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Ground Water Data Access and Tools

NASA has ground water datasets that help researchers characterize the location and use of ground water . Access a range of data and data tools such as the GRACE(-FO) Data Analysis Tool, AppEEARS, and GRACE Python scripts to make the most of ground water data.

Ground Water Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
JPL GRACE and GRACE-FO Mascon Ocean, Ice, and Hydrology Equivalent Water Height Coastal Resolution Improvement (CRI) Filtered Release 06.3 Version 04 RL06.3Mv04 GRACE-FO, GRACE GRACE-FO MWI, GRACE-FO LRI, GRACE-FO ACC, GRACE-FO SCA, KBR, GRACE LRR, GRACE ACC, GRACE SCA 2002-04-04

N: 90 S: -90 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
JPL GRACE and GRACE-FO Mascon Ocean, Ice, and Hydrology Equivalent Water Height JPL Release 06.3 Version 04 RL06.3Mv04 GRACE-FO, GRACE GRACE-FO MWI, GRACE-FO LRI, GRACE-FO ACC, GRACE-FO SCA, KBR, GRACE LRR, GRACE ACC, GRACE SCA 2002-04-04

N: 90 S: -90 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
JPL GRACE and GRACE-FO Mascon Ocean, Ice, and Hydrology Equivalent Water Height Coastal Resolution Improvement (CRI) Filtered Release 06.1 Version 03 RL06.1Mv03 GRACE-FO, GRACE 2002-04-04

N: 90 S: -90 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
JPL GRACE and GRACE-FO Mascon Ocean, Ice, and Hydrology Equivalent Water Height JPL Release 06.1 Version 03 RL06.1Mv03 GRACE-FO, GRACE 2002-04-04

N: 90 S: -90 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
WLDAS Noah-MP 3.6 Land Surface Model L4 Daily 0.01 degree x 0.01 degree Version D1.0 (WLDAS_NOAHMP001_DA1) at GES DISC D1.0 Noah-MP-LSM NOT APPLICABLE 1979-01-02 to 2024-01-01

N: 52.925 S: 25.065 E: -89.025 W: -124.925

0.01 Decimal Degrees x 0.01 Decimal Degrees
MERRA-2 tavgM_2d_lnd_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXLND) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavgU_2d_lnd_Nx: 2d,diurnal,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TUNXLND) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_lnd_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXLND) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
Sentinel-3A OLCI Regional Binned Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Regional Mapped Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Regional Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
ENVISAT MERIS Regional Binned Inland Waters (ILW) Data, version 5.0 5.0 ENVISAT MERIS 2002-03-21 to 2012-05-09

N: 90 S: -90 E: 180 W: -180

netCDF-4
ENVISAT MERIS Regional Inland Waters (ILW) Data, version 5.0 5.0 ENVISAT MERIS 2002-03-21 to 2012-05-09

N: 90 S: -90 E: 180 W: -180

netCDF-4
ENVISAT MERIS Regional Mapped Inland Waters (ILW) Data, version 5.0 5.0 ENVISAT MERIS 2002-03-21 to 2012-05-09

N: 90 S: -90 E: 180 W: -180

netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Regional Binned Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Regional Mapped Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Regional Binned Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Regional Mapped Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Regional Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3B OLCI 2018-04-25

N: 90 S: -90 E: 180 W: -180

netCDF-4
SWOT Level 4 Sword of Science River Discharge Products, Version 3 3 SWOT KaRIn 2023-03-29 to 2025-05-02

N: 90 S: -90 E: 180 W: -180

netCDF-4
GLDAS Catchment Land Surface Model L4 daily 0.25 x 0.25 degree GRACE-DA1 V2.2 (GLDAS_CLSM025_DA1_D) 2.2 Catchment-LSM NOT APPLICABLE 2003-02-01 to Present

N: 90 S: -60 E: 180 W: -180

0.25 Decimal Degrees x 0.25 Decimal Degrees
Water Security Indicator Model - Global Land Data Assimilation System (WSIM-GLDAS) Monthly Grids, Version 1 1.00 Models Computer 1948-01-01 to 2014-12-31

N: 90 S: -90 E: 180 W: -180

0.25 Decimal Degrees x 0.25 Decimal Degrees netCDF-4, PDF, PNG
Trends in Global Freshwater Availability from the Gravity Recovery and Climate Experiment (GRACE) 1.00 GRACE ACC 2002-01-01 to 2016-12-31

N: 90 S: -90 E: 180 W: -180

0.008333 Decimal Degrees x 0.008333 Decimal Degrees GeoTIFF, PDF, PNG, WMS
NASA Energy and Water cycle Study (NEWS) Annual Climatology of the 1st decade of the 21st Century V1.0 (NEWS_WEB_ACLIM) 1.0 OBSERVATION BASED NOT APPLICABLE 1998-01-01 to 2010-12-31

N: 90 S: -90 E: 180 W: -180

NASA Energy and Water cycle Study (NEWS) Monthly Climatology of the 1st decade of the 21st Century V1.0 (NEWS_WEB_MCLIM) 1.0 OBSERVATION BASED NOT APPLICABLE 1998-01-01 to 2010-12-31

N: 90 S: -90 E: 180 W: -180

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Featured Observation Method: GRACE

The NASA/German Space Agency (DLR) Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-on (GRACE-FO) platforms consists of two identical satellites that work together in orbit. The two satellites follow each other around the planet spaced 137 miles apart. Together hey measure differences in how Earth's gravity pulls on the satellites, which in turn can be used to reveal changes in the mass of water on and under the surface of Earth. The GRACE satellites flew from March 2002 to October 2017 and GRACE–FO satellites have been in space since May 2018.

Learn more about GRACE
NASA's PO.DAAC just released the first public data products from the GRACE-FO mission.

First GRACE-FO Data Now Available

Two datasets from the Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission have just been released by NASA’s PO.DAAC.
2 MIN READ

Ground Water Data Tools

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