Document Type

Article

Publication Title

Journal of Glaciology

Publication Date

2003

First Page

223

Last Page

230

Issue Number

165

Volume Number

49

Abstract/ Summary

Repeat airborne laser altimeter measurements are used to derive surface elevation changes on parts of Whillans Ice Stream and Ice Stream C, West Antarctica. Elevation changes are converted to estimates of ice equivalent thickness change using local accumulation rates, surface snow densities and vertical bedrock motions. The surveyed portions of two major tributaries of Whillans Ice Stream are found to be thinning almost uniformly at an average rate of similar to 1 m a(-1). Ice Stream C has a complicated elevation-change pattern, but is generally thickening. These results are used to estimate the contribution of each surveyed region to the current rate of global sea-level rise.

Citation/Publisher Attribution

Spikes, VB, Csatho, BM, Hamilton, GS, and Whillans, IM, 2003, Thickness Changes on Whillans Ice Stream and Ice Stream C, West Antarctica, Derived from Laser Altimeter Measurements: Journal of Glaciology, v. 49, p. 223-230. Available on publisher's site at: http://www.ingentaconnect.com/content/igsoc/jog/2003/00000049/00000165/art00008

Publisher Statement

© Copyright 2003 by the International Glaciological Society

DOI

10.3189/172756503781830683

Version

publisher's version of the published document

Share