Mean sea ice anomalies, 1953-2007: Passive microwave-derived (Scanning Multichannel Microwave Radiometer and Special Sensor Microwave/Imager) sea ice extent departures from monthly means for the Northern Hemisphere, January 1953 to September 2007.
{{Information |Description=Mean sea ice anomalies, 1953-2007: Passive microwave-derived (Scanning Multichannel Microwave Radiometer and Special Sensor Microwave/Imager) sea ice extent departures from monthly means for the Northern Hemisphere, January 1953