Publications by Neal Iverson
Moore, P.L., N.R. Iverson, and R.M. Iverson, in press. Frictional properties
of the 2004-2005 Mount St. Helens gouge. U.S. Geological Survey
Professional Paper.
Cohen, D., T.S. Hooyer, N.R. Iverson, J.F. Thomason, and M. Jackson,
in press. Role of transient water pressure in quarrying: a subglacial
experiment using acoustic emissions. Journal of Geophysical Research-Earth
Surface.
Thomason, J.F. and N.R. Iverson, 2006. Microfabric and microshear evolution
in deformed till. Quaternary Science Reviews, 25, 1027-1038.
Iverson, N.R., 2006. Laboratory experiments in glaciology, in Knight,
P.G., ed., Glaciers and Earth's Changing Environment. Blackwell
Publishing.
Amundson, J.M., and N.R. Iverson, 2006. Testing a glacial erosion rule
using hang heights of hanging valleys, Jasper National Park, Alberta,
Canada. Journal of Geophysical Research-Earth Surface, 111,
doi: 10.1029/2005JF000359 (8 pages).
Thomason, J.F. and N.R. Iverson, 2006. Microfabric and microshear evolution
in deformed till. Quaternary Science Reviews, 25, 1027-1038.
Cohen, D., N.R. Iverson, T.S. Hooyer, U.H Fischer, M. Jackson, and P.L.
Moore, 2005. Debris-bed friction of hard-bedded glaciers. Journal
of Geophysical Research-Earth Surface. doi: 10.1029/2004JF000228
(15 pages).
Scherer, R.P., C.M Sjunneskog, N.R. Iverson, and T.S. Hooyer, 2005.
Frustules to fragments, diatoms to dust: how degradation of microfossil
shape and microstructures can teach us how ice sheets work. Journal
of Nanoscience and Nanotechnology, 5, 96-99.
Iverson, N.R., and T.S. Hooyer, 2004. Estimating the sliding velocity
of a Pleistocene ice sheet from plowing structures in the geologic record.
Journal of Geophysical Research-Earth Surface, 109, doi:1029/2004JF000132
(11 pages)
Scherer, R.P., C.M Sjunneskog, N.R. Iverson, and T.S. Hooyer, 2004.
Assessing subglacial processes from diatom fragmentation patterns. Geology,
32, 557-560.
Thomas, J.T., N.R. Iverson, M.R. Burkart, and L.A. Kramer, in press.
Long-term growth of a valley-bottom gully. Earth Surface Processes
and Landforms.
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, 81-83.
Hooyer, T.S., and N.R. Iverson, 2002. Flow mechanism of the Des Moines
lobe of the Laurentide ice sheet, J. Glaciol., 48, 575-586.
Moore, P.L., and N.R. Iverson, 2002. Slow episodic shear of granular
materials regulated by dilatant strengthening. Geology, 30,
843-846.
Iverson, N.R., 2002. Processes of glacial erosion, in Menzies, J., ed.,
Modern and Past Glacial Environments: Revised Student Edition,
Butterworth/Heinemann, Oxford, 131-146 (Invited).
Iverson, N.R. and T.S. Hooyer, 2002. Clast-fabric development in a shearing
granular material: implications for subglacial till and fault gouge:
Reply to discussion of D. I. Benn. Geological Society of America
Bulletin, 114, 383-384.
Iverson, N.R., and R.M. Iverson, 2001. Distributed shear of subglacial
till due to Coulomb slip. Journal of Glaciology, 47, 481-488.
Hooyer, T.S. and N.R. Iverson, 2000. Diffusive mixing between shearing
granular materials: constraints on bed deformation from till contacts.
Journal of Glaciology, 46, 641-651.
Cohen, D., R. LeB. Hooke, N.R. Iverson, and J. Kohler, 2000. Sliding
of ice past an obstacle at Engabreen, Norway. Journal of Glaciology,
46, 599-610.
Iverson, R.M., M.E. Reid, N.R. Iverson, R.G. LaHusen, M. Logan, J.E.
Mann, and D.L. Brien, 2000. Acute sensitivity of landslide rates to
initial soil porosity. Science, 290, 513-516.
Iverson, N.R., 2000. Sediment entrainment by a soft-bedded glacier:
a model based on regelation into the bed. Earth Surface Processes
and Landforms, 25, 881-893.
Hooyer, T.S., and N.R. Iverson, 2000. Clast-fabric development in a
shearing granular material: implications for subglacial till and fault
gouge. Geological Society of America Bulletin, 112, 683-692.
Iverson, N.R., R.W. Baker, R. LeB. Hooke, B. Hanson, and P. Jansson,
1999. Coupling between a glacier and a soft bed: I. A relation between
water pressure and local shear stress determined from till elasticity.
Journal of Glaciology, 44, 41-53.
Iverson, N.R., 1999. Coupling between a glacier and a soft bed: II.
Model results. Journal of Glaciology, 44, 31-40.
Iverson, N.R., R.W. Baker, and T.S. Hooyer, 1998. Ring-shear studies
of till deformation: Coulomb-plastic behavior and distributed strain
in glacier beds. Journal of Glaciology, 44, 634-642.
Fischer, U.H., N.R. Iverson, B. Hanson, P. Jansson, and R. LeB. Hooke,
1998. Estimation of hydraulic properties of a subglacial till layer
from ploughmeter measurements. Journal of Glaciology, 44, 517-522.
Iverson, N.R. , R.W. Baker, and T. Hooyer, 1997. A ring-shear device
for the study of sediment deformation: Tests on tills with contrasting
clay contents. Quaternary Science Reviews, 16, 1057-1066.
Hooke, R. Leb., B. Hanson, N. R. Iverson, P. Jansson, and U. Fischer,
1997. Rheology of subglacial till, Storglacia..ren, Sweden. Journal
of Glaciology, 43, 172-179.
Iverson, N.R., and R. Souchez, 1996. Isotopic signature of debris-rich
ice formed by regelation into a subglacial sediment bed. Geophysical
Research Letters, 23, 1151-1153
Iverson, N.R., T. Hooyer, and R. LeB. Hooke, 1996. A laboratory study
of sediment deformation: Stress heterogeneity and grain-size evolution.
Annals of Glaciology, 22, 167-175.
Iverson, N.R., B. Hanson, R. LeB. Hooke, and P. Jansson, 1995. Flow
mechanism of glaciers on soft beds. Science, 267, 80-81.
Iverson, N.R., 1995. Processes of erosion. In Glacial environments
- processes, sediments, and landforms, v. 1, ed. J. Menzies, Butterworth
Heinemann, Oxford, 241-259. (Invited)
Iverson, N.R. and Semmens, D., 1995. Intrusion of ice into porous media
by regelation: A mechanism of sediment entrainment by glaciers. Journal
of Geophysical Research, 100, 10219-10230.
Hooke, R. LeB. and N.R. Iverson, 1995. Grain-size distribution in deforming
subglacial tills: Role of grain fracture. Geology, 23, 57-60.
Iverson, N.R., P. Jansson, and R. LeB. Hooke, 1994. In situ measurement
of the strength of deforming subglacial sediment. Journal of Glaciology,
40, 497-503.
Iverson, N.R., 1993. Regelation of ice through debris at glacier beds:
implications for sediment transport. Geology, 21, 559-562.
Iverson, N.R., 1991. Potential effects of of subglacial water-pressure
fluctuations on quarrying. Journal of Glaciology, 37, 27-36.
Iverson, N.R., 1991. Morphology of glacial striae: implications for
abrasion of glacier beds and fault surfaces. Geological Society
of America Bulletin, 103, 1308-1316.
Iverson, N.R., 1990. Laboratory simulations of glacial abrasion: comparison
with theory. Journal of Glaciology, 36, 304-314.
Hooke, R., LeB., P. Holmlund, and N.R. Iverson, 1987. Extrusion flow
demonstrated by borehole deformation measurements over a riegel, Storglaciären,
Sweden. Journal of Glaciology, 33, 72-78.
Hooke, R., LeB., and N.R. Iverson, 1985. Experimental study of ice flow
around a bump: comparison with theory. Geografiska Annaler,
67A, 187-198.
