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ESS 595, Srping 2010
Flow of Wet-Bedded Glaciers Week 1 - Seminal Basal Paper (Kristin)
Observations of Basal Sliding from our very own Blue Glacier (yes, I consider it UW's glacier not the Park Service's!) Kamb, B. and E. LaChapelle. 1964. Direct observation of the mechanism of glacier sliding over bedrock. Journal of Glaciology 5, 159-172. See also review by Peter Knight.
Week 2 - Hydrology (Twila, Peter)
Fountain and Walder, 1998. Water flow through temperate glacier. Focus on section 4 thru 6 (pages 307-318) and section 8 (pages 320-322). Optional: You might also take a look at Rothlisberger's and Shreve's classic papers from the same issue of J. Glac. 1972. Week 3 - Subglacial processes (Josh C., Adam C.)
Garry K.C. Clarke, 2005, SUBGLACIAL PROCESSES, Annual Review of Earth and Planetary Science, 2005.
Week 4 - Boreholes and water transport (Brooke)
Primary reading:
Hubbard, B.P., M.J. Sharp, I.C. Willis, M.K. Nielsen and C.C. Smart, 1995. Borehole water-level variations and the structure of the subglacial hydrological system of Haut Glacier d'Arolla, Valais, Switzerland. Journal of Glaciology, 41(139), 572-583. Also of interest: Gordon, S., Sharp, M., Hubbard, B., Smart, C. C., Ketterling, B., and Willis, I. C., 1998, Seasonal reorganisation of subglacial drainage inferred from measurements in boreholes:Hydrological Processes, v.12, p.105-133. Week 5 - Hard-bedded sliding of alpine glaciers (T.J.)
*** Harper, J. T., N. F. Humphrey, W. T. Pfeffer, Two modes of accelerated sliding. GRL 2007
*** Iken, A., H. Röthlisberger, A. Flotron and W. Haeberli. 1983. The uplift of Unteraargletscher at the beginning of the melt season - a consequence of water storage at the bed? J. Glaciol. 29: 28-47. Week 6 - Ice Sheet Hydrology - Do we know anything?
*** Bell, R. The role of subglacial water in ice sheet mass balance
Week 7 - Sliding Theory
*** Nye 1969 We will read just Nye 1969 this week. Don't get bogged down in the math. Marc recommended these sections are the conceptually most important: 445-449; 1st para 450; 451 to eq14; bottom 452-454 (eq31); mid 454-456; 458-459. If you're feeling up to it, Nye 1970 expands on the thoughts discussed in the 1969 paper.Week 8 - Glacier Surges
Kamb et al., 1985. Glacier Surge Mechanism: 1982-1983 Surge of Variegated Glacier, Alaska. You might also want to read Humphrey and Raymond, 1994 for a more glacier erosion flavor. Week 9 - Ice Streams
Two short papers: ***Engelhardt et al., 1990. Physical Conditions at the Base of a Fast Moving Antarctic Ice Stream ***Alley et al., 1986. Deformation of till beneath ice stream B, West Antarctica. Week 10 - Seismic Observations
Seismic observations of ice stream hydrology. Winberry et al., 2009 |
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