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Abrupt glacier motion and reorganization of basal shear stress following the establishment of a connected drainage system

Dates

Year
2001

Citation

Kavanaugh, J. L., and Clarke, G. K. C., 2001, Abrupt glacier motion and reorganization of basal shear stress following the establishment of a connected drainage system: Journal of Glaciology, v. 47, no. 158, p. 472-480.

Summary

Three episodes of strong basal motion occurred at Trapridge Glacier, Yukon Territory, Canada, on 11 June 1995 following the establishment of a connected subglacial drainage system. Responses to these "spring events" are noted in the records for 42 instruments and were recorded throughout the similar to 60 000 m super(2) study area. Strong basal motion during the events is indicated by ploughmeter, load-bolt and vertical-strain records, and abrupt pressure changes in several transducer records denote damage caused by extreme pressure pulses. These pressure pulses, generated by the abrupt basal motion, also resulted in the failure of seven pressure sensors. Records for pressure, turbidity and conductivity sensors indicate that basal [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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Reference Item
NWBLCC20160627

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme http://dx.doi.org/10.3189/172756501781831972
ISSN http://sciencebase.gov/vocab/identifierScheme 0022-1430, 0022-1430

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