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Cover image from WRIR95-4277 (click for enlargement, 275 KB)Mass Balance, Meteorological, Ice Motion, Surface Altitude, and Runoff Data at Gulkana Glacier, Alaska, 1992 Balance Year

by Rod S. March and Dennis C. Trabant

U.S. GEOLOGICAL SURVEY
Water-Resources Investigations Report 95-4277

ABSTRACT

The 1992 measured winter snow, maximum winter snow, net, and annual balances in the Gulkana Glacier basin were evaluated on the basis of meteorological, hydrological, and glaciological data measured in the basin and are reported herein. Averaged over the glacier, the measured winter snow balance was 0.97 meters on March 26, 1992; the maximum winter snow balance was 1.05 meters on May 19, 1992; the net balance (from September 8, 1991 to August 17, 1992) was -0.29 meters; and the annual balance (October 1, 1991 to September 30, 1992) was -0.38 meters. Ice surface, motion, and altitude changes measured at three index sites document seasonal changes in ice speed and glacier thickness. Annual stream runoff was 1.24 meters averaged over the basin.


March, R.S., and Trabant, D.C., 1996, Mass balance, meteorological, ice motion, surface altitude, and runoff data at Gulkana Glacier, Alaska, 1992 balance year: U.S. Geological Survey Water-Resources Investigations Report 95-4277, 32 p.


pdficon.gif (224 bytes)   [Full Report, Acrobat PDF (723KB)]

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Maintainer: Rod March
Last update: Monday, December 27, 2010 05:06 PM
URL: http://ak.water.usgs.gov/glaciology/gulkana/reports/wrir95-4277/