The National Oceanographic and Atmospheric Administration today released the 2011Arctic Report Card, an annual compilation of scientific observations of the changing Arctic region.
NSIDC scientist Walt Meier co-wrote the section on Arctic sea ice. Arctic sea ice extent was the second-lowest in the satellite record this fall, continuing a downward trend in ice extent seen over the last 30 years. In addition to changing sea ice, the report chronicles warmer-than-average air temperatures in the Arctic, increasing vegetation on northern land, and acidification of the Arctic Ocean as it absorbs carbon dioxide from the atmosphere. For more information, visit the NOAA Arctic Report Card Web site.
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