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Freeze/Thaw Data Access and Tools

Data from NASA range from daily composites of global landscape freeze/thaw conditions to daily thaw state maps of Boreal and Arctic Alaska. Our datasets and tools help users find and integrate the data they need to measure and understand freezing and thawing processes within Earth’s cryosphere.

Freeze/Thaw Datasets

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Dataset Platforms Instruments Temporal Extent Location Keywords Spatial Extent Data Format
ABoVE: Active Layer Thickness from Remote Sensing Permafrost Model, Alaska, 2001-2015 SATELLITES, SMAP MODIS, SMAP L-BAND RADAR 2001-01-01 to 2015-12-31 ALASKA N: 70.214 S: 55.5667 E: -132.576 W: -179.18 netCDF-4 classic
Aquarius L3 Weekly Polar-Gridded Landscape Freeze/Thaw Data V005 SAC-D AQUARIUS_RADIOMETER 2011-08-25 to 2015-06-04 ARCTIC N: 87.4 S: 50 E: 180 W: -180 HDF
BOREAS Follow-On DSP-04 1994 ERS-1 Level-4 Landscape Freeze/Thaw Maps, Ver. 1.0 ERS-1 AMI 1994-02-14 to 1994-12-14 N: 60 S: 48 E: -90 W: -111 Binary
BOREAS RSS-17 1994 ERS-1 Level-3 Freeze/Thaw Backscatter Change Images ERS-1 SAR 1994-01-03 to 1994-03-19 N: 59.98 S: 50.09 E: -93.5 W: -111 Binary
CARVE: Daily Thaw State of Boreal and Arctic Alaska from AMSR-E and SSM/I, 2003-2014 ADEOS-II, DMSP AMSR-E, SSM/I 2003-01-01 to 2014-12-31 N: 74.399 S: 46.9946 E: -106.947 W: -179.999 netCDF-4
High Mountain Asia ASCAT Freeze/Thaw/Melt Status V001 MetOP ASCAT 2009-01-01 to 2017-10-12 HIMALAYAS N: 44.683 S: 19.125 E: 105.577 W: 63.427 PNG, HDF5, GeoTIFF
SMAP Enhanced L3 Radiometer Global and Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State V004 SMAP SMAP L-BAND RADIOMETER 2015-03-31 to Present GLOBAL, NORTHERN HEMISPHERE N: 85.044 S: -85.044 E: 180 W: -180 HDF5
SMAP L3 Radar Northern Hemisphere Daily 3 km EASE-Grid Freeze/Thaw State V003 SMAP SMAP L-BAND RADAR 2015-04-13 to 2015-07-07 NORTHERN HEMISPHERE N: 85.044 S: 45 E: 180 W: -180 HDF5
SMAP L3 Radiometer Global and Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State V004 SMAP SMAP L-BAND RADIOMETER 2015-03-31 to Present GLOBAL, NORTHERN HEMISPHERE N: 85.044 S: 45 E: 180 W: -180 HDF5
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