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Abstract
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).
| 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 supp |
| Year Published | 2005 |
| Language | English |
| Publisher | American Meteorological Society |
| Contributing office(s) | Alaska Science Center |
| Description | 3 p. |
| First page | S39 |
| Last page | S41 |
| Country | Canada, Russia, United States |
| Other Geospatial | Arctic |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |