Old Dominion University
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College of Sciences


Department of Ocean, Earth and Atmospheric Sciences




Dennis A. Darby

Dennis A. Darby

Office Phone: (757)683-4701
E-mail: ddarby@odu.edu
Office Location: OCNPS 341
Current Students: Wesley B. Myers, Ph.D.; Shavonne Miles, MS; Shannon Cofield, MS; Richard Goshen, MS
Curriculum Vitae
Research Lab
Recent APEX 2011 meeting at Longyearbyen, Svalbard
2011 OEAS News Feature
2007 Science News Feature
2007 Lomonosov Ridge Off Greenland Expedition
HOTRAX Special Issue in Global & Planetary Change
2010 Sedimentary Course Photos

Research Interests

 

Current Projects

  • Paleoclimate and paleoceanography of the Arctic and sub-Arctic
  • Provenance of sands
  • Sedimentology and depositional environments

Constraints of warming in the Arctic Ocean (NSF-Arctic Natural Science)

History of ice-rafting from Greenland and the Arctic Ocean

Educational Background

 

Courses

1971 Geology PhD with minor in Oceanography, University of Wisconsin, Madison

 

 

1968 Geology, University of Pittsburgh

 

 

1966 Geology, University of Pittsburgh
 
OEAS 320 - Sedimentology and Stratigraphy
OEAS 531 - Sedimentary Petrology
OEAS 620 - Advanced Geological Sciences
OEAS 634 - Applied Clay Mineralogy
OEAS 735 - Paleoclimatology
                                                      

Selected Publications

Stärz, M., Gong, X., Lohmann, G., Stein, R., Darby, D.A., Kauker, F., 2012, Implications of a non-static sea-ice cover in the glacial Arctic Ocean. Earth & Planetary Science Letters. 357-358 (2012) 257-267.
Darby, D.A., Ortiz, J. D., Grosch, C., and Lund, S., 2012, 1,500 year cycle in the Arctic Oscillation identified in Holocene Arctic sea-ice drift.Nature Geoscience,doi: 10.1038/NGEO1629.
Xuan, C., Channel, J. E. T., Polyak, L., and Darby, D.A., 2012, Paleomagnetism of Quaternary sediments from Lomonosov Ridge and Yermak Plateau: Implications for age models in the Arctic Ocean. Quat. Sci. Rev., 32:48-63.
Darby, D.A., W. B. Myers, M. Jakobsson, and I. Rigor (2011), Modern dirty sea ice characteristics and sources: The a. role of anchor ice, J. Geophys. Res., 116, C09008, doi:10.1029/2010JC006675.
Ortiz, J. D., Nof, D., Polyak, L., St-Onge, G., Lisé-Pronovost, A., Naidu, S., Darby, D.A., Brachfeld, S., submitted, Inter-hemispheric control of the Atlantic Meridional Overturning during the last 12,000 years. Jour. Physical Oceanography, in review.
Larsen, N. K., Kjaer, K. H., Funder, S., Möller, P., van der Meer, J. J. M., Schomacker, A., Linge, H. C., Darby, D.A., 2010, Extensive ice shelf glaciation in northern Greenland during the Last Glacial Maximum, Quat. Sci. Rev., 29: 3399-3414.
Jakobsson, M., Nilsson, J., O'Regan, M. A., Backman, J., Löwemark, L., Dowdeswell, J.A., Colleoni1, F., Marcussen, C., Anderson, L., Björk, G., Darby, D.A., Eriksson, B., Hanslik, D., Hell, B., Mayer, L., Polyak, L., Sellén, E., and Wallin, Å., 2010, An Arctic Ocean ice shelf during MIS 6 constrained by new geophysical and geological data. Quat. Sci. Rev., 29: 3505-3517.
Polyak, L., Alley, R.B., Andrews, J.T., Brigham-Grette, J., Cronin, T.M., Darby, D.A., Dyke, A., Fitzpatrick, J.J., Funder, S., Holland, M., Jennings, A.E., Miller, G.H., O'Regan, M.A., Savelle, J., Serreze, M., St. John, K., White, J.W.C., Wolff, E., 2010, History of sea ice in the Arctic. Quat. Sci. Rev., 29: 1757-1778, doi:10.1016/j.quascirev.2010.02.010.
Yurco, L.N., Ortiz, J.D., Polyak, L., Darby, D.A., and Crawford, K.A., 2010. Clay mineral cycles identified by diffuse spectral reflectance in Quaternary sediments from the Northwind Ridge: implications for glacial-interglacial sedimentation patterns in the Arctic Ocean. Polar Research, 29(2): 176-197. doi:10.1111/j.1751-8369.2010.00160.x.
Darby, D.A., Polyak, L., and Jakobsson, M., 2009. The 2005 HOTRAX Expedition to the Arctic Ocean. Global Planet. Change, 68: 1-4, doi:10.1016/j.gloplacha.2009.04.005.
Darby, D.A., Ortiz, J. Polyak, L., Lund, S., Jakobsson, M., and Woodgate, R.A., 2009. The role of currents and sea ice in both slowly deposited central Arctic and rapidly deposited Chukchi-Alaskan margin sediments. Global Planet. Change. 68: 58-72. doi:10.1016/j.gloplacha.2009.02.007.
Ortiz, J.D., Polyak, L., Grebmeier, J.M., Darby, D.A., Eberl, D.D., 2009, Provenance of Holocene clay minerals on the Chukchi Shelf, Alaska, based on combined diffuse spectral reflectance and quantitative X-Ray Diffraction. Global & Planet. Change. 68: 73-84. doi:10.1016/j.gloplacha.2009.03.020.
Brachfeld, S., Barletta, F., St-Onge, G., Polyak, L., Ortiz, J.D., and Darby, D.A., 2009, Impact of diagenesis on the environmental magnetic record from a Holocene sedimentary sequence from the Chukchi-Alaskan margin, Arctic Ocean. Global & Planet. Change. 68: 100-114. doi:10.1016/j.gloplacha.2009.03.023.
Lisé-Pronovost, A., St-Onge, G., Brachfeld, S., Barletta, F., Darby, D.A., 2009, Paleomagnetic constraints on the Holocene stratigraphy of the Arctic Alaskan margin. Global & Planet. Change. 68: 85-99. doi:10.1016/j.gloplacha.2009.03.015.
Polyak, L., Bischof, J., Ortiz, J.D., Darby, D.A., Channell, J.E.T., Xuan, C., Kaufman, D.S., Løvlie, R., Schneider, D., Adler, R., and Council, E., 2009. Late Quaternary stratigraphy and sedimentation patterns in the western Arctic Ocean. Global & Planet. Change. 68: 5-17. doi:10.1016/j.gloplacha.2009.03.014.
Andrews, J.T., Darby, D.A., D. Eberl, A. E. Jennings, M. Moros, and A. Ogilvie, 2009, A robust, multi-site Holocene history of drift-ice off northern Iceland: Implications for North Atlantic climate. The Holocene, 19: 71-77. doi: 10.1177/0959683608098953.
Barletta, F., St-Onge, G., Channell, J.E.T., Polyak. L., Darby, D.A., 2008, High-resolution paleomagnetic secular variation and relative paleointensity records from the western Canadian Arctic: implication for Holocene stratigraphy and geomagnetic field behaviour. Can. Jour. of Earth Sci., 45: 1265-1281.
Darby, D.A., and P. Zimmerman, 2008, Ice-Rafted Detritus Events in the Arctic During the Last Glacial Interval and the Timing of the Innuitian and Laurentide Ice Sheet Calving Events, Polar Research 27: 114-127. doi:10.1111/j.1751-8369.2008.00057.
McKay, J., de Vernal, A., Hillaire-Marcel, C., Not, C., Polyak, L., Darby, D.A., 2008. Holocene fluctuations in Arctic sea-ice cover: Dinocyst-based reconstructions for the eastern Chukchi Sea, Can. Jour. of Earth Sci., 45: 1377-1397.
Not, C., C. Hillaire-Marcel, B. Ghaleb, L. Polyak, and Darby, D.A., 2008, Stratigraphic implication of 210Pb-distribution in very low sedimentation rate sediments from the Mendeleev Ridge (Arctic Ocean), Can. Jour. of Earth Sci, 45: 1207-1219, doi: 10.1139/E08-047. Best paper of the year award.
Darby, D.A., 2008, The Arctic perennial ice cover over the last 14 million years, Paleoceanography, v. 23, PA1S07, doi:10.1029/2007PA001479.
Björk, G., Swift, J.H., Jakobsson, J., Anderson,L., Rudels, B., Darby, D.A., Backman, J., Coakely, B., Winsor, P., Polyak, L., and Edwards, M., 2007, Bathymetry and deep-water exchange across the central Lomonosov Ridge at 88°-89°N. Deep-Sea Research Part 1, 54: 1197-1208.
Polyak, L., Darby, D.A., Bischof, J., Jakobsson, M., 2007, Stratigraphic constraints on late Pleistocene glacial erosion and deglaciation of the Chukchi margin, Arctic Ocean. Quaternary Research, 67: 234-245.
Darby, D.A., L. Polyak, and H. Bauch, 2006, Past glacial and interglacial conditions in the Arctic Ocean and marginal seas, a review. In: Structure and function of contemporary food webs on Arctic shelves: a Pan-Arctic comparison, P. Wassman, (ed.). Progr. Oceanography, 71: 129-144.
Cota, G.F., Cooper, L.W., Darby, D.A., and Larsen, I.L., 2006, Unexpectedly high radioactivity burdens in ice-rafted sediments from the Canadian Arctic Archipelago. Sci. of the Total Environ., 366: 253-261.
de Vernal, A., Hillaire-Marcel, C., Darby, D.A., 2005, High variability of sea-ice cover in the Chukchi Sea (western Arctic Ocean) during the Holocene. Paleoceanography, 20, PA4018, doi: 10.1029/2005PA001157.
Darby, D.A., Jakobsson, M., and Polyak, L., 2005, Icebreaker expedition collects key Arctic seafloor and ice data. EOS, 86(52): 549, 552.
Stokes, C.R., Clark, C.D., Darby, D.A., and Hodgson, D., 2005, Late Pleistocene ice export events in the Arctic Ocean linked to the M'Clure Strait ice stream, Canadian Arctic. Global and Planetary Change, 49(3-4): 139-162.