David J. Barclay   Professor Geology Department SUNY Cortland 37 Bowers Hall 607-753-2921 david.barclay@cortland.edu

Research:
Glaciers	Tree-rings	Climate change	Geomorphology
My research interests span a range of issues relating to glaciers, tree-rings and climate change in southern Alaska.  My recent work has focused on how climate has changed over the past 2000 years and on using tree-ring crossdates of glacially killed trees to reconstruct glacier fluctuations during this interval.  I am also interested in the dynamics of tidewater (iceberg-calving) glaciers and how the geomorphology of their termini can affect their dynamics during advance. Locally I am interested in the geomorphology and Pleistocene glacial history of New York State.  My projects have included the evidence (or lack thereof) for post-Laurentide local glaciation in the Adirondack High Peaks, landscape history of central New York, stream channel migration in glaciated valleys, and development of tree-ring chronologies from historical structures.

Publications: Wiles, Gregory C., D'Arrigo, Rosanne D., Barclay, David, Wilson, Rob S., Jarvis, Stephanie K., Vargo, Lauren and Frank, David, 2014, Surface air temperature variability reconstructed with tree rings for the Gulf of Alaska over the past 1200 years: The Holocene, v. 24, p. 198-208, doi: 10.1177/0959683613516815.  [pdf] Barclay, David J., Yager, Elowyn M., Graves, Jason, Kloczko, Michael and Calkin, Parker E., 2013, Late Holocene glacial history of the Copper River Delta, coastal south-central Alaska, and controls on valley glacier fluctuations: Quaternary Science Reviews, v. 81, p. 74-89, doi: 10.1016/j.quascirev.2013.10.001.  [pdf] Wiles, Gregory C., Barclay, David J. and Young, Nicholas E., 2010, A review of lichenometric dating of glacial moraines in Alaska: Geografiska Annaler, v. 92 A, p. 101-109, doi: 10.1111/j.1468-0459.2010.00380.x.  [pdf] Barclay, David J., Wiles, Gregory C. and Calkin, Parker E., 2009, Holocene glacier fluctuations in Alaska: Quaternary Science Reviews, v. 28, p. 2034-2048, doi:10.1016/j.quascirev.2009.01.016.  [pdf] Barclay, David J., Wiles, Gregory C. and Calkin, Parker E., 2009, Tree-ring crossdates for a First Millennium AD advance of Tebenkof Glacier, southern Alaska: Quaternary Research, v. 71, p. 22-26, doi: 10.1016/j.yqres.2008.09.005.  [pdf] Wiles, Gregory C., Barclay, David J., Calkin, Parker E. and Lowell, Thomas V., 2008, Century to millennial-scale temperature variations for the last two thousand years indicated from glacial geologic records of Southern Alaska: Global and Planetary Change, v. 60, p. 115-125, doi: 10.1016/j.gloplacha.2006.07.036.  [pdf] Barclay, David J., Barclay, Julie L., Calkin, Parker E. and Wiles, Gregory C., 2006, A revised and extended Holocene glacial history of Icy Bay, southern Alaska, U.S.A.: Arctic, Antarctic and Alpine Research, v. 38, p. 153-162.  [pdf] Reyes, Alberto V., Wiles, Gregory C., Smith, Dan J., Barclay, David J., Allen, Sandra, Jackson, Scott, Larocque, Sonya, Laxton, Sarah, Lewis, Dave, Calkin, Parker E. and Clague, John J., 2006, Expansion of alpine glaciers in Pacific North America in the first millennium A.D.: Geology, v. 34, p. 57-60, doi: 10.1130/G21902.1.  [pdf]  [data] Wiles, Gregory C., D'Arrigo, R.D., Villalba, Ricardo, Calkin, Parker E. and Barclay, David J., 2004, Century scale solar variability and Alaskan temperature change over the past millennium: Geophysical Research Letters, v. 31, L15203, doi: 10.1029/2004GL020050.  [pdf] Barclay, David J., Wiles, Gregory C. and Calkin, Parker E., 2003, An 850 year record of climate and fluctuations of the iceberg-calving Nellie Juan Glacier, south central Alaska, U.S.A.; Annals of Glaciology, v. 36, p. 51-56.  [pdf] Barclay, David J., Calkin, Parker E. and Wiles, Gregory C., 2001, Holocene history of Hubbard Glacier in Yakutat Bay and Russell Fiord, southern Alaska: Geological Society of America Bulletin, v. 113, p. 388-402.  [pdf] Calkin, Parker E., Wiles, Gregory C. and Barclay, David J., 2001, Holocene coastal glaciation of Alaska: Quaternary Science Reviews, v. 20, p. 449-461.  [pdf] Ackert, Robert P. Jr., Barclay, David J., Borns, Harold W. Jr., Calkin, Parker E., Kurz, Mark D., Fastook, James L. and Steig, Eric J., 1999, Measurements of past ice sheet elevations in interior West Antarctica: Science, v. 286, p. 276-280.  [pdf] Wiles, Gregory C., Barclay, David J. and Calkin, Parker E., 1999, Tree-ring dated Little Ice Age histories of maritime glaciers, western Prince William Sound, southern Alaska: The Holocene, v. 9, p. 163-173.  [pdf] Barclay, David J., Wiles, Gregory C. and Calkin, Parker E., 1999, A 1119-year tree-ring-width chronology from western Prince William Sound, southern Alaska: The Holocene, v. 9, p. 79-84.  [pdf] Borns, Harold W. Jr., Dorion, Christopher, Calkin, Parker E., Wiles, Gregory C. and Barclay, David J., 1995, Evidence for thicker ice in interior West Antarctica: Antarctic Journal of the United States, v. 30, no. 5, p. 100-101.  [pdf] Hodge, Dennis S., Bursik, Marcus I. and Barclay, David, 1995, Simulation of Physical Processes in Environmental Laboratories: Journal of Geological Education, v. 43, p. 453-460.  [pdf]

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