Seasonality of observed and projected changes in the Arctic

Observed (NCEP/NCAR reanalysis) and projected (GCM) 50-year changes

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observed sfc. air temperature surface air temperature
observed sea level pressure sea level pressure
observed precipitation precipitation

Observed (NCEP/NCAR reanalysis) and projected (GCM) 100-year changes

observed sfc. air temperature surface air temperature
observed sea level pressure sea level pressure
observed precipitation precipitation

Observed (NCEP/NCAR reanalysis) and individual GCM (CCC,CSM,ECH,GFD,HAD) projected 100-year changes

observed sfc. air temperature surface air temperature
observed sea level pressure sea level pressure
observed precipitation precipitation