The seasonal cycle of sublimation at Halley, Antarctica
Authors: King, J. C.; Anderson, P. S.; Mann, G. W.
Source: Journal of Glaciology, Volume 47, Number 156, January 2001 , pp. 1-8(8)
Publisher: International Glaciological Society
Abstract:We have used micrometeorological data collected at Halley Research Station, Antarctica, to estimate monthly totals of snow sublimation. Direct sublimation from the snow surface is calculated using bulk-transfer formulae, while the sublimation of blowing snow is estimated using a model for suspended-particle number density and individual particle sublimation rates. During the winter months, sublimation losses are negligible, but between November and March sublimation removes around 25% of the snowfall. Surface sublimation and sublimation of blowing snow make roughly equal contributions to this total. Estimates of sublimation using micrometeorological data agree well with estimates made from daily snow-stake measurements.
Document Type: Research Article
Publication date: January 2001
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