Data Sources

Data and Images

  • Arctic and Subarctic, July 2004 (Blue Marble: Next Generation, satellite: NASA Terra/Aqua, sensor: MODIS)
  • Sea ice July 1979 and July 2006 (National Snow and Ice Data Center, satellites: Nimbus-7/ Scanning Multichannel Microwave Radiometer [1979] and DMSP/Special Sensor Microwave Imager [2006])
  • Hudson Bay July 11, 2006 (satellite: NASA Aqua, sensor: MODIS)
  • Polar bear alone (Joel Garlich-Miller, USFWS)
  • Polar bears, Hudson Bay (R&C Buchanan, www.polarbearsinternational.org)