Iowa State University

Iowa State University

College of Liberal Arts and Sciences

Department of Geological and Atmospheric Sciences

Got a question or comment?
Contact us at 515-294-4477 (geology) or 515-294-4758 (meteorology)
geology@iastate.edu
meteorology@iastate.edu

Carl Jacobson
Chair
Department of Geological & Atmospheric Sciences
253 Science I
Ames, Iowa 50011

FAX: 515-294-6049

William Gallus
Professor-in-Charge
Meteorology Program
3010 Agronomy Hall
515-294-2270


Publications by Denis Cohen

Person, M., P. Roy, H. Wright, W. J. Jr. Gutowski, E. Ito, T. Winter, D. Rosenberry, Cohen D., and P. Morin (200X), Hydrologic response of the Crow Wing watershed, Minnesota, to Mid-Holocene climate change, submitted to Geol. Soc. Amer.

Cohen D., T. S. Hooyer, N. R. Ive rson, J. Thomason, and M. Jackson (2006), Role of transient water pressure in quarrying: a subglacial experiment using acoustic emissions, J. Geophys. Res., in press.

Cohen D., M. Person, R. Daannen, S. Locke, D. Dahlstromn, V. Zabielski, T. C. Winter, D. O. Rosenburry, H. Wright, E. Ito, J. L. Nieber, and W. J. Jr. Gutowski (2006), Groundwater supported evapotranspiration within glaciated watersheds under conditions of climate change, J. Hydrol., 320, 484–500.

Cohen D., N. R. Iverson, T. S. Hooyer, U. H. Fischer, M. Jackson, and P. L. Moore (2005), Debris-bed friction of hard-bedded glacier, Journal of Geophysical Research, 110, F02007, doi:10.1029/2004JF000228.

Iverson, N. R., D. Cohen, T. S. Hooyer, U. H. Fischer, M. Jackson, P. L. Moore, G. Lappegard, and J. Kohler (2003), Effects of basal debris on glacier flow, Science, 301, 81–84.

Cohen, D., R. LeB. Hooke, N. R. Iverson, and J. Kohler (2000), Sliding of ice past and obstacle at Engabreen, Norway, Journal of Glaciology, 46, 155, 599–610.

Cohen, D. (2000), Rheology of ice at the bed of Engabreen, Norway, Journal of Glaciology, 46, 155, 611–621.

Cohen, D., R. LeB. Hooke, N. R. Iverson, and J. Kohler, (2000), Sliding of ice past and obstacle at Engabreen, Norway, Journal of Glaciology, 46, 155, 599–610. [article-pdf] (3.1 Mb).

Kieffer, H. H., and 41 co-authors (2000), New eyes in the sky measure glaciers and ice sheets, Eos, Transactions, American Geophysical Union, 81, 24, Pages 265, 270–271.

ABSTRACTS

Iverson, N. R., D. Cohen, T. S. Hooyer, J. Thomason, M. Jackson (2005), Effects of water-pressure fluctuations on glacial erosion: a quarrying experiment beneath Engabreen, Norway, AGU, submitted.

Person, M. A., P. Roy, E. Ito, T. Winter, W. Gutowski, D. Rosenberry, D. Cohen, and H. Wright (2005), Hydrologic response of the Crow Wing watershed, Minnesota, to mid-Holocene climate change, GSA Abstract with Programs, 37(7), 243.

Marksamer, A. J., M. Person, K. Brown, D. Bish, P. Sauer, K. Licht, D. Cohen, E. R. Elswick, B. Dugan, and M. Willett (2005), Hydrogeology of glacio-lacustrine deposits on Nantucket island, Massachesetts, GSA Abstract with Programs, 37(7), 502.

Person, M. A., D. Cohen, A. Marksamer, and B. Dugan (2005), Pleistocene hydrogeology of the Atlantic continental shelf, Earth System Processes 2, Calgary, Canada.

Hooyer, T. S., D. Cohen, N. R. Iverson, J. Thomason, and M. Jackson (2005), A quarrying experiment beneath a thick valley glacier: role of transient water pressure, North-Central Section, 39th Annual Meeting, May 19-20, Geological Society of America Abstracts with Programs, 37, 5. Abstract

Iverson, N. R., T. S. Hooyer, J. Thomason, P. Moore, U. H. Fischer, and D. Cohen (2005), Bed deformation by ice Sheets: evaluating the assumptions behind the paradigm, North-Central Section, 39th Annual Meeting, May 19-20, Geological Society of America Abstracts with Programs, 37, 5. Abstract

Cohen D., O. Gagliardini, T. Zwinger, J. Ruokolainen, N. R. Iverson (2005), Sliding with cavity formation: finite-element model of the generalized Stokes flow equations with free surface, EGU Spring Meeting, Vienna.

Cohen D., N. R. Iverson, T. S. Hooyer, U. H. Fischer, M. Jackson, and P. L. Moore, Debris-bed friction of hard-bedded (2004), Eos Trans., AGU Fall Meeting, San Francisco.

Iverson N. R., D. Cohen (2004), A laboratory device for study of glacier slip over hard and soft beds, IGS International Symposium on Ice and Water Interactions: Processes Across the Phase Boundary, IGS Meeting, Portland, USA.

Cohen D., N. R. Iverson, T. S. Hooyer, M. Jackson (2004), Measurement of crack propagation in a granite block at the bed of a glacier using acoustic emissions: instrument design, EGU, Nice, France.

Iverson, N. R., T. S. Hooyer, U. H. Fischer, D. Cohen, M. Jackson, P. L. Moore, G. Lappegard, and J. Kohler (2003), Bed-deformation experiments beneath a thick temperate glacier, Geological Society of America Abstracts with Programs, 35, 6, p. 298. Abstract.

Prasenjit, R., M. A. Person, V. Zabielski, E. Ito, D. Dahlstrom, T. Winter, D. Rosenberry, Cohen, D., and W. Gutowski (2003), The role of aquifers in paleoclimatic reconstructions of the Crow-Wing watershed, Geological Society of America Abstracts with Programs, 35, 6, p. 211. Abstract.

Cohen D., N. R. Iverson, T. S. Hooyer, U. H. Fischer, M. Jackson, and P. L. Moore (2003), Importance of debris-bed friction in resisting sliding of a hard-bedded glacier, EGS/EUG/AGU Joint Assembly, Nice, France.

Person M., D. Cohen , R. Daanen, J. Nieber, T. Winter, and D. Rosenberry (2003), Aquifer-supported evapotranspiration under conditions of climate change, EGS/EUG/AGU Joint Assembly, Nice, France.

Hooyer, T. S., N. R. Iverson, U. H. Fischer, D. Cohen, M. Jackson, P. L. Moore, G. Lappegard, and J. Kohler (2002), Motion of a temperate glacier over hard and soft beds: subglacial experiments at Engabreen, Norway, Eos Trans., 83, 47, AGU Fall Meeting, San Francisco.

Iverson, N. R., T. S. Hooyer, U. H. Fischer, D. Cohen, M. Jackson, P. L. Moore, G. Lappegard, and J. Kohler (2002), Bed-deformation experiments beneath a thick temperate glacier, Eos Trans., 83, 47, AGU Fall Meeting, San Francisco.

Cohen, D., N. R. Iverson, T. S. Hooyer, M. Jackson, P. L. Moore (2001), Friction at the bed of Engabreen, Norway, Eos Trans., 82, 47, AGU Fall Meeting, San Francisco.

Iverson, N. R., T. S. Hooyer, U. H. Fischer, D. Cohen, M. Jackson, P. L. Moore, G. Lappegard, and J. Kohler (2001), A bed deformation experiment beneath Engabreen, Norway, Eos Trans., 82, p. 74, AGU Fall Meeting, San Francisco.

Cohen, D., 1999, Measurement of water content at the base of Engabreen, Norway, Eos Trans., 80, 46, p. 427, AGU Fall Meeting, San Francisco.

Cohen, D., R. LeB. Hooke, N. R. Iverson, Kohler J., 1997, Ice rheology from 3-D finite element model of ice flow past an obstacle at the bed of Engabreen, Norway, Eos Trans., AGU Fall Meeting, San Francisco.

Cohen, D., R. LeB. Hooke, N. R. Iverson, J. Kohler, H. Elvehoy, 1996, A study of the flow of ice past an instrumented obstacle at the bed of Engabreen, Norway, Eos Trans., 77, 46, p. 193, AGU Fall Meeting, San Francisco.

Cohen D. and L. E. Scriven (1993), Two-layer slot coating flow regimes: role of interlayer, separation line and microvortices, Symposium on Coating Technology, 46th Annual Conference of the Society for Imaging Science and Technology, Boston.

Cohen D., L. E. Scriven, and W. Suszynski (1992), Flow visualization of two-layer slot coating, Sixth International Symposium on Coating Science and Technology, AIChE National Meeting, New Orleans.

Cohen D. and L. E. Scriven (1992), Viscocapillary model of two-layer slot coater, Sixth International Symposium on Coating Science and Technology, AIChE National Meeting, New Orleans