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Record #112082:
- #112082
Main publication details
MARC recordHydrologic influence in the calving and retreat of Columbia Glacier, Alaska / Mark A. Fahnestock.
| Title: | Hydrologic influence in the calving and retreat of Columbia Glacier, Alaska / Mark A. Fahnestock. |
| Author(s): | Fahnestock, Mark A. |
| Date: | 1991. |
| In: | Eos : transactions, American Geophysical Union. (1991.), Vol. 72(44, supplement) (1991) |
| Abstract: | AGU Fall Meeting Program and Abstracts, December 9-13, 1991. Describes model which illustrates effect of hydrologically determined sliding velocities in terminal reach of glacier. Model is based on calculation of sliding velocities from conventional sliding law and pressure distribution imposed by discharge through Röthlisberger tunnel. Model produces advance of glacier when low (winter) water discharge is used, and delayed pulse of high velocity (and thinning and calving) when high (summer) discharge is assumed. Discusses thinning and lack of thinning in terminal reach, to which different behaviours are related. |
| Notes: | Eos : transactions, American Geophysical Union. Vol. 72(44, supplement) :158 (1991). |
| Keywords: | 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.22 -- Glaciers. 551.324.433 -- Land ice, ablation and calving: Columbia Glacier. 551.324.54 -- Land ice, flow of particular glaciers. 551.324.86 -- Glacier streams. E5 -- Glaciology: land ice. (*49) -- Alaska. (*491) -- Alaska, southcentral and southwest. |
| SPRI record no.: | 112082 |
LDR 01693naa#a2200000#a#4500 001 SPRI-112082 005 20231210082427.0 007 ta 008 231210s1991####xx####|##|###|0||#0|eng#d 035 ## ‡aSPRI-112082 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aFahnestock, Mark A. 245 10 ‡aHydrologic influence in the calving and retreat of Columbia Glacier, Alaska /‡cMark A. Fahnestock. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 158. 500 ## ‡aEos : transactions, American Geophysical Union. Vol. 72(44, supplement) :158 (1991). 520 3# ‡aAGU Fall Meeting Program and Abstracts, December 9-13, 1991. Describes model which illustrates effect of hydrologically determined sliding velocities in terminal reach of glacier. Model is based on calculation of sliding velocities from conventional sliding law and pressure distribution imposed by discharge through Röthlisberger tunnel. Model produces advance of glacier when low (winter) water discharge is used, and delayed pulse of high velocity (and thinning and calving) when high (summer) discharge is assumed. Discusses thinning and lack of thinning in terminal reach, to which different behaviours are related. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.22 -- Glaciers.‡2udc 650 07 ‡a551.324.433 -- Land ice, ablation and calving: Columbia Glacier.‡2udc 650 07 ‡a551.324.54 -- Land ice, flow of particular glaciers.‡2udc 650 07 ‡a551.324.86 -- Glacier streams.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*49) -- Alaska.‡2udc 651 #7 ‡a(*491) -- Alaska, southcentral and southwest.‡2udc 773 0# ‡7nnas ‡tEos : transactions, American Geophysical Union. ‡gVol. 72(44, supplement) (1991) ‡wSPRI-1028 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231210