Faculty

Denis Cohen

Affiliate Assistant Professor

Glaciology, Hydrogeology, Landslides

253 Science I
Dept. of Geological and Atmospheric Sciences
Iowa State University
Ames, IA 50011
Email: dcohen@iastate.edu

Most Recent Publications

DeFoor, W., M. A. Person, B. Dugan, H. C. Larsen, D. Lizarralde, and
D. Cohen, (submitted), Ice-sheet derived submarine groundwater
discharge on Greenland's continental shelf, Water. Resour. Res.

Cohen, D., M. Schwarz, and D. Or (2011), An analytical fiber bundle
model for pullout mechanics of root bundles, J. Geophys. Res., in
press.

Schwarz, M., D. Cohen, and D. Or (2011), Pullout tests of root analogs
and natural root bundles: experiments and modeling, J. Geophys. Res.,
116,  F02007, doi:10.1029/2010JF001753.

Banergee, A., M. Person, A. Hofstra, D. Sweetkind, D. Cohen}, A.
Sabin, J. Unruh, G. Zyvoloski, C. W. Gable,  L. Crossey, and K.
Karlestrom (2011), Deep permeable failt-controlled helium transport
and limited mantle flux in two extensional geothermal systems in the
Great Basin, United States, Geology, 39, 3, 195--198,
doi:10.1130/G31557.

Moore, P. L., N. R. Iverson, K. A. Brugger, D. Cohen, T. S.  Hooyer,
and P. Jansson (2011), Effect of a cold margin on ice flow and
sediment transport at the terminus of Storglaci\"aren, Sweden, J.
Glaciol., 57, 201, 77--87.

Schwarz, M., D. Cohen, and D. Or (2010), Soil-root mechanical
interactions during pullout and failure of root bundles, J. Geophys.
Res., 115, F04035, doi:10.1029/2009JF001603.

Moore, P. L., N. R. Iverson, and D. Cohen (2010), Conditions for
thrust faulting in a glacier, J. Geophys. Res., {\it 115}, F02005,
doi:10.1029/2009JF001307.

Cohen, D., P. Lehmann, and D. Or (2009), Fiber bundle model for
multiscale modeling of hydromechanical triggering of shallow
landslides, Water Resour. Res., 45, W10436, doi:10.1029/2009WR007889.

Cohen, D., M. A. Person, P. Wang, C. W. Gable, D. Hutchinson, A.
Marksamer, B. Dugan, H. Kooi, K. Groen, D. Lizarralde, and R. Evans
(2009), Origin and extent of fresh paleowaters beneath the Atlantic
Continental Shelf, Groundwater,48}, 1, doi:10.1111/j.1745-6584.2009.00627.x, 143--158.

Selected Refeered Publications


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.

 

Additional publications