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Arctic
10
Geophysics
10
Hydrology
International Polar Year
10
Pan Arctic
10
Permafrost
10
Reginald Muskett
Remote Sensing
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Sub-Arctic
10
Thermal State of Permafrost
World
Climate Change
7
DMSP
4
Snow Water Equivalent
4
Active Layer
3
Climate change
3
GRACE
3
Gravity Field Changes
3
Groundwater Changes
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Land Surface Temperature
3
MODIS
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Satellite Geodesy
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Surface Water Changes
3
Water Equivalent Mass Changes
3
Water Equivalent Thickness Changes
3
SMMR
2
SSM/I
2
Scanning Multichannel Microwave Radiometer
2
Special Scanning Microwave/Imager
2
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