Large-scale patterns and variability of snowmelt and parameterized surface albedo in the Arctic Basin

D. A. Robinson, M. C. Serreze, R. G. Barry, G. Scharfen, G. Kukla

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Visible-band satellite imagery is used to manually map surface brightness changes over sea ice throughout the Arctic Basin from May to mid-August over a 10-yr period. These brightness changes are primarily due to snowmelt atop the ice cover. Snowmelt begins in May in the marginal seas, progressing northward with time, finally commencing near the pole in late June. Large year-to-year differences are found in the timing of melt, exceeding one month in some regions. Parameterized albedo for most regions of the pack ice exceeds 0.70 during May, declines rapidly during June, and reaches a seasonal low of between 0.40 and 0.50 by late July. For August, regional albedos, which also include areas of open water beyond the southern pack ice limit, are up to 0.16 lower than the corresponding values for pack ice areas only. -from Authors

Original languageEnglish (US)
Pages (from-to)1109-1119
Number of pages11
JournalJournal of Climate
Volume5
Issue number10
DOIs
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

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