Terrestrial Hydrosphere Data Access and Tools

NASA data examine many characteristics of the liquid and frozen water and the dynamic processes they are part of across Earth’s landscape. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.

Dataset	Geographic Region	Temporal Extent	Data Format	Potential Application Areas	Related Subtopics
ALOS PALSAR High Resolution Radiometric Terrain Corrected Product	Global	2006-03-23 to 2011-04-22		Detailed wetland classification and monitoring	glaciers/ ice sheets, surface water
GLDAS Noah Land Surface Model L4 3 hourly 0.25 x 0.25 degree V2.1	Global Land	2000-01-01 to Present	NetCDF	Hydrological cycle research and water resource management Flood forecasting and monitoring	ground water, surface water
GPM IMERG Final Precipitation L3 Half Hourly 0.1 degree x 0.1 degree V07	Global	1998-01-01 to Present	HDF5	High-resolution precipitation monitoring globally Extreme rainfall event detection and analysis Hydrological modeling and flood forecasting	surface water
MERRA-2 tavg1_2d_flx_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Surface Flux Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXFLX)	Global	1980-01-01 to Present	NetCDF	Surface energy balance studies and monitoring Evaporation and precipitation pattern analysis Hydrological cycle component analysis	snow/ ice
NASA Shuttle Radar Topography Mission Global 1 arc second V003	Global Land	2000-02-11 to 2000-02-21	HGT	Hydrological modeling and watershed delineation Flood risk assessment	surface water
OPERA Surface Displacement from Sentinel-1 validated product (Version 1)	Global	2016-07-01 to Present	NetCDF-4 XML PNG Zarr	Ground subsidence monitoring in urban areas and infrastructure Aquifer depletion impact assessment	glaciers/ ice sheets, ground water
SENTINEL-1A_SLC	Global	2014-04-03 to Present		Interferometric analysis for surface deformation detection Coherence-based change detection Polarimetric analysis for target characterization Development of advanced SAR processing algorithms Time-series analysis for subtle change detection	glaciers/ ice sheets, snow/ ice, surface water
SENTINEL-1B_SLC	Global	2016-04-25 to 2021-12-24		High-resolution deformation mapping with interferometry Coherence analysis for subtle change detection Polarimetric target characterization Glacier velocity measurement and ice monitoring Time-series analysis for seasonal change patterns	glaciers/ ice sheets, snow/ ice, surface water
Sentinel-1C Dual Polarization High Resolution Ground Range Detected Product	Global	2025-01-01 to Present	SAFE	Wetland extent mapping and flood monitoring	glaciers/ ice sheets, surface water

Terrestrial Hydrosphere Datasets

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Dataset Sort descending	Version	Platforms	Instruments	Temporal Extent	Spatial Extent	Spatial Resolution	Data Format
Maps of Vegetation, NDVI, Snow and Thaw Depths: North Slope, Alaska and NWT, Canada	1	FIELD SURVEYS, FIELD INVESTIGATION	VISUAL OBSERVATIONS, SPECTROMETERS, SNOW MEASURING ROD	2000-08-01 to 2012-12-31	N: 78.7857 S: 68.3617 E: -103.552 W: -148.852		multiple
MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status V005	5	DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, FY-3B, GCOM-W1, Nimbus-7	SSM/I, SSMIS, MWRI, AMSR2, SMMR	1979-01-01 to 2023-12-31	N: 86.7167 S: -86.7167 E: 179.9999 W: -179.9999	25 Kilometers x 25 Kilometers	HDF5, GIF, GeoTIFF
MEaSUREs Greenland Surface Melt Daily 25km EASE-Grid 2.0 V001	1	DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, Nimbus-7	SSM/I, SSMIS, SMMR	1979-01-02 to 2012-12-31	N: 90 S: 0 E: 180 W: -180	25 Kilometers x 25 Kilometers	netCDF-4
MEaSUREs InSAR-Based Ice Velocity Maps of Central Antarctica: 1997 and 2009 V001	1	RADARSAT-1, RADARSAT-2	SAR	1997-09-09 to 1997-10-20, 2009-01-01 to 2009-12-31	N: -72 S: -90 E: 180 W: -180	900 Meters x 900 Meters	netCDF-3, Binary, ASCII
MEaSUREs ITS_LIVE Antarctic Quarterly 1920 m Ice Shelf Height Change and Basal Melt Rates, 1992-2017 V001	1	CRYOSAT-2, ENVISAT, ERS-1, ERS-2	SIRAL, RA-2, RA	1992-03-17 to 2017-12-16	N: -54 S: -90 E: 180 W: -180	1920 Meters x 1920 Meters	netCDF-4
MEaSUREs Northern Hemisphere State of Cryosphere Daily 25km EASE-Grid 2.0 V001	1	DMSP 5D-2/F13, DMSP 5D-3/F17, Terra	SSM/I, SSMIS, MODIS	1999-01-01 to 2012-12-31	N: 90 S: 0 E: 180 W: -180	25 Kilometers x 25 Kilometers	netCDF-4
MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Daily 25km EASE-Grid 2.0 V001	1	DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, Terra	SSM/I, SSMIS, MODIS	1999-01-01 to 2012-12-31	N: 90 S: 0 E: 180 W: -180	25 Kilometers x 25 Kilometers	netCDF-4
MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Weekly 100km EASE-Grid 2.0 V001	1	DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, Nimbus-7	SSM/I, SSMIS, SMMR	1966-10-04 to 2012-12-31	N: 90 S: 0 E: 180 W: -180	100 Kilometers x 100 Kilometers	netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Global Binned CyAN Project, True Color (TC) Data, version 5.0	5.0	Sentinel-3A, Sentinel-3B	OLCI	2016-04-25	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

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Terrestrial Hydrosphere Data Tools

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Tool Sort descending	Description	Services
VEDA	NASA's Visualization, Exploration, and Data Analysis (VEDA) project is an open-source science cyberinfrastructure for data processing, visualization, exploration, and geographic information systems (GIS) capabilities.	Access, Analysis, Processing, Visualization, Geoprocessing
WISP	The Water Information from Space (WISP) is an interactive dashboard for displaying satellite hydrology data.	Monitoring Natural Events, Visualization
Worldview	Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data.	Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events

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Terrestrial Hydrosphere Data Access and Tools

Commonly Used Datasets for Terrestrial Hydrosphere Applications

Terrestrial Hydrosphere Datasets

Terrestrial Hydrosphere Data Tools

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