| NSF Org: |
EAR Division Of Earth Sciences |
| Recipient: |
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| Initial Amendment Date: | March 27, 1997 |
| Latest Amendment Date: | September 14, 1998 |
| Award Number: | 9614854 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Thomas O. Wright
EAR Division Of Earth Sciences GEO Directorate for Geosciences |
| Start Date: | April 15, 1997 |
| End Date: | November 12, 1998 (Estimated) |
| Total Intended Award Amount: | $24,237.00 |
| Total Awarded Amount to Date: | $24,237.00 |
| Funds Obligated to Date: |
FY 1998 = $6,069.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
107 S INDIANA AVE BLOOMINGTON IN US 47405-7000 (317)278-3473 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
107 S INDIANA AVE BLOOMINGTON IN US 47405-7000 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): |
SCEC, GLOBAL CHANGE |
| Primary Program Source: |
app-0198 |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.050 |
ABSTRACT
9614854 Clark We propose a comprehensive study of a rock glacier at Galena Creek in the Absaroka Mountains, northwestern Wyoming, to determine the potential of rock glaciers as sources for ice-core paleoclimate records. The Galena Creek rock glacier is one of the most easily-accessible and well-studied glaciological techniques to the Galena Creek rock glacier to determine mass balance, flow characteristics, and internal composition and chemistry. Rock glaciers are ubiquitous features in arctic and alpine regions, yet they have been largely ignored by glaciologists, in part because of the widely-held belief that they are essentially ice-cemented talus. We have demonstrated previously that the Galena Creek rock glacier contains remnant glacier ice that can be retrieved by ice-core drilling. Our project draws on the combined expertise of two glacial-geologists (NP and DC) who have worked extensively with rock glaciers, an ice-core geochemist (ES), and two glaciologists (WP and NH). Geophysics work will include drilling of several boreholes (40-60 meters depth) for deformation measurements, measurement of surface velocities, and retrieval of ice cores. Ice cores will be analyzed for stable isotopes ((18O and (D), electrical conductivity, and visual stratigraphy. Expected results of this work include 1) improved understanding of the climatic context of rock glaciers and 2) evaluation of a new and potentially powerful source of ice-core paleoclimate data.
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