Darrell Kaufman, PhD
Regents’ Professor of Geology
- Past climate and environmental changes.
- Lake and glacial sediments.
- Geologic dating methods.
For the last 20 years, Dr. Darrell
Kaufman has been studying the geological evidence of past climate changes in
Alaska and elsewhere in the western U.S.
His research focuses on environmental
changes, particularly those related to the paleoclimate, which shaped the
Earth's surface during the Quaternary Period (the most recent geological period
of time in Earth’s history, spanning the last two million years and extending up
to the present day), in an effort to understand present and future climate
His particular focus is on lake and
glacial deposits that provide an archive of long-term climate variability. He
has served as the guest editor for two special issues of the Journal of Paleolimnology
(2009 and 2012), both dedicated to inferring past climate and environmental
changes from Arctic lake sediment. In 2009, he co-edited a Special Paper of the
Geological Society of America on Bear Lake, Idaho/Utah focusing on the same
Dr. Kaufman oversees the amino acid
geochronology laboratory, which is supported as a shared facility through the
National Science Foundation, and he is involved in many studies aimed at
understanding the timing, rates, and regional extent of paleoclimatic changes.
He has a strong emphasis in field geology, because accurate dating of geologic
deposits is predicated on understanding the geologic context of the materials.
Currently Dr. Kaufman has an externally-funded
research program in Alaska.
He recently led an international team of
scientists through a five-year study placing recent warming trends in the
Arctic in the context of long-term climate change. Kaufman, along with Northern
Arizona University students and researchers from more than a dozen
universities, reconstructed 2,000 years of Arctic summer temperatures using the
natural archives of tree rings, glacier ice, and lake sediments from locations
across the Arctic.
He is now expanding this effort globally
through his work with the Past Global Changes (PAGES) program office in
Switzerland. Dr. Kaufman is the coordinating author of a major new compilation
of 2,000-year-long temperature reconstructions from around the world.
- Kaufman, D. S., Axford, Yarrow R.,
Anderson, Scott, Lamoureux, Scott F., Schindler, Daniel E., Walker, Ian R. and
Werner, Al. “Amulti-proxy record of the Last Glacial Maximum and last 14,500 years ofpaleoenvironmental change at Lone Spruce Pond, southwestern Alaska.”
Journal of Paleolimnology
48, no. 1 (2012): 9-26.
- Kaufman, D.S. “Holocene
paleoenvironmental records from Arctic lake sediment.” Journal of Paleolimnology
41 (2012): 1-8.
- Kaufman, Darrell S., Schneider, David P.,
McKay, Nicholas P., Ammann, Caspar M., Bradley, Raymond S., Briffa, Keith R.,
Miller, Gifford H., Otto-Bliesner, Bette L., Overpeck, Jonathan T., Vinther, Bo
M. and Members. “RecentWarming Reverses Long-Term Arctic Cooling.” Science 325, no. 5945 (2009):
- Rosenbaum, J.G., and Kaufman, D.S., eds.
“A quarter-million years of paleoenvironmental change at Bear Lake, Utah and
Idaho.” Geological Society of America Special Paper: Paleoenvironments of Bear
Lake, Utah and Idaho, and its catchment 450 (2009): 311-351.
- Kaufman, D.S., Ager, T.A., Anderson,
N.J., Anderson, P.M., Andrews, J.T., Bartelein, P.J., Burbaker, L.B., Coats,
L.L., Cwynar, L.C., Duval, M.L., Dyke, A.S., Edwards, M.E., Eiser, W.R.,
Gajewski, K., Geisodottir, A., Hu, F.S., Jennings, A.E., Kaplan, M.R., Kewin,
M.W., Lozhkin, A.V., MacDonald, G.M., Miller, G.H., Mock, C.J., Oswald, W.W.,
Otto-Blisner, B.L., Porinchu, D.F., Ruhland, K., Smol, J.P., Steig, E.J.,
Wolfe, B.B. “Holocenethermal maximum in the western Arctic (0-180° W).”
Quaternary Science Reviews
23 (2004): 529-560.
Completelist of Dr. Kaufman’s publications.
Awards and recognition
- National Science Foundation (NSF)
Instrumentation and Facilities grant: Amino Acid Geochronology Laboratory,
- NSF Arctic Natural Sciences research
grant: Collaborative research on resolving centennial-to-millennial-scale
trends in glacier extent and lake sedimentation in the Brooks Range, Arctic
- NSF Arctic System Science grant: A
postdoctoral scientist to synthesize proxy records of Arctic Holocene climate,
- NSF Arctic System Science grant: Collaborative
research (Kaufman lead, 12-PI, $2.5M project) on nonlinearities in the Arctic
climate system during the Holocene, 2010-13.
- NSF Paleo Perspectives on Climate Change
grant: Coupled glacial and lacustrine evidence for decadal- to millennial-scale
variability in the climatologic Aleutian low, southern Alaska, 2008-2012.
- Promoted to Regents’ Professor, 2012.
- Professor of the Year, College of
Engineering, Forestry, and Natural Sciences, 2011.
- Most Significant Scholarly Work, Northern
Arizona University, 2010.
Complete list of Dr. Kaufman’s grants.
Special groups and committees
- Steering Committee, Northern Arizona
University Institute of Tribal Environmental Professionals, Tribal Climate
- Panel Member, proposal reviews, NSF Paleo
Perspectives on Climate Change.
- Council Member, American Quaternary
- Project Leader, “Nonlinearities in the
Arctic climate system during the Holocene.”
- Co-editor, Quaternary Geochronology.
- BA, Environmental Studies/BS, Earth
Sciences, University of California – Santa Cruz, 1982
- MS, Geological Sciences, University of
- PhD, Geological Sciences, University of
Colorado – Boulder, 1991