| Abstract: | The long-term USGS measurement and reporting of mass balance at South Cascade Glacier was assisted in balance years 2006 and 2007 by a new mass balance model. The model incorporates a temperature-index melt computation and accumulation is modeled from glacier air temperature and gaged precipitation at a remote site. Mass balance modeling was used with glaciological measurements to estimate dates and magnitudes of critical mass balance phenomena. In support of the modeling, a detailed analysis was made of the "glacier cooling effect" that reduces summer air temperature near the ice surface as compared to that predicted on the basis of a spatially uniform temperature lapse rate. The analysis was based on several years of data from measurements of near-surface air temperature on the glacier. The 2006 and 2007 winter balances of South Cascade Glacier, computed with this new, model-augmented methodology, were 2.61 and 3.41 mWE, respectively. The 2006 and 2007 summer balances were -4.20 and -3.63 mWE, respectively, and the 2006 and 2007 net balances were -1.59 and -0.22 mWE. PDF version of a presentation on the mass balance of South Cascade Glacier in Washington state. Presented at the American Geophysical Union Fall Meeting 2010. |
| Genre: | USGS Unnumbered Series |
| ProdID: | 70039772 |
| Citation Author: | Josberger, Edward G.; Bidlake, William R. |
| Citation Contributing Office: | Washington Water Science Center |
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| Citation Language: | English |
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| Citation Number Of Pages: | 1 |
| Citation Online Only Flag: | Y |
| Citation Phsyical Description: | 1 Sheet: 48 x 36 inches |
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| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | Monograph |
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| Citation Search Results Text: | Glacier modeling in support of field observations of mass balance at South Cascade Glacier, Washington, USA; 2010; USGS Unnumbered Series; Josberger, Edward G.; Bidlake, William R. |
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| Citation Year: | 2010 |
| Type: | citation/reference |
| Text: | Glacier modeling in support of field observations of mass balance at South Cascade Glacier, Washington, USA; 2010; USGS Unnumbered Series; Josberger, Edward G.; Bidlake, William R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (DOCUMENT): | http://wa.water.usgs.gov/projects/glacier/data/bidlake_AGU_2010.pdf |
| Date Other: | Sun, 1 Jan 2012 11:59 -0600 |
| Publisher: | U.S. Geological Survey |
