Level 1( Grided products from SMAP level 1 converters at the NSIDC DAAC. HEG Stand-alone does not process Level 1 data downloaded without conversion from NSIDC.)

  • SPL1CTB = SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures
  • SPL1CTB_E = SMAP Enhanced Resolution L1C Radiometer Half-Orbit 9 km EASE-Grid Brightness Temperatures

Level 2( Grided products from SMAP level 2 converters at the NSIDC DAAC. HEG Stand-alone does not process Level 2 data downloaded without conversion from NSIDC.)

  • SPL2SMA = SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture
  • SPL2SMAP = SMAP L2 Radar/Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture
  • SPL2SMP = SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture
  • SPL2SMP_E = SMAP Enhanced Resolution L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture
  • SPL2SMAP_S = Combined SMAP and Sentinel data for high-resolution Soil Moisture product

Level 3

  • SPL3FTA = SMAP L3 Radar Northern Hemisphere Daily 3 km EASE-Grid Freeze/Thaw State
  • SPL3FTP = SMAP L3 Radiometer Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State
  • SPL3FTP_E = SMAP Enhanced Resolution L3 Radiometer Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State
  • SPL3SMA = SMAP L3 Radar Global Daily 3 km EASE-Grid Soil Moisture
  • SPL3SMP = SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture
  • SPL3SMAP = SMAP L3 Radar/Radiometer Global Daily 9 km EASE-Grid Soil Moisture
  • SPL3SMP = SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture
  • SPL3SMP_E = SMAP Enhanced Resolution L3 Radiometer Global Daily 9 km EASE-Grid Soil Moisture

Level 4

  • SPL4SMAU = SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Analysis Update
  • SPL4SMGP = SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Geophysical Data
  • SPL4SMLM = SMAP L4 Global 9 km Surface and Rootzone Soil Moisture Land Model Constants
  • SPL4CMDL = SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange
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