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Record #112081:

Geometry, bed topography and drainage system structure of the Haut Glacier d'Arolla, Switzerland / Martin J. Sharp.

Title: Geometry, bed topography and drainage system structure of the Haut Glacier d'Arolla, Switzerland / Martin J. Sharp.
Author(s): Sharp, Martin J.
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. Mapped by combined ground survey and radio echo-sounding techniques. Data were used to construct form of subglacial hydraulic equipotential surface, and to map expected patterns of subglacial water flow across bedrock topography in conditions of open channel flow, and equipotential surface assuming closed channel flow. Results compared with maps of subglacial catchment structure produced on basis of patterns of dye return. Latter agrees closely with results from equipotential surface, suggesting that channels develop initially as closed conduits.
Notes:

Eos : transactions, American Geophysical Union. Vol. 72(44, supplement) :158 (1991).

Keywords: 551.32 -- Glaciology.
551.324 -- Land ice.
551.324.22 -- Glaciers.
551.324.86 -- Glacier streams: Arolla, Haut Glacier d'.
.000(410) -- British author.
E11 -- Glaciology: glaciohydrology.
(494) -- Switzerland.
(234.3) -- Alps.
SPRI record no.: 112081

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245 10 ‡aGeometry, bed topography and drainage system structure of the Haut Glacier d'Arolla, Switzerland /‡cMartin J. Sharp.
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520 3# ‡aAGU Fall Meeting Program and Abstracts, December 9-13, 1991. Mapped by combined ground survey and radio echo-sounding techniques. Data were used to construct form of subglacial hydraulic equipotential surface, and to map expected patterns of subglacial water flow across bedrock topography in conditions of open channel flow, and equipotential surface assuming closed channel flow. Results compared with maps of subglacial catchment structure produced on basis of patterns of dye return. Latter agrees closely with results from equipotential surface, suggesting that channels develop initially as closed conduits.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.324.22 -- Glaciers.‡2udc
650 07 ‡a551.324.86 -- Glacier streams: Arolla, Haut Glacier d'.‡2udc
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡aE11 -- Glaciology: glaciohydrology.‡2local
651 #7 ‡a(494) -- Switzerland.‡2udc
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