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Professional Paper 1386–A

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Chapter A–4 (Figure 7)

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Figure 7. Monthly average sea-ice concentrations in the Northern Hemisphere for January–December, averaged for the 25-year period from 1979 to 2003. The sea-ice concentrations are derived from data from NASA’s Nimbus 7 Scanning Multichannel Microwave Radiometer (SMMR) and the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager (SSMI).

Figure 7. Monthly average sea-ice concentrations in the Northern Hemisphere for January–December, averaged for the 25-year period from 1979 to 2003. The sea-ice concentrations are derived from data from NASA’s Nimbus 7 Scanning Multichannel Microwave Radiometer (SMMR) and the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager (SSMI).



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