Mass balance of the Greenland ice sheet from 1958 to 2007

TitleMass balance of the Greenland ice sheet from 1958 to 2007
Publication TypeJournal Article
Year of Publication2008
AuthorsRignot, E., Box J. E., Burgess E., & Hanna E.
JournalGeophysical Research Letters
Volume35
Date Published10/2008
Type of ArticleArticle
ISBN Number0094-8276
Accession Numberhttp://apps.isiknowledge.com/InboundService.do?Func=Frame&product=WOS&action=retrieve&SrcApp=EndNote&Init=Yes&SrcAuth=ResearchSoft&mode=FullRecord&UT=000260394200005
Keywordsacceleration; Rignot Lab; Rignot Research Group
Abstract

We combine estimates of the surface mass balance, SMB, of the Greenland ice sheet for years 1958 to 2007 with measurements of the temporal variability in ice discharge, D, to deduce the total ice sheet mass balance. During that time period, we find a robust correlation ( R-2 = 0.83) between anomalies in SMB and in D, which we use to reconstruct a continuous series of total ice sheet mass balance. We find that the ice sheet was losing 110 +/- 70 Gt/yr in the 1960s, 30 +/- 50 Gt/yr or near balance in the 1970s - 1980s, and 97 +/- 47 Gt/yr in 1996 increasing rapidly to 267 +/- 38 Gt/yr in 2007. Multi-year variations in ice discharge, themselves related to variations in SMB, cause 60 +/- 20% more variation in total mass balance than SMB, and therefore dominate the ice sheet mass budget. Citation: Rignot, E., J. E. Box, E. Burgess, and E. Hanna ( 2008), Mass balance of the Greenland ice sheet from 1958 to 2007, Geophys. Res. Lett., 35, L20502, doi: 10.1029/2008GL035417.

URLpub/710
Alternate JournalGeophys. Res. Lett.
ESS Associations
Research Area: 
Physical Climate
Research Lab: 
Rignot Research Group