial growth in an invasive
riparian phreatophyte. Annals of
Botany 11(6):1197-206, doi: 10.1093/aob/mct077. Liu,
X., Zeng, X., Leavitt, S.W., Wang,
W., An, W., Xu, G., Sun, W., Wang, Y., Qin, D., and Ren, J., 2013. A 400-year
tree-ring δ18O chronology for the southeastern
Tibetan Plateau: Implications for inferring variations of the regional
hydroclimate. Global and Planetary Change 104:23–33. Meko,
D.M., Touchan, R., Villanueva Díaz,
J., Griffin, D., Woodhouse, C.A., Castro, C.L., Carillo, C. and Leavitt, S.W., 2013. Sierra San Pedro
Mártir, Baja California, cool-season precipitation reconstructed from
earlywood width of Abies concolor
tree rings. Journal of Geophysical Research. 118(4):1660–1673, DOI:
10.1002/2013JG002408. Panyushkina,
I.P. and Leavitt, S.W., 2013. Ancient boreal forests under the environmental
instability of the glacial to post-glacial transition in the Great Lakes
region (14,000-11,000 years BP). Canadian J. of Forest Research
43:1032–1039 dx.doi.org/10.1139/cjfr-2012-0339. 2014 Liu, X., An, W., Leavitt, S.W., Wang, W., Xu, G., Zeng, X., and Qin, D., 2014.
Recent strengthening of correlations between tree-ring δ13C
and δ18O in mesic western China: Implications to climatic
reconstruction and physiological responses.
Global and Planetary Change 113:23–33 Liu, Y., Wang, Y., Li, Q., Song, H., Linderhlom,
H.W., Leavitt. S.W., Wang, R., An,
Z., 2014. Tree-ring stable carbon isotope-based May-July temperature
reconstruction over Nanwutai, China, for the past century and its record of
20th century warming. Quaternary Science Reviews, JQSR-D-13-00339.
Accepted 26 March 2014. Jull, A.J.T., Panyushkina, I.P., Lange, T.E.,
Kukarskih, V.V., Myglan, V.S., Clark, K.J., Salzer, M.W., Burr, G.S., and Leavitt. S.W., 2014. Excursions in the 14C record at
AD 774-775 in tree rings from Russia and America. Geophysical Research
Letters doi: 10.1002/2014GL059874. Jull, A.J.T., Leavitt.
S.W., 2014. Editors’ note. Radiocarbon
56(4):V. 2015 Voelker, S.L., Stambaugh, M.C., Guyette, R.P., Feng,
X., Grimley, D.A., Leavitt, S.W.,
Panyushkina, I., Grimm.E., Jeremiah P. Marsicek, J.P., Shuman, B., Curry, B.,
2015. Deglacial hydroclimate for midcontinental North America. Quaternary
Research 83: 336-344 http://dx.doi.org/10.1016/j.yqres.2015.01.001. Panyushkina, I.P. and Leavitt, S.W., 2015. Tree-ring
investigation of Holocene flood-deposited wood from the Oneida Lake
watershed, New York State. Tree-Ring Research 71(2):83-94. Liu, Y., Wang, Y., Li, Q., Song, H., Linderhlom,
H.W., Leavitt. S.W., Wang, R., An,
Z., 2015. Corrigendum to "Tree-ring stable carbon isotope-based May-July
temperature reconstruction over Nanwutai, China, for the past century and its
record of 20th century warming" [Quat. Sci. Rev. 93 (2014) 67-76] doi:
10.1016/j.quascirev.2014.03.023. Quaternary Science Reviews 117:164 2016 Voelker, S.L., Brooks, J.R., Meinzer, F.C.,
Anderson, R., Bader, M.K.-F., Battipaglia, G., Becklin, K.M., Beerling, D.,
Bert, D., Betancourt, J.L., Dawson, T.E., Domec, J.C., Guyette, R.P., Körner,
C., Leavitt, S.W., Linder, S.,
Marshall, J.D., Mildner, M., Ogée J., Panyushkina, I., Plumpton, H.J.,
Pregitzer, K.S., Saurer, M., Smith, A.R., Siegwolf, R.T.W., Stambaugh, M.C.,
Talhelm, A.F., Tardif, J.C., Van de Water, P.K., Ward, J.K., Wingate, L.,
2016. A dynamic leaf gas-exchange strategy is conserved in woody plants under
changing ambient CO2: evidence from carbon isotope discrimination in paleo
and CO2 enrichment studies.
Global Change Biology 22(2):889-902. doi: 10.1111/gcb.13102. Gleadow, R.M., Ottman, M.J., Kimball, B.A., Wall,
G.W., Pinter, Jr., P.J., LaMorte, R.L., and Leavitt, S.W., 2016.
Drought-induced changes in nitrogen partitioning between cyanide and
nitrate in leaves and stems of sorghum grown at elevated CO2 are
age dependent. Field Crops Research 185:97–102. Panyushkina, I. P., Shishov, V. V., Grachev, A. M.,
Knorre, A. A., Kirdyanov, A. V., Leavitt,
S. W., Vaganov, E. A., Chebykin, E. P., Zhuchenko, N. A., Hughes, M. K.,
2016. Trends in elemental
concentrations of tree rings from the Siberian Arctic. Tree-Ring Research 72(2):67-77. doi:
0.3959/1536-1098-72.02.XX (Supplementary Material PDF) Szejner, P., Wright, W. E., Babst, F., Belmecheri,
S., Trouet, V., Leavitt, S. W.,
Ehleringer, J. R., Monson, R. K., 2016.
Latitudinal gradients in tree-ring stable carbon and oxygen isotopes
reveal differential climate influences of the North American Monsoon System. Journal
of Geophysical Research: Biogeosciences. 121(7):1978-1991. doi: 10.1002/2016JG003460 Hatton, P.-J. F., Chatterjee, S., Filley, T. R.,
Dastmalchi, K., Plante, A. F., Abiven, S., Gao, X., Masiello, C. A., Leavitt, S. W., Nadelhoffer, K. J.,
Stark, R. E., Bird, J. A., 2016. Tree
taxa and pyrolysis temperature interact to control the efficacy of pyrogenic
organic matter formation. Biogeochemistry 130(1-2):103-116. DOI 10.1007/s10533-016-0245-1. 2017 Liu, Y., Cobb, K.M., Song, H., Li, Q., Li, C.Y.,
Nakatsuka, T., An, Z., Zhou, W., Cai, Q., Li, J., Leavitt, S.W., Sun, C., Mei, R.,
Shen, C.-C., Chan, M.-H., Sun, J., Yan, L., Lei, Y., Ma, Y., Li, X., Chen,
D., Linderholm, H.W., 2017. Recent
enhancement of central Pacific El Niño variability relative to last eight
centuries. Nature Communications
8, doi:10.1038/ncomms15386. Johnson, J.E., Hamann, L., Dettman, D.L., Kim-Hak,
D., Leavitt, S.W., Monson, R.K.,
Papuga, S.A., 2017. Performance of induction module-cavity ring-down
spectroscopy (IM-CRDS) for measuring δ18O and δ2H
values of soil, stem, and leaf waters. Rapid Communications in Mass
Spectrometry 31(6):547-560. Kimball, B.A., P.J. Pinter, Jr., R.L. LaMorte, S.W. Leavitt, D.J. Hunsaker, G.W.
Wall, F. Wechsung, G. Wechsung, A.J. Bloom, and J.W. White. 2017. Data from
the Arizona FACE (free-air CO2 enrichment) experiments on wheat at ample and
limiting levels of water and nitrogen. Open Data Journal for Agricultural
Research 3:29-38. Panyushkina I.P., Leavitt S.W., Mode, W.N., 2017. A long Bølling-Allerød tree-ring
record from the U.S. Great Lakes. Tree-Ring Research 73(2). 2018 Kassie, B.T., Kimball, B.A., Jamieson, P.D., Bowden,
J.W. Sayre, K.D., Groot, J.J.R., Pinter, P.P, LaMorte, R.L., Hunsaker, D.J.,
Wall, G.W., Leavitt, S.W., White,
J.W., Asseng, S., 2018. Field experimental data for crop modeling of wheat
growth response to nitrogen fertilizer, elevated CO2, water stress, and high
temperature. Open Data Journal for Agricultural
Research 4:9-15. Liu, S., Li, X., Rossi, S., Wang, L., Li, W., Liang,
E., Leavitt, S.W., 2018. Differences in xylogenesis between dominant
and suppressed trees. American Journal of Botany, 105(5):950-956.
https://doi.org/10.1002/ajb2.1089. Lu, X., Liang, E. Wang, Y., Babst, F., Leavitt, S.
W., Camarero, J. J., 2018. Past the climate optimum: Recruitment is declining
at the world’s highest juniper shrublines on the Tibetan Plateau. Ecology.
https://doi.org/10.1002/ecy.2557. Luczaj, J., Leavitt,
S.W., Csank, A.Z., Panyushkina, I.P., Wright, W.E., 2018. Comment on
“Non-Mineralized Fossil Wood” by George E. Mustoe. Geosciences 8(12):462, https://doi.org/10.3390/geosciences8120462. Sigdel, S.T., Dawadi, B., Camarero, J.J., Liang, E.,
Leavitt, S.W., 2018.
Moisture-limited tree growth for the subtropical Himalayan conifer forest,
western Nepal. Forests: 9(6), 340. https://doi.org/10.3390/f9060340 Szejner, P., Wright, W. E., Belmecheri, S., Meko, D.
M., Leavitt, S. W., Ehleringer, J.
R., & Monson, R. K., 2018. Disentangling seasonal and interannual lags
from inferred patterns of forest water and carbon cycling using tree-ring
stable isotopes. Global Change Biology 218:1-16.
https://doi.org/10.1111/gcb.14395 Webber, H., White, J.W., Kimball, B.A., Ewert, F.,
Asseng, S., Rezaei, E., Pinter Jr., P.J., Hatfield, J., Reynolds, M.,
Ababaei, B., Bindi, M., Doltra, J., Ferrise, R., Kage, H., Kassie, B.,
Kersebaum, K.-C., Luig, A., Olesen, J.E., Semenov, M.A., Stratonovitch, P.,
Ratjen, A., LaMorte, R.L., Leavitt,
S.W., Hunsaker, D.J., Wall, G.W., Martre, P., 2018. Physical
robustness of canopy temperature models for crop heat stress simulation across
environments and production conditions. Field Crops Research 216:75-88. 2019 Leavitt,
S.W.,
Hughes, M.K., Cook, E.R, 2019. IN
MEMORIAM— Harold C. Fritts, Tree-Ring Research 75(2):167-169. Lu, X., Liang, E. Wang, Y., Babst, F., Leavitt, S.W., Camarero, J.J., 2019.
Past the climate optimum: Recruitment is declining at the world’s highest juniper
shrublines in the Tibetan Plateau. Bulletin of the Ecological Society of
America 100(1):e01497.
https://doi.org/10.1002/bes2.1497. Liu, Y., Cai, W., Sun, C., Song, H., Cobb, K. M.,
Li, J., Leavitt, S.W., Wu, L., Cai, Q., Liu, R., Ng, B., Cherubini, P.,
Büntgen, U., Song, Y., Wang, G., Lei, Y., Yan, L., Li, Q., Ma, Y., Fang, C.,
Sun, J., Li, X., Chen, D., Linderholm, H.W., 2019. Anthropogenic aerosols
cause recent pronounced weakening of Asian Summer Monsoon relative to last
four centuries. Geophysical Research
Letters 46(10): 5469-5479, https://doi.org/10.1029/2019GL082497 PAPERS
PRESENTED AT SCIENTIFIC MEETINGS SINCE 1990- Leavitt,
S.W., 1990. The Great Lakes forest
fires of October 8-10, 1871. American
Geophysical Union Chapman Conference on Global Biomass Burning, March 19-23,
Williamsburg, Virginia. Leavitt,
S.W., 1990. Isotopes and trace elements
in tree rings. Conference on
"Tree Rings and Environment", September 3-9, Ystad, Sweden.
(keynote talk) Leavitt,
S.W., 1990. Stable-carbon isotope time
series from tree rings of Two Creeks wood (ca. 11,800 yr BP). Conference on "Tree Rings and Environment",
September 3-9, Ystad, Sweden. Leavitt,
S.W. and Danzer, S.R., 1991. δ13C variations
in C3 plants over the past 50,000 years. 14th International Radiocarbon Conference,
May 10-14, Tucson, Arizona. 1991 Leavitt,
S.W. and Kalin, R.M., 1991. A new
tree-ring width, δ13C and 14C investigation
of the Two Creeks type locality. 14th
International Radiocarbon Conference, May 10-14, Tucson, Arizona. Leavitt,
S.W., 1991. Environmental information
from 13C/12C ratios of wood. American Geophysical Union Chapman
Conference on Continental Isotopic Indicators of Climate, June 10-14, Jackson
Hole, Wyoming. Betancourt,
J.L., Swetnam, T.W., Leavitt, S.W. and Cayan, D.R., 1991. Global survey of large historic wildfires:
their climatologies and contributions to biomass burning. 10th International Symposium on
Environmental Biogeochemistry, August 18-25, San Francisco, California. Van
de Water, P.K., Leavitt, S.W., and Betancourt, J.L., 1991. Ecophysiological responses to CO2
enrichment during deglaciation: stomatal densities and 13C/12C
from leaves in packrat middens.
Geological Society of America, Ann. Mtg., October, San Diego,
California. Leavitt,
S.W., 1991. Wet Medieval Warm Period
reflected in δ13C of
bristlecone pine rings. Workshop on the Medieval Warm Period, November 5-8,
Tucson, Arizona. 1992 Leavitt,
S.W. and Danzer, S.D., 1992. Seasonal δ13C changes in
growth rings of red pine seedlings from in
vivo experiments. 15th Annual
Symposium in Plant Physiology, January 9-11, UC-Riverside, California. 1993 Leavitt,
S.W., Paul, E.A., Kimball, B.A., Hendrey, G.R. and Galadima, A., 1993.
Isotopic composition of soils and respired CO2 from free-air CO2
enrichment (FACE) experiments.
Workshop on Belowground Responses to Rising CO2:
Implications for Plants, Soil Biota and Ecosystem Processes, May 29-June 4,
University of Michigan Biological Station, Pellston. Leavitt,
S.W. and Danzer, S.R., 1993. Seasonal δ13Cvariation in
growth rings of trees at three sites in the upper Midwest. Ecological Society of America Annual
Meeting, July 31-August 4, Madison, Wisconsin. 1994 Johnson,
H.B., Kimball, B., and Leavitt, S., 1994.
Carbon isotope assessment of intrinsic water use efficiency of C3
plants in two FACE experiments.
Ecological Society of America Annual Meeting, Knoxville, Tennessee,
August 7-11. Bull. Ecol. Soc. Am. 75:
122-123 (supplement part 2). Leavitt,
S.W., 1994. Shifting 1988-89 Mid-North
American Drought Evidenced in Seasonal δ13C in Tree
Rings. International Conference on Tree Rings, Environment and Society,
Tucson, May 17-21. Leavitt,
S.W., 1994. Estimation of slow and
fast-cycling soil organic carbon pools from 6N HCl hydrolysis. Workshop on Radiocarbon in Soils, Glasgow,
Scotland, August 13. Leavitt,
S.W., Liu, Y., Hughes, M.K., Liu, R., An, Z., Gutierrez, G.M., Danzer, S.R.,
and Shao, X., 1994. A single-year δ13C chronology
from Pinus tabulaeformis (Chinese
pine) tree rings at Huangling, China.
15th Int. Radiocarbon Conference, Glasgow, Scotland, August 15-19. Kalin,
R.M., Leavitt, S.W., Edwards, T., Jull, T., and Jirikowic, J., 1994. Carbon and oxygen isotopic record of the
Two Creeks floating chronology: Rapid
climate change at the beginning of the Allerod. International Conference on Tree Rings,
Environment and Society, Tucson, May 17-21. Pendall,
E., Betancourt, J.L., Leavitt, S.W., and Toolin, L.J., 1994. Pleistocene-Holocene moisture conditions
inferred from H and C stable isotopes in plant matter. American Geophysical Union Fall Meeting,
San Francisco, December 5-9, EOS
(Nov. 1, 1994, supplement): 349 Van
de Water, P.K., Leavitt, S.W., and Betancourt, J.L., 1994. Trends in stomatal
density and 13C/12C ratios of Pinus flexilis needles during the last glacial-interglacial
cycle. Ecological Society of America Annual
Meeting, Knoxville, Tennessee, August 7-11, Bull. Ecol. Soc. Am. 75:
(supplement part 2). 1995 Leavitt,
S.W., Hughes, M.K., Liu, Y., An, Z., 1995.
Stable-carbon isotope tree-ring chronologies from Xian, China.
International Workshop on Asian and Pacific Dendrochronology, Tsukuba, Japan,
March 4-9. Leavitt,
S.W. and Johnson, H.B., 1995. Carbon
isotopes in FACE studies at Maricopa, Arizona: Applications, problems and
comparisons. 2nd European FACE
Workshop, Isle of Vilm, Germany, April 9-13. Leavitt,
S.W., 1995. FACE experiments at
Maricopa. Department of Energy,
Terrestrial Carbon Processes Science Team Meeting, Manhattan, Kansas, July
25-27. Leavitt,
S.W., 1995. Carbon isotopes and carbon turnover in cotton and wheat FACE
experiments. GCTE Foci 1 & 3
Workshop on "Plant-Soil Carbon Below Ground: The Effects of Elevated CO2",
Oxford, England, Sept. 20-23. Pendall,
E. and Leavitt, S., 1995. Seasonal
dynamics of stable isotopes in soil water, pinyon sap, and precipitation
across a climatic transect. American
Geophysical Union Fall Meeting, San Francisco, CA. 1996 Betancourt,
J.L., Rylander, K.A., Whitham, T., Leavitt, S.W., Van de Water, P.K. and
Pedicino, L., 1996. Stand-level variations in δ13C of pinyon
pine leaf cellulose at Sunset Crater, Arizona: Implications for the fossil
record. American Quaternary
Association, Annual Meeting, Flagstaff, AZ, 20-22 May. Van
de Water, P.K., Leavitt, S.W. and Betancourt, J.L., 1996. δ13C variability
in modern Atriplex; Implications for reconstructing δ13C of past
atmospheres. American Quaternary Association, Annual Meeting, Flagstaff, AZ,
20-22 May. Leavitt,
S.W., Farrell, M.R., Davis, O., Edwards, R.L. and Cheng, H., 1996. Age and isotopic variation in a Holocene
layered desert tufa deposit from Picacho Peak, Arizona. American Quaternary Association, Annual
Meeting, Flagstaff, AZ, 20-22 May. Pendall,
E., Betancourt, J. and Leavitt, S.W., 1996.
Do D/H ratios in fossil cellulose reflect temperature variations? American Quaternary Association, Annual
Meeting, Flagstaff, AZ, 20-22 May. Wright,
W.E., Leavitt, S.W. and Long, A., 1996.
Stable-oxygen analysis of Ponderosa pine tree rings as a proxy for
temperature and moisture source in southern Arizona. American Quaternary Association, Annual
Meeting, Flagstaff, AZ, 20-22 May. Pendall,
E.G. and Leavitt, S., 1996. Isotopic
tracers of water movement through the soil-plant-atmosphere continuum. Conference on Stable Isotopes and the
Integration of Biological, Ecological and Geochemical Processes, Newcastle
upon Tyne, UK, 9-11 July. Leavitt,
S.W., Long, A., Wright, W.E., 1996.
Spring and summer water status in Pinus ponderosa from pre- and
post-false latewood δ13C.
Ecological Society of American Annual Meeting, Providence, RI, 10-14
August. Pendall,
E. and Leavitt, S., 1996. Stable
isotopic tracers of water flux through pinyon pines across a climatic
transect. Ecological Society of
American Annual Meeting, Providence, RI, 10-14 August. Leavitt,
S.W., Paul, E.A. and Pendall, E., 1996.
Field variability of carbon isotopes in soil organic carbon. 7th
International Conference on Accelerator Mass Spectrometry, Tucson, AZ, 20-24
May. Leavitt,
S.W., Pendall, E., Brooks, T., Paul, E.A., Kimball, B. and Johnson, H.,
1996. Carbon Isotopes and SOC in 1995‑96
Wheat FACE Experiments at Maricopa, Arizona.
FACE Science Conference, Durham, NC, 17-20 November. Pendall,
E. and Leavitt, S.W., 1996. Soil CO2
dynamics during the 1995-96 FACE wheat experiment. FACE Science Conference, Durham, NC, 17-20
November. Pinter,
P.J., Kimball, B.A., Leavitt, S.W., Wall, G.W., Adamsen, F.J., Hunsaker, D.J.
and LaMorte, R.L., 1996. Interactive
effects of free-air CO2 and soil nitrogen on agronomic and
biophysical characteristics of spring wheat.
American Society of Agronomy Annual Meeting, Indianapolis, IN, 3-8
November. Kimball,
B.A., LaMorte, R.L., Pinter, P.J., Wall, G.W., Leavitt, S.W., Hunsaker, D.J.,
Adamsen, F.J. and Brooks, T.J., 1996.
Free-air CO2 and soil nitrogen effects on energy balance
and evapotranspiration of wheat.
American Society of Agronomy Annual Meeting, Indianapolis, IN, 3-8
November. Brooks,
T.J., Wall, G.W., Kimball, B.A., Pinter, P.J., Kartschall, T., Leavitt, S.W.,
Adamsen, F.J. and LaMorte, R.L., 1996.
Effects of nitrogen stress on canopy photosynthesis, leaf photosynthesis, and canopy greenness for
wheat grown under free-air CO2 enriched conditions. American Society of Agronomy Annual
Meeting, Indianapolis, IN, 3-8 November. Wall,
G.W., Brooks, T.J., Kimball, B.A., LaMorte, R.L., Adamsen, F.J., Pinter, P.J.
and Leavitt, S.W., 1996. Gas exchange
rates of spring wheat leaves grown under free-air CO2 enrichment
and variable soil nitrogen regimes.
American Society of Agronomy Annual Meeting, Indianapolis, IN, 3-8
November. 1997 Leavitt,
S.W., Wright, W.E. and Long, A., 1997.
ENSO signal in δ13C of pre- and
post-false latewood of ponderosa pine tree rings in southeastern
Arizona. 14th Pacific Climate
Workshop, Santa Catalina Island, CA, 6-9 April. Leavitt,
S.W., Pendall, E., Brooks, T., Kimball, B. and Johnson, H., 1997. Carbon isotopes and soil organic carbon in
1995-1996 wheat free-air carbon dioxide enrichment experiments at Maricopa,
Arizona. 7th Annual V.M. Goldschmidt Conference, 2-6 June, Tucson. LPI Contribution No. 921, Lunar and
Planetary Institute, Houston, pp. 123-124. Pendall,
E. and Leavitt, S.W., 1997. El Niño's
winter precipitation recorded in cellulose deuterium/hydrogen ratios. 7th Annual V.M. Goldschmidt Conference, 2-6
June, Tucson. LPI Contribution No.
921, Lunar and Planetary Institute, Houston, pp. 161-162. Pendall,
E., Leavitt, S.W., Brooks, T. and Kimball, B., 1997. Enhanced soil respiration and decomposition
under elevated carbon dioxide. 7th
Annual V.M. Goldschmidt Conference, 2-6 June, Tucson. LPI Contribution No. 921, Lunar and
Planetary Institute, Houston, p. 162. Wright,
W.E., Leavitt, S.W. and Long, A., 1997.
Intra-annual measurements of δ18O
compared with δ13C in tree cellulose:
A unique record reflecting either physiological responses or challenging
fundamental assumptions. 7th Annual
V.M. Goldschmidt Conference, 2-6 June, Tucson. LPI Contribution No. 921, Lunar and
Planetary Institute, Houston, pp. 221-222. Pendall,
E. and Leavitt, S.W., 1997. El Niño's
winter precipitation recorded in cellulose D/H. 82nd Annual Meeting of the Ecological
Society of America, 10-14 August. Albuquerque. Wright,
W.E., Leavitt, S.W. and Long, A., 1997.
Stable-oxygen analysis of ponderosa pine tree rings: A proxy for
temperature and moisture source or for relative humidity and
transpirations? 82nd Annual Meeting of
the Ecological Society of America, 10-14 August, Albuquerque. Leavitt,
S.W., Drake, B.G., Matamala, R. and Hungate, B., 1997. Stable-carbon isotope tracing of carbon
input to soils of wetland communities under CO2 enrichment. 82nd Annual Meeting of the Ecological
Society of America, 10-14 August. Albuquerque. Pedicino,
L.C., Betancourt, J.L., Leavitt, S.W., Van de Water, P.K., 1997. Leaf δ13C responses
of seven southwestern plant species to climate and CO2 enrichment
during the last 100 years. 82nd Annual
Meeting of the Ecological Society of America, 10-14 August. Albuquerque. Van
de Water, P.K., Leavitt, S.W. and Betancourt, J.B., 1997. Inter- and intra-plant variability of
carbon isotopes and the packrat midden record. 82nd Annual Meeting of the Ecological
Society of America, 10-14 August. Albuquerque. 1998 Leavitt,
S.W., Wright, W.E. and Long, A., 1998. Evidence for ENSO in tree-ring δ13C along a 500-km transect in southern Arizona and
New Mexico. 15th Pacific Climate Workshop, Santa Catalina Island, CA, 27-29
April. Wright,
W.E., Leavitt, S.W. and Long, A., 1998.
ENSO Teleconnections: SOI/NINO3,4 SST correlations with southeastern
Arizona climate, δ18O in precipitation, and δ13C in tree
cellulose. 15th Pacific Climate Workshop, Santa Catalina Island, CA, 27-29
April. 1999 Brooks,
T.J., Wall, G.W., Pinter, P.J. Jr., Kimball, B.A., Triggs, J.M., Adam, N.A., Leavitt, S.W., LaMorte, 1999. Effects of free-air CO2 enrichment on
sorghum canopy photosynthesis and architecture. Western Photosynthesis Conference, Asilomar
Conference Center, Pacific Grove, CA, 7-10 Jan. Matthias,
A.D., Leavitt, S.W., Thompson,
T.L., Kimball, B.A., Pinter Jr., P.J., Wall, G.W., Rauschkolb, R.S., Ottman,
R.L., Roth, R.L., Brooks, T.J., Adam, N.R., LaMorte, R.L., Wechsung, G.,
Wechsung, F., Adamsen, F.J., Williams, D.G., Nakayama, F.S., Hunsaker, D.J.,
Watson, J., White, S.A., and Welzmiller, J., 1999. Free-air CO2 enrichment effects
on wheat and sorghum at Maricopa, Arizona, USA. International Symposium on Carbon Dioxide
and Vegetation - Advanced International Approaches for Absorption of Carbon
Dioxide and Responses to Carbon Dioxide. National Institute of Environmental
Sciences in Tsukuba, Ibaraki, Japan. March 18. Ottman,
M.J., Pinter, P.J., Kimball, B.A., Vanderlip, R.L., Wall, G.W., Leavitt, S.W., LaMorte, R.L.,
Waichulatis, S., 1999. Elevated CO2
effects on sorghum growth and yield.
American Society of Agronomy 91st Annual Meeting, 31 Oct.-4 Nov., Salt
Lake City. Leavitt, S.W., Cheng, L., Brooks, T.,
Matthias, A.D., Williams, D.G., Thompson, T., Kimball, B., Pinter, P.,
1999. Elevated CO2 and
limited water supply effects on carbon processes and sequestration in a C4
grass (sorghum) ecosystem- Soil carbon. American Society of Agronomy 91st
Annual Meeting, 31 Oct.-4 Nov., Salt Lake City. Hemming,
D.L., Fritts, H.C., Leavitt, S.W.,
Wright, W.E. and Long, A., 1999.
Modelling tree ring δ13C. American Geophysical Union Fall Meeting,
13-17 December, San Francisco. Wright,
W.E., Long, A., Comrie, A.C., Cavazos, T. and Leavitt, S.W., 1999. The
North American Monsoon: Eastern Pacific atmospheric circulation, seas surface
temperature, and δ18O in terrestrial
precipitation. American Geophysical
Union Fall Meeting, 13-17 December, San Francisco. Brooks,
T.J., Wall., G.W., Pinter, P.J., Kimball, B.A., Triggs, J.M., Adam, N.A., Leavitt, S.W. and LaMorte, R.L.,
1999. Effects of free-air CO2
enrichment on sorghum canopy photosynthesis and architecture. 8th Western
Photosynthesis Conference, 7-10 January, Pacific Grove, CA. 2000 Hemming,
D., Fritts, H.C., Leavitt, S.W.,
Wright, W.E., Long, A. and Shashkin, A., 2000.Incorporating stable isotopes
in the 'TreeRing 2000' model of tree-ring formation. International Conference on
Dendrochronology for the Third Millenium, 2-7 April, Mendoza, Argentina.
(proceedings abstracts, p. 62) Leavitt, S.W., 2000. Seasonal response of δ13C in Pinus resinosa ait. Seedling growth
rings to changing environments in controlled growth experiments.
International Conference on Dendrochronology for the Third Millenium, 2-7
April, Mendoza, Argentina. (proceedings abstracts, p. 65) Leavitt, S.W., Wright, W.E. and Long, A.,
2000. Seasonal δ13C variability in ponderosa pine
tree rings in southern Arizona and New Mexico. International Conference on
Dendrochronology for the Third Millenium, 2-7 April, Mendoza, Argentina.
(proceedings abstracts, p. 64) Leavitt, S.W., Wright, W.E. and Long, A.,
2000. Seasonal water status in carbon-13/carbon-12 ratios of ponderosa pine
tree rings from S. Arizona and New Mexico. AGU Fall Meeting, 15-19 December
2000, San Francisco, CA. (Eos, Transactions of the American Geophysical
Union, v. 80, n. 48, p. F460 (abstr.) Leavitt, S.W., Wright, W.E., Long, A. and
Fritts, H.C., 2000. A century-length δ13C chronology
from southeastern Arizona. 17th Pacific Climate Workshop, Santa Catalina
Island, CA, 22-25 May. Wright,
W.E., Leavitt, S.W. and Long, A.,
2000. Can stable oxygen isotopes in precipitation and post-false latewood
tree-ring cellulose indicate inter-annual changes in North American monsoonal
circulation? International Conference
on Dendrochronology for the Third Millenium, 2-7 April, Mendoza, Argentina.
(proceedings abstracts, p. 74) 2001 Wright, W.E., Long, A., Comrie,
A.C., Leavitt, S.W., Cavazos, T.,
Eastoe, C. 2001. North American Monsoonal Moisture Sources
and Climatic Teleconnections Revealed Using Precipitation Stable Isotope Timeseries.
12th Symposium on Global Change Studies and Climate Variations, Session 9:
North American Monsoon. 13-18 January,
Albuquerque, NM. Leavitt, S.W., Betancourt, J., Pendall, E.,
Van de Water, P.K., Pedicino, L., Terwilliger, V., 2001. Multifaceted studies of isotopic
variability in leaves and wood of southwestern pinyon and juniper.
Biocomplexity in Pinyon-Juniper Woodlands, Northern Arizona University,
Flagstaff, 29-31 January. Hemming, D., Fritts, H., Leavitt, S., Wright, W., Shashkin, Long, A., 2001. A process model of tree-ring δ13C,
δ18O and δD applied to 20th Century ponderosa
pine growth in southern Arizona. 18th
Pacific Climate Workshop, Asilomar Conference Center, Pacific Grove, CA,
18-21 March. Leavitt, S.W., Wright, W.E. and Long, A.,
2001. Stable isotopes, tree rings and the southwestern Monsoon. 18th Pacific
Climate Workshop, Asilomar Conference Center, Pacific Grove, CA, 18-21 March. Leavitt, S.W., 2001. The carbon isotope composition of soil:
Insight from the Maricopa FACE experiments. FACE Isotope Tracer Workshop,
Duke University, N.C., 18-21 October. Kimball,
B.A., Triggs, J.M., Pinter, P.J. Jr., Wall, G.W., Ottman, M.J., Leavitt, S.W., Matthias, A.D., and
Brooks, T.J., 2001. Free-air CO2
enrichment of sorghum: Energy balance and evapotranspiration. ASA Annual Meeting, Charlotte, NC, October. Wright, W.E., Leavitt, S.W., 2001. The potential of
tree-ring δ18O as a proxy for mean northward
moisture transport during and immediately following the North American
Monsoon. NOAA 26th Annual Climate Diagnostics and Prediction Workshop,
Scripps Institution of Oceanography, La Jolla, California, 22-26 October. Leavitt, S.W., 2001. Carbon isotopes as an indicator of plant
water-use efficiency. First International Agave-Tequila Symposium, Irapuato,
Mexico, 12-17 November. Leavitt, S.W., 2001. Isotopes as indicators of product source
and authenticity. First International Agave-Tequila Symposium, Irapuato,
Mexico, 12-17 November. Lin,
G., Ellsworth, D.S., Kubiske, M., Leavitt,
S.W., Smith, S.D., van Kessel, C., Pendall, E., Siegwolf, R., van
Caemmerer, S., 2001. Effects of
atmospheric [CO2] on carbon isotope fractionation and
time-integrated Ci/Ca ratios in C3 plants: A synthesis. History of Atmospheric CO2 and
the Impacts on Plants, Animals and Ecosystems- An Open Symposium, Snowbird,
Utah, 6-8 December. 2002 Cheng,
L., Leavitt, S.W., Brooks, T. J.,
Matthias, A.D., Williams, D.G., Thompson, T.L., Kimball, B.A., Wall, G.W.,
Pinter Jr., P.J., 2002. Seasonal soil respiration and soil CO2
under elevated CO2 in a C4-sorghum agroecosystem. Ecological Society of America Annual
Meeting, 4-9 August, Tucson. Leavitt,
S.W.,
2002. Moisture availability and water-use efficiency in δ13C
of pine tree rings of the U.S. Southwest.
6th International Conference on Dendrochronology, Quebec
City, Canada, 22-27 August. Leavitt, S.W., Wright,W.E., Hemming, D., Long, A.,
2002. Micro-variation
of δ13C in tree rings of ponderosa pine
from S. Arizona. Ecological Society of America Annual Meeting, 4-9
August, Tucson. Wright,W.E., Leavitt,
S.W.,
2002. δ18O Variation in Pinus
ponderosa needle subdivisions from two growing seasons. Ecological Society of America Annual
Meeting, 4-9 August, Tucson. Wright,W.E., Leavitt, S.W., 2002.
Specific humidity reconstruction in the semi-arid southwestern United States
using cellulose oxygen isotope ratios.
6th International Conference on Dendrochronology, Quebec
City, Canada, 22-27 August. Morris, S.J., Leavitt, S.W., Gregorich, E.G., and
Paul, E.A., 2002. Role of resistant fractions in soil C
sequestration. Ecological Society of America Annual
Meeting, 4-9 August, Tucson. Panyushkina,
I.P., Leavitt, S.W. and Noggle,
S., 2002. A tree-ring study of wood of
possible Younger Dryas age from central Illinois. 6th International
Conference on Dendrochronology, Quebec City, Canada, 22-27 August. Leavitt, S.W., Panyushkina, I.P., Noggle, S.
and Wiedenhoeft, A., 2002. A tree-ring
study of wood of possible Younger Dryas age from central Illinois. Geological Society of America
Annual Meeting, Denver, CO, 27-30 October. Robertson,
I., Loader, N.J., McCarroll, D., Carter, A.H.C., Cheng, L. and Leavitt, S.W., 2002. δ13C of tree-ring lignin as
an indirect measure of climate change.
BIOGEOMON 4th
Int. Symp. on Ecosystem Behavior, University of Reading, UK, 17-22 August. Ballantyne, A.P., Baker, P.A.,
Jackson, R., Silman, M., Evans, M. and Leavitt,
S.W., 2002. Oxygen isotopes and ring widths in the tropical tree species Polylepis tarapacana as proxies of
past precipitation in the tropical Andes of South America. American Geophysical Union Annual Meeting,
San Francisco, CA, 9-13 December, Eos Trans. AGU, 83(47),
Fall Meet. Suppl., Abstract PP51B-11. Follett, R.F., Kimble, J.M., Leavitt, S.W. and Preussner, E.G.,
2002. The potential use of soil-C isotope analyses to evaluate paleoclimate.
American Geophysical Union Annual Meeting, San Francisco, CA, 9-13 December, Eos Trans.
AGU, 83(47),
Fall Meet. Suppl., Abstract B52A-0731. Kimball, B.A., Triggs, J.M.,
Pinter, P.J. Jr., Wall, G.W., Ottman, M.J., Leavitt, S.W., Matthias, A.D. and Brooks, T.J., 2002. Free-air CO2 enrichment of sorghum: Energy
balance and evapotranspiration. ASA-CSSA-SSSA Annual Meeting, Indianapolis,
Indiana, 10-14 November. 2003 Cheng, L., Martens, D., Leavitt, S.W., Kimball, B.A., Matthias, A.D., Ottman, M.J., Williams, D.G., Wall, G.W. and Pinter, P.J., Jr., 2003. Free Air-CO2 Enrichment (FACE) of C4-Sorghum: Biochemical Composition and Decomposition of Sorghum Tissues Grown Under Elevated CO2. ASA-CSSA-SSSA Annual Meeting, Denver, Colorado, 2-6 November. Follett,
R. F., Leavitt, S. W., Kimble, J. M., and Pruessner, Elizabeth G.,
2003. Paleoenvironmental
inferences from δ13C of soil organic carbon in 14C-dated
profiles in the U.S. Great Plains. XVI
INQUA Congress, Reno, NV, 23-30 July. Panyushkina,
I.P. and Leavitt, S.W., 2003. Tree-ring investigation of the Younger Dryas in the U.S.
upper Midwest. XVI INQUA Congress, Reno, NV, 23-30 July. Pinter, P.J. Jr., Kimball, B. A., LaMorte, R. L., Rokey, R. R., Maneely, S. M., Wall, G. W., Leavitt, S. W., Ottman, M. J., 2003. Will rising levels of atmospheric CO2 affect NDVI predictions of APAR? ASA-CSSA-SSSA Annual Meeting, Denver, Colorado, 2-6 November. Leavitt, S. and
Panyushkina, I., 2003. Tree-ring
records of near-Younger Dryas time in the U.S. Upper Midwest. 18th International Radiocarbon
Conference, Wellington, New Zealand, 1-5 September 2003. Leavitt, S.,
Follett, R., Kimble, J. and Pruessner, E., 2003. Paleoenvironmental
inferences from δ13C of soil organic carbon in 14C-dated
profiles in the U.S. Great Plains. 18th
International Radiocarbon Conference, Wellington, New Zealand, 1-5 September
2003. Leavitt, S.W., 2003. Stable-carbon isotope inferences from the Maricopa FACE Experiments. ASA-CSSA-SSSA Annual Meeting, Denver, Colorado, 2-6 November. Li,
Z.-H., Leavitt, S.W., Mora, C. I.
and Liu, R.-M., 2003. Evidence that earlywood-latewood size
and isotope differences can influence long-term tree-ring δ13C trends.
Geological Society of America Annual Meeting, Seattle, WA, 2-5 November. 2004 Leavitt,
S.W.,
“Tracing a δ13C Pulse from Canopy to Growth Rings of a
Ponderosa Pine Tree near Tucson, Arizona”, Mini-Workshop on Pine Trees,
Weizmann Institute, Israel, 14March. Benz, B.F., Leavitt, S.W., Eastoe, C., and Cheng, L., 2004. Prehistoric Maize
Evolution in Mexico. Society for American Archaeology 69th Annual Meeting, Montreal, Québec, 31
March-4 April 2004. Leavitt, S.W., 2004.
Tree-Ring Isotope Rhythms: Climate and Dating from the Bands. AAAS Pacific
Division, 85th Annual
Meeting, Utah State University, Logan, 13–17 June 2004,
Symposium on “Lords of the Rings: Dendrochronology Yesterday, Today, and Tomorrow”. Panyushkina,
I.P. and Leavitt, S.W., 2004.
High-resolution records of the Pleistocene-Holocene transition from tree
rings in central North America. American Quaternary Association Biennial
Meeting, Lawrence, Kansas, 26-28 June 2004. Leavitt, S.W., 2004.
Stable-carbon
isotopes in tree rings and the prospect that trees are increasing water-use
efficiency world-wide. Tree Rings and
Climate: Sharpening the Focus, Tucson, Arizona, 6–9 April 2004 Van de
Water, P. K.,
Betancourt, J.L., and Leavitt, S.W.,
2004. Distribution patterns and carbon
acquisition physiology of the C4 shrubs Atriplex
spp. in the southwestern USA across the last glacial-interglacial cycle. Geological
Society of America Ann. Meeting, Denver, CO, 2-7 November 2004. Leavitt, S.W.,
Panyushkina, I.P., and Lange, T.E., 2004. Late Pleistocene-Early Holocene forests
from the Great Lakes Region, USA: Preliminary radiocarbon and stable-isotope
results. Geological Society of America
Ann. Meeting, Denver, CO, 2-7 November 2004. Cheng, L., Leavitt, S.W., Kimball, B.A., Pinter Jr., P.J., Ottman, M.J.,
Matthias, A.D., Wall, G.W., Brooks, T. J., Williams, D.G., Thompson, T.L.,
2004. Dynamics of labile and recalcitrant soil carbon pools in
a sorghum Free-Air CO2 Enrichment (FACE) agroecosystem. EOS Trans. AGU, 85(47), Fall Meeting Supplement, Abstract B13C-0242. 2005 Williams, P., Still, C., Fischer,
D., Leavitt, S., 2005. Fog and Vegetation on the
California Channel Islands: A Tree Ring and Satellite Analysis,
AGU Fall Meeting (5-9 Dec.), Eos Trans. AGU, 86(52),
Fall Meet. Suppl., Abstract B11A-1009. Leavitt, S.W., 2005. Regional Expression of the 1988
U.S. Midwest Drought in Seasonal Stable-Carbon Isotope Patterns of Tree
Rings, Eos Trans. AGU,
AGU Fall Meeting (5-9 Dec.), 86(52), Fall Meet. Suppl., Abstract H33B-1385 Panyushkina, I.P., Leavitt, S.W., Lange, T., Schneider,
A.F., 2005, Tree-Ring Investigation of an in situ Younger Dryas-Age Spruce Forest
in the Great Lakes Region of N. America, AGU
Fall Meeting (5-9 Dec.), Eos Trans. AGU, 86(52), Fall
Meet. Suppl., Abstract PP13A-1484. Harold C. Fritts, Alex V. Shashkin, Debbie L.
Hemming, Steven W. Leavitt,William
Edward Wright, Geoff Downes, 2005 “Advances in process-based modelling of the
softwood cambium” IUFRO, "Connection between Forest
Resources and Wood Quality : Modelling Approaches and Simulation
software", Waiheke Island Resort, New Zealand, November 20-27, 2005. 2006 Panyushkina,
I.P., Leavitt, S.W., 2006. Late
Glacial-Early Holocene Climate Variability in the Great Lakes Region from Tree
Rings. AMQUA Program and Abstracts, 19th Biennial Meeting, Bozeman, Montana,
August 17-20, 2006, p. 137. Leavitt, S.W., 2006. Recent Advances and Progress
in Stable Isotope Dendrochronology. 7th
International Conference on Dendrochronology, Beijing, China, 11-17 June
2006. Leavitt,
S.W., Isotopic
Pooling vs. Separate Analysis with Averaging: The Fallacy of a Significant
Difference. 7th
International Conference on Dendrochronology, Beijing, China, 11-17 June
2006. Tardif,
J.C., Conciatori, F. and Leavitt, S.W., 2006. Ring width, δ13C and climate in Picea glauca
growing near Churchill, subarctic Manitoba and north central Canada. 7th
International Conference on Dendrochronology, Beijing, China, 11-17 June
2006. Wright,
W.E. and Leavitt, S.W., 2006. Boundary
layer humidity reconstructed from δ18O in summer wood of Pinus arizonica from the United States
Southwest. 7th International Conference on Dendrochronology,
Beijing, China, 11-17 June 2006. Leavitt,
S.W.,
Panyushkina, I.P. and Lange, T. 2006. Radiocarbon “Wiggles” in Great Lakes
Wood ca.10,000 to
12,000 BP. 19th
International Radiocarbon Conference, 3-7 April 2006. Leavitt, S.W., 2006.
Tree Rings and Water. EPRECOT (Effects of Precipitation Change On Terrestrial
ecosystems) Workshop, Elsinore, Denmark, 22-25 May 2006. Billings, S., Haavik, L., Stephen, F., Fierke, M.,
Salisbury, V., Leavitt, S.,
2006. Dendrochronological parameters of
northern red oak (Quercus rubra
Fagaceae) subjected to a major forest disturbance (red oak borer, Enapholodes rufulus). International Union of Forest Researchers’
Organization. Canopy Processes
traveling meeting in northeastern United States, October 2006. Williams, A.P., Still, C.J., Fischer, D.T., Leavitt, S.W., 2006. Teasing Foggy
Memories out of Pines on the California Channel Islands Using Tree-Ring Width
and Stable Isotope Approaches. AGU Fall Meeting (11-15 Dec.) Eos Trans. AGU,
87(52), Fall Meet. Suppl., Abstract B23C-1 2007 Leavitt, S.W., 2007.
Current Approaches for Sampling-What is important and desirable for future
advances. ESF Stable Isotopes in
Biospheric-Atmospheric Exchange (SIBAE) Program Workshop on Stable Isotopes
in Dendroclimatology Current Status and Future Prospects, Potsdam, Germany,
12-16 Feb. 2007. Williams, A.P., Still, C.J., Fischer, D.T. Leavitt, S.W., 2007. Tree rings indicate summertime stratus clouds as important sources of pre-dawn and afternoon shade for coastal vegetation in California. PACLIM, Pacific Grove, California, 13-16 May 2007. Williams, A.P., Still, C.J., Fischer, D.T. Leavitt, S.W., 2007. Using
tree-ring width data from 1000 sites to predict how American forests will
respond to climate change, AGU Meeting Dec. 10-14, 2007, San Francisco. Leavitt, S.W., 2008. Current advances in tree-ring isotope
dendrochronology and reconstruction of climatic conditions in recent
centuries. Geol. Assoc. Canada Annual
Meeting, 26-28 May 2008. SY4: Recent
advances in isotopic reconstruction of climatic changes over the last centuries
- temperature and precipitation series, Quebec City, 26 May 2008. Leavitt,
S.W., 2008. Environment in time and space:
Opportunities from tree-ring isotope networks. Isoscapes2008, April 7 - 10,
2008, Santa Barbara, CA. Williams A.P., Still, C.J., Fischer,
D.T. Leavitt, S.W., 2008. The influence of summertime fog and
overcast clouds on the growth of a coastal Californian pine: a tree-ring
study. The 7th California Islands Symposium, Feb. 5-7, 2008,
Oxnard, CA. Csank, A.Z., Leavitt, S.W., Woodhouse, C., Bauer, B., 2008. The ITRIDB a
proposed new international database for tree-ring isotopic data. AmeriDendro 2008, 23-27 June 2008,
Vancouver, British Columbia. 2009 Leavitt,
S.W., Panyushkina, Irina
P., Schneider, Allan F., 2009. Ancient wood in the Great Lakes region: A
significant paleoenvironment and paleoecology resource. North-Central
Section, GSA 42nd Annual Meeting, 2-3 April 2009, Rockford, IL, GSA Abstracts
with Programs Vol. 41, No. 4. Mode, W. N., Edwards, C. J., Gertz, H. M.,
Hooyer, T. S., Panyushkina, I. P., Leavitt,
S. W., Williams, J. W., Santiago, A., Gill, J., 2009. Paleoenvironmental
record from a late glacial to early Holocene beaver pond in east-central
Wisconsin. North-Central Section, GSA 42nd Annual Meeting, 2-3 April 2009,
Rockford, IL, GSA Abstracts with Programs Vol. 41, No. 4. Leavitt, S.W., Woodhouse, C.A., Meko, D.M., Touchan, R., 2009. Tree-ring carbon isotopes in the U.S. Southwest: Inference of moisture and monsoon. PACLIM Workshop, April 19-22, 2009, Asilomar Conference Grounds, Pacific Grove, CA. Griffin, D., Meko, D.M., Touchan,R.,
Woodhouse, C.A., Leavitt, S.W.,
Castro, C.L., 2009. Tree rings nd
monsoon season rainfall variability in the Southwestern US: Strategies for
sensitive chronology development. AGU
Fall Meeting (14-18 Dec.) Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract
H53E-0986. Woodhouse,
C.A., Meko, D.M., Touchan, R., Leavitt, S.W., Griffin, D., Castro, C.L.,
Ciancarelli, B., 2009. North American
Monsoon Variability from Instrumental and Tree-Ring Data: A Progress Report. AGU
Fall Meeting (14-18 Dec.) Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract H41K-02. Van de Water,
Peter K., Leavitt, Steven W.,
Jull, A.J.T., Squire, Joe, Testa, Nick, 2009. Tree boles revealed in Pacific Northwest landslide deposits provide
tree-ring record for period prior to deglaciation. GSA National Meeting, Portland, OR, 18-21
October 2009. Ciancarelli, B., Castro, C., Woodhouse, C.,
Meko, D., Touchan, R., Leavitt, S.W.,
Griffin, D., 2009. Use of tree ring
and long-term precipitation records to characterize warm season climate
variability in the Southwest U.S. The
Fifth Symposium on Southwest Hydrometeorology, Albuquerque, NM, Sept. 30-
Oct. 1, 2009. 2010 A. A. Knorre, A. V. Kirdyanov, M. Saurer,
R. T. Siegwolf, M. V. Bryukhanova, A. M. Grachev, E. P. Chebykin, E. L.
Goldberg, I. P. Panyushkina, S. W.
Leavitt, and E. A. Vaganov, 2010. Investigating tree-ring isotopes and trace elements in larch to
determine links with climate in Southern Siberia. Poster 72 in 22nd
Conference on Climate Variability and Change, American Meteorological Society
Annual Meeting, Atlanta, GA, 16-21 January 2010. Griffin, D., Castro, C.L., Ciancarelli, B.,
Leavitt, S.W., Meko, D.M.,
Touchan, R., and C.A. Woodhouse, 2010. Tree rings and North American monsoon
variability in the southwestern United States. Poster at WorldDendro 2010:
The 8th International Conference on Dendrochronology, Rovaniemi, Finland,
June 13-18, 2010. Williams, A.P., Allen, C.D.,
Millar, C.I., Swetnam, T.W., Michaelsen, J., Still, C.J., Leavitt, S.W., 2010. Forest responses to increasing aridity and
warmth in the southwestern United States. 95th Ecological Society
of America Annual Meeting, Pittsburgh, PA, August 1-6, 2010. [Absract COS 33-3] 2011 Panyushkina, I.P., Leavitt, S.W., 2011. Dieback patterns of ancient spruce in the
Great Lakes region between ca. 14,000 and 10,000 cal yr BP. 54th International Conference on Great
Lakes Research (IAGLR), Duluth, Minnesota, May 30-Jun 3, 2011. Leavitt,
S.W.,
Woodhouse, C.A., Touchan, R., Meko, D.M., Griffin, D., Castro, C.L., 2011. U.S. Southwest monsoon precipitation
inferred from tree-ring stable-carbon isotopes. XVIII INQUA Congress, Bern, Switzerland,
20-27 July 2011. Panyushkina, I.P., Leavitt,
S.W., James C. Knox, J.C., Hunter, R.D., Wiedenhoeft, A., 2011. LGM to
Holocene transition in the Great Lakes area: Environmental inferences from
floating tree-ring chronologies. XVIII INQUA Congress, Bern, Switzerland,
20-27 July 2011. Grachev, A.M., Shishov, V.V., Leavitt, S.W., Darikova, J.A.,
Chebykin, E.P,, Zhuchenko N.A., Knorre, A.A., Panyushkina, I.P., Kirdyanov,
A.V., Vaganov E.A., Hughes M.K., 2011. Developing tree-ring chronologies of
microelement concentrations in northern Eurasia. 2nd International Asian Dendrochronological
Conference (Xian, China August 20-23, 2011) [Abstract submitted but no one
went to present] Panyushkina, I.P., Van de Water, P., Jull, A.T., Leavitt, S.W., Squire, J., Testa,
N.R., Wiedenhoeft, A.J., 2011. High-resolution terrestrial MIS3
environment from trees encapsulated in landslide deposits of Oregon, USA. XVIII INQUA Congress, Bern, Switzerland,
20-27 July 2011. Panyushkina, I.P., Leavitt, S.W., 2011. Ancient boreal forest in climatic
disequilibrium: Lessons from distribution and dendrochronology of subfossil
wood in the U.S.A. Great Lakes area 10,000 to 14,000 14C yrs. 15th Scientific Conference of the
International Boreal Forest Research Association (IBFRA), Krasnoyarsk,
Russia, 15-21 August 2011. 2012 Graham, R., Woodhouse, C., Griffin, D., Meko, D.,
Touchan, R., Leavitt, S.W.,
Castro, C., 2012. Reconstruction of winter and July precipitation in the US
Southwest using minimum blue intensity measurements from Pseudotsuga menziesii. AGU
Fall Meeting, 3-7 December 2012, San Francisco. Jull., A.J.T., Panyushkina, I.P., Van de Water, P., Leavitt, S.W., Squire, J., Testa, N.,
Wie, A.J., Armstrong, A.L., Diaz-Gomez, C.I., Leonard, A.G., 2012. High-resolution terrestrial MIS3
environment from trees recovered from landslide deposits in Oregon. 21st International Radiocarbon
Conference, July 9-13, 2012, Paris, France. Panyushkina, I.P., Leavitt, S.W., Schmierer, Jr., J.M., and Wiedenhoeft, A.C.,
2012. Mystery of ancient buried wood
in the Arnheim “Swamp”, Upper Peninsula Michigan, USA. 21st International Radiocarbon
Conference, July 9-13, 2012, Paris, France. Leavitt,
S.W., Panyushkina, I.P., Zawiskie, J.M.,
Wiedenhoeft, A.C., 2012. Wood from the
Shelton Mastodon Site (Michigan): Radiocarbon and tree-ring dating. 21st International Radiocarbon
Conference, July 9-13, 2012, Paris, France. Panyushkina, I.P., and Leavitt,
S.W., 2012. Progress with Ancient
Great Lakes Wood: Radiocarbon and Tree-Ring Analysis. 2012 American
Quaternary Association Conference, June 21-24, 2012, Duluth, Minnesota. 2013 Griffin, D., Woodhouse, C., Meko, D., Stahle, D.,
Faulstich, H., Carrillo, C., Touchan, R., Castro, C., and Leavitt, S., 2013. North American
monsoon precipitation reconstructed from tree-ring latewood. 2nd AmeriDendro Conference,
13-17 May 2013, Tucson, Arizona. Leavitt,
S., Woodhouse, C.,
Griffin, D., Touchan, R., Carrillo, C., Castro, C., and Meko, D., 2013.
Monsoon rainfall from annual δ13C chronologies of Pseudotsuga menziesii and Pinus ponderosa in Southern Arizona,
USA. 2nd AmeriDendro Conference,
13-17 May 2013, Tucson, Arizona. Panyushkina, I., and Leavitt,
S., 2013. Abrupt changes of
moisture variability in the Great Lakes region at ca. 13.7ka, 12ka, 11.5ka
and 8.2ka: A new perspective from
subfossil tree rings. Paleoamerican Odyssey, A Conference Focused on First
Americans Archaeology, 16-19 Oct 2013, Santa Fe, New Mexico. Panyushkina, I., and Leavitt,
S., 2013. Tree-ring perspectives on short-term climate variability during
the transition during Late Pleistocene to Holocene from the Great Lakes
network of buried timbers. 2nd AmeriDendro Conference, 13-17 May
2013, Tucson, Arizona. Wright, W., Leavitt,
S., Woodhouse, C., Monson, R., 2013.
Spatial changes in the seasonal mixing proportions of available soil
moisture in the high elevations of Arizona and New Mexico. 2nd AmeriDendro Conference,
13-17 May 2013, Tucson, Arizona. 2014 Griffin,
D., Woodhouse, C.A, Leavitt, S.W.,
and Graham, R.C., 2014. North American Monsoon climate signal in a
multi-proxy dataset from tree-ring latewood. 2014 AAG Annual Meeting, Tampa, Florida Jull,
T., Panyushkina, I., Lange, T., Chang, C.-C., Myglan, V., Kukarskih, V.,
Burr, G., Leavitt, S., and
Swetnam, T., 2014. Evaluating the
possible size of excursions in the 14C record due to cosmic
events. 9th International
Conference on Dendrochronology (WorldDendro), 13-17 January 2014, Melbourne,
Australia. Csank,
Z., Woodhouse, C.A., Pederson, G., Leavitt,
S.W., and Danloe, J., 2014. Proxy
xool-season temperatures in the Upper-Colorado River headwaters from tree-ring
δ18O. 9th
International Conference on Dendrochronology (WorldDendro), 13-17 January
2014, Melbourne, Australia. Wright,
W.E., Leavitt, S.W., Woodhouse,
C.A., Monson, R.K., and Szejner, P., 2014. Tree-ring isotopes applied to
understanding the North American Monsoon macrosystem. 9th International Conference on
Dendrochronology (WorldDendro), 13-17 January 2014, Melbourne, Australia. *Leavitt, S.W., 2014. Stable isotopes
in tree rings: Background and
applications. Environmental Workshop,
6 January 2014, Universidad Austral de Chile, Valdivia. Leavitt, S.W., and
Panyushkina, I.P., 2014. Radiocarbon
age control of tree-ring chronologies from a network of ancient wood sites in
the U.S. Great Lakes area. 9th
International Conference on Dendrochronology (WorldDendro), 13-17 January
2014, Melbourne, Australia. Liu,
T., Li, Q., Wang, Y., Song, H., Leavitt,
S., Linderholm, H., Wang, R., and An, Z., 2014. The superiority of numerical mix method in tree-ring
stable-carbon isotope based May-July temperature reconstruction over
Nanwutai, China for the past century.
9th International Conference on Dendrochronology
(WorldDendro), 13-17 January 2014, Melbourne, Australia. Panyushkina,
I., Grachev, A., Shishov, V., Kirdynov, A., Chebykin, E., Vaganov, E., Leavitt, S., and Hughes, M.,
2014. Tree-ring evidence of wood
property changes caused by modern acidification of Arctic soils. 9th
International Conference on Dendrochronology (WorldDendro), 13-17 January
2014, Melbourne, Australia. *Leavitt, S.W., 2014. Tree rings and
the tales they tell of drought, floods, fires, and times gone by. Shade Tree Short Course “Respect Your
Elders” (invited) Feb 25-27, 2014, Ames, Iowa. Leavitt, S.W.
(Co-presentation with Irina Panyushkina), 2014. Ancient Environmental Change
from Tree Rings: Paleoenvironment in the American Great Lakes (5-14ka BP) and
in Khazakhstan (Iron Age), 11 February 2014, Climate Change Research Center,
University of New South Wales, Australia. Csank,
A., Woodhouse, C., Pederson, G., Danloe, J., and Leavitt, S., 2014.
Assessing the ability of tree-ring isotopes to improve our
understanding of the climatic drivers of streamflow in the Upper-Colorado
River Basin. AMQUA 2014 Biennial Meeting,
Aug. 7-10, 2014, Seattle, WA. 2015 *Leavitt, S.W., 2015. 25 years of stable isotope research at LTRR. A talk to LTRR Docents, 10 January 2015,
Tucson, AZ. *Leavitt, S.W., 2015. Radiocarbon dating at LTRR and the birth of calibration. Workshop- A Comprehensive Guide to Bayesian
Modeling of Radiocarbon Dates using OxCal. 25-26 April 2015, Tucson, AZ. *Leavitt, S.W., 2015. Tree rings and the tales they tell of drought, floods, fires,
and times gone by. Cochise College,
High Desert Gardening Workshop, 13 March 2015, Sierra Vista, AZ. Panyushkina,
I.P., and Leavitt, S.W.,
2015. Climatic signals in tree-ring
stable isotope records from the U.S. Great Lakes subfossil wood network:
Successes and limitations. European
Geoscience Union General Assembly, 12-17 April 2015, Vienna, Austria. *Leavitt,
S.W., 2015. Long
tree-ring isotope chronologies in the U.S. Southwest and North American
Monsoon hydroclimate. North American
Forest Ecology Workshop (NAFEW), 14-18 June 2015, Veracruz, Mexico. Leavitt, S.W. and Panyushkina, I.P., 2015. Tree-ring evidence of non-stationary
environment in the U.S. Great Lakes area between 15ka-7ka: A time of human
transcontinental migrations and mega-fauna extinctions. XIX INQUA Congress (Quaternary Perspectives
on Climate Change, Natural Hazards and Civilization), 26 July to 2 August
2015, Nagoya, Japan. Panyushkina,
I.P., and Leavitt, S.W., Lara, A.,
Roig, F., Palmer, J., Turney, C.S.M., Jull, T., Van de Water, P.K., 2015. Pan-Pacific tree-ring records in
excess of 50 ka. XIX INQUA Congress
(Quaternary Perspectives on Climate Change, Natural Hazards and
Civilization), 26 July to 2 August 2015, Nagoya, Japan. *Leavitt,
S.W., 2015. Connecting
Trees and Space: The A.E. Douglass Story.
Moon Tree Celebration, 30 October 2015, Space Sciences Building,
Campus. Gutiérrez
García, Genaro, Carriquiry Beltrán, José D., Leavitt, Steven W., Trouet,
Valerie, 2015. Ariabilidad hidroclimática de la península de Baja California
reconstruida a partir de anillos de crecimiento de Pinus lagunae y Pinus
monophylla. Reunión Anual 2015 de
la Unión Geofísica Mexicana, 2-7 November, 2015, Puerto Vallarta, Jalisco,
México. Johnson, J.E., Tipple,
B.J., Betancourt, J.L., Ehleringer, J.R., Leavitt, S.W., Monson, R.K., 2015. Do interspecific
differences in the stable hydrogen isotopic composition of n-alkanes reflect
variation in plant water sources or in biosynthetic fractionation? AGU Fall Meeting, 14-18 December
2015, San Francisco. 2016 Michael
L. Detizio, John M. Zawiskie, Irina P. Panyushkina, Steven W. Leavitt, 2016. New AMS radiocarbon bone and tusk dates
for Late Pleistocene mastodons in southeast Michigan. Michigan Academy of
Science Arts & Letters Conference, 4 March 2016, Saginaw Valley State
University. Panyushkina,
I.P., Livina, V.N., Leavitt, S.W.,
2016. Climate variability of Late Pleistocene deglaciation in the North
American midcontinent derived from tree rings. European Geosciences Union
(EGU) General Assembly 2016, 17–22 April 2016, Vienna, Austria. Leavitt, S.W., 2016. Global Change in the Great Lakes Region
14ka to 6ka from the Annals of Ancient Wood.
Geology Department, University of Wisconsin-Oshkosh, 12 April 2016,
Oshkosh, Wisconsin. Leavitt, S.W. and Panyushkina, I.P., 2016. The stable-isotopic view of tree-ring
series from the Great Lakes area between ca. 12 ka and 13.8 ka. Geological Society of America, North-Central
Section - 50th Annual Meeting, 18 to 19 April 2016, Champaign, IL. Panyushkina,
I.P., Leavitt, S.W., Zawiskie, J.,
2016. Annually-Resolved Environmental proxies in the Great Lakes Area, 14 ka
to 10 ka BP: A Time of Rising Human
Population and Mega-Fauna Extinction. Society for American Archaeology (SAA)
81st Annual Meeting, 6-10 April 2016, Orlando, Florida. Paul
Szejner,
Wright, William E., Leavitt, Steve,
Monson, Russell K., 2016. Using stable
isotopes in tree-rings to understand tree performance. Tropical Ecology and tree ring Isotope
Seminar, Georg-August-University, Göttingen, Germany. Hamann, Lejon,
Johnson, Jennifer E., Dettman, David, Kim-Hak, David, Leavitt, Steven W., Monson, Russell
K., Pope, Aloah, Papuga, Shirley A., 2016.
Quantifying differences between cryogenic distillation and induction
methods for stable isotope analysis:
Implications for understanding plant-water dynamics. Earth Week, University of Arizona. Gutierrez
Garcia, G., Carriquiry-Beltran,
J.D., Leavitt, S., Trouet, V.,
2016. Hydroclimatic variability of the Baja California Peninsula
reconstructed from tree-rings of Pinus
lagunae and Pinus monophylla.
Third American Dendrochronology Conference (AmeriDendro) March 28 - April 1,
2016, Mendoza, Argentina. Panyushkina,
I.P., Livina, V.N., Leavitt, S.W.,
Mode, W.N., 2016. Tree-ring evidence
of climate variability of Late Pleistocene deglaciation in the North American
midcontinent. Geol. Soc. Of America
national meeting, 25-28 September 2016. Abstract #278227 Szejner,
P., Wright, W. E., Babst, F., Belmecheri, S., Trouet, V., Leavitt, S. W., Ehleringer, J. R.,
Monson, R. K., 2016. Latitudinal
gradients in tree ring stable carbon and oxygen isotopes reveal differential
climate influences of the North American Monsoon system. AGU Fall Meeting,
12-16 December 2016, San Francisco.
ID#142441 Meixner,
T., Leavitt, S., Morino, K., 2016.
Water sources over time for a semi-arid river- Implications for water
resources. AGU Fall Meeting, 12-16
December 2016, San Francisco. ID#
161011 Johnson, J.E., Tipple, B.J., Betancourt, J.L., Ehleringer, J.R., Leavitt, S.W., Monson, R.K., 2016. Variation in the apparent biosynthetic fractionation for N-alkane δD among terrestrial plants: Patterns, mechanisms, and implications. AGU Fall Meeting, 12-16 December 2016, San Francisco. ID# 197064 2017 Panyushkina, I., Leavitt, S.W., Mode, W., 2017. Late Pleistocene millennium-scale tree-ring
record from North America. The 14th
International Conference on Accelerator Mass Spectrometry, IntCal and
Dendrochronology Workshop, 14-18 August 2017, University of Ottawa, Canada. Monson, R. K., Szejner, P.,
Belmecheri, S., Morino, K., Wright, W., Babst, F., Hughes, M., Leavitt, S., Trouet, V., Ehleringer,
J. 2017. Reconstructing drought legacies in the North American Monsoon
climate system using tree ring stable isotopes. 6-11 August 2017, Ecological
Society of America meeting. Portland, OR. 2018 Leavitt, S.W.,
Panyushkina, I.P., Gutierrez, G., 2018.
Tree, tree-ring and isotope prospects for identifying Holocene abrupt
climate change in North America. 18-21
June 2018, Holocene Abrupt Climatic Events and the Environmental Effects
Workshop, Institute of Earth Environment, CAS, Xi'an, China. 2019 Michaletz, S., Duran, S.,
Leavitt, S., McDowell, N., Saleska, S.R., van Haren, J., Troch, P.A.,
Enquist, B. J., 2019. Re-evaluating a stable isotope (δ18O)
approach for estimating the temperature of photosynthesis. 11–16 August 2019,
Ecological Society of America meeting. Louisville, Kentucky. |
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