Award Abstract # 0806355
The Influence of Basal Hydrology on Glacier Sliding and Erosion

NSF Org: OPP
Office of Polar Programs (OPP)
Recipient: UNIVERSITY OF OREGON
Initial Amendment Date: August 27, 2008
Latest Amendment Date: August 27, 2008
Award Number: 0806355
Award Instrument: Standard Grant
Program Manager: William J. Wiseman, Jr.
OPP
 Office of Polar Programs (OPP)
GEO
 Directorate for Geosciences
Start Date: September 1, 2008
End Date: August 31, 2012 (Estimated)
Total Intended Award Amount: $195,799.00
Total Awarded Amount to Date: $195,799.00
Funds Obligated to Date: FY 2008 = $195,799.00
History of Investigator:
  • Alan Rempel (Principal Investigator)
    rempel@uoregon.edu
Recipient Sponsored Research Office: University of Oregon Eugene
1776 E 13TH AVE
EUGENE
OR  US  97403-1905
(541)346-5131
Sponsor Congressional District: 04
Primary Place of Performance: University of Oregon Eugene
1776 E 13TH AVE
EUGENE
OR  US  97403-1905
Primary Place of Performance
Congressional District:
04
Unique Entity Identifier (UEI): Z3FGN9MF92U2
Parent UEI: Z3FGN9MF92U2
NSF Program(s): ANS-Arctic Natural Sciences
Primary Program Source: 0100CYXXDB NSF RESEARCH & RELATED ACTIVIT
Program Reference Code(s): 0000, 1079, OTHR
Program Element Code(s): 528000
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.078

ABSTRACT

The primary goal of the proposed research is to improve understanding of the influence of basal hydrology on glacier sliding and sediment transport. The project will develop quantitative, predictive models for the hydrological networks that underlie soft-bedded glaciers, and examine the implications for glacier sliding and erosion, with a view to incorporation into larger scale glacier and ice sheet simulations. The theoretical work will be complemented by laboratory studies that will inform choices for model parameters, and enable testing of key model predictions. In the laboratory, a 'Hele-Shaw cell' will be used to conduct freezing, solidification and saturation experiments on till at different temperatures and loads. The Broader Impacts include the involvement of a graduate student and several undergraduate students, and the incorporation of the research into 'Geomechanics' and 'Computational Earth Sciences' courses taught by the PI.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Rempel A.W. "Transient effective stress variations forced by changes in conduit pressure beneath glaciers and ice sheets" Annals of Glaciology , v.50(52) , 2009 , p.61
Rempel, AW "A model for the diffusive growth of hydrate saturation anomalies in layered sediments" JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH , v.116 , 2011 View record at Web of Science 10.1029/2011JB00848
Rempel, AW "Frost heave" JOURNAL OF GLACIOLOGY , v.56 , 2010 , p.1122 View record at Web of Science
Rempel, A.W. "Microscopic and environmental controls on the spacing and thickness of segregated ice lenses" Quaternary Research , v.75 , 2011

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