Polar Climate: Arctic sea ice

Bulletin of the American Meteorological Society
By: , and 



Recent decreases in snow and sea ice cover in the high northern latitudes are among the most notable indicators of climate change. Northern Hemisphere sea ice extent for the year as a whole was the third lowest on record dating back to 1973, behind 1995 (lowest) and 1990 (second lowest; Hadley Center–NCEP). September sea ice extent, which is at the end of the summer melt season and is typically the month with the lowest sea ice extent of the year, has decreased by about 19% since the late 1970s (Fig. 5.2), with a record minimum observed in 2002 (Serreze et al. 2003). A record low extent also occurred in spring (Chapman 2005, personal communication), and 2004 marked the third consecutive year of anomalously extreme sea ice retreat in the Arctic (Stroeve et al. 2005). Some model simulations indicate that ice-free summers will occur in the Arctic by the year 2070 (ACIA 2004).

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Polar Climate: Arctic sea ice
Series title Bulletin of the American Meteorological Society
Volume 86
Issue 6
Year Published 2005
Publisher American Meteorological Society
Contributing office(s) Alaska Science Center
Description 3 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title State of the climate in 2004
First page 39
Last page 41
Online Only (Y/N) N
Additional Online Files (Y/N) N
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