Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20. Suomi NPP data announcement

Soil Moisture/Water Content Data Access and Tools

NASA has soil moisture and water content datasets that help researchers characterize the condition of soil around the world. Access a range of data and data tools such as the Soil Moisture Visualizer, Crop Condition and Soil Moisture Analytics (Crop-CASMA), and AppEEARS to make the most of soil moisture data.

Soil Moisture/Water Content Datasets

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Dataset Sort descending	Version	Platform	Instrument	Temporal Extent	Spatial Extent	Spatial Resolution	Data Format
Post-fire Recovery of Soil Organic Layer Carbon in Canadian Boreal Forests, 2015-2018	1	FIELD SURVEYS	VISUAL OBSERVATIONS, CHN ANALYZERS, CORING DEVICES	2015-06-11 to 2018-08-24	N: 68.3256 S: 59.7883 E: -104.194 W: -132.671		CSV
Pre-ABoVE: Active Layer Thickness and Soil Water Content, Barrow, Alaska, 2013	1	FIELD INVESTIGATION, FIELD SURVEYS	Computer, GPR	2013-08-10 to 2013-08-15	N: 71.388 S: 71.027 E: -155.772 W: -157.266		CSV
Pre-LBA Anglo-Brazilian Amazonian Climate Observation Study (ABRACOS) Data	1.1	FIELD INVESTIGATION	PSYCHROMETERS, ANEMOMETERS	1991-01-01 to 1996-12-31	N: 5 S: -18 E: -46 W: -75		CSV
SAFARI 2000 Derived Soil Properties, 0.5-Deg (ISRIC-WISE)	1	FIELD INVESTIGATION	PH METERS	1950-01-01 to 1995-12-31	N: 5 S: -35 E: 60 W: 5		multiple
SAFARI 2000 Kalahari Transect CO2, Water Vapor, and Heat Flux, Wet Season 2000	1	FIELD INVESTIGATION, FIXED OBSERVATION STATIONS	TDR, THERMOCOUPLES, SOIL HEAT FLUX TRANSDUCER, INFRARED THERMOMETERS, TEMPERATURE SENSORS, SONIC ANEMOMETER, IR CO2 ANALYZER, NET RADIOMETERS, HUMIDITY SENSORS	2000-03-01 to 2000-03-19	N: -15.438 S: -24.164 E: 23.594 W: 21.713		Shapefile
SAFARI 2000 Meteorological and Flux Tower Measurements in Maun, Botswana, 2000	1	FIXED OBSERVATION STATIONS, FIELD INVESTIGATION	PYRANOMETERS, IRGA, PRESSURE TRANSDUCERS, TEMPERATURE PROBES, RTD, ANEMOMETERS, LICOR QUANTUM SENSOR, RAIN GAUGES, HUMIDITY SENSORS, SOIL MOISTURE PROBE, THERMOMETERS	2000-02-01 to 2000-09-30	N: -19.9 S: -19.9 E: 23.55 W: 23.55		Shapefile
SAFARI 2000 Selected Soil Characteristics, 10-km Grid (IGBP-DIS)	1	NOT APPLICABLE	NOT APPLICABLE	1995-01-01 to 1996-12-31	N: 5 S: -35 E: 60 W: -5		ASCII
SAFARI 2000 Soil Profile Data (ISRIC-WISE)	1	NOT APPLICABLE	NOT APPLICABLE	1950-01-01 to 1995-12-31	N: 5 S: -35 E: 60 W: 5		Text File
SAFARI 2000 Soil Properties, Moisture, and Temp., Skukuza and Mongu, 1999-2001	1	FIELD INVESTIGATION	INFRARED THERMOMETERS, THERMISTORS, TDR, THERMOCOUPLES	1999-08-19 to 2001-12-31	N: -15.4383 S: -25.02 E: 31.4678 W: 23.2527		Shapefile
SiB4 Modeled Global 0.5-Degree Daily Carbon Fluxes and Pools, 2000-2018	1	MODELS	Computer	2000-01-01 to 2018-12-31	N: 90 S: -90 E: 180 W: -180		netCDF-4 classic
SiB4 Modeled Global 0.5-Degree Monthly Carbon Fluxes and Pools, 2000-2018	1	MODELS	Computer	2000-01-01 to 2018-12-31	N: 90 S: -90 E: 180 W: -180		netCDF-4 classic
Site Averaged Gravimetric Soil Moisture: 1987 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1987-05-20 to 1987-11-06	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Gravimetric Soil Moisture: 1987-1989 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1987-05-20 to 1989-08-12	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Gravimetric Soil Moisture: 1988 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1988-04-11 to 1988-10-21	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Gravimetric Soil Moisture: 1989 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1989-07-19 to 1989-08-12	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Neutron Soil Moisture: 1987 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1987-05-28 to 1987-11-06	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Neutron Soil Moisture: 1987-1989 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1987-05-28 to 1989-08-08	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Neutron Soil Moisture: 1988 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1988-04-11 to 1988-10-21	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
Site Averaged Neutron Soil Moisture: 1989 (Betts)	1	NOT APPLICABLE	NOT APPLICABLE	1989-07-07 to 1989-08-07	N: 39.1161 S: 38.9753 E: -96.447 W: -96.611		CSV
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V001	001	SMAP	SMAP L-BAND RADAR	2015-03-31 to 2018-06-04	N: 85.044 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V002	002	SMAP	SMAP L-BAND RADAR	2015-03-31 to 2019-08-13	N: 85.044 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V003	003	SMAP	SMAP L-BAND RADIOMETER	2015-03-31 to 2020-08-27	N: 85.044 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V004	004	SMAP	SMAP L-BAND RADIOMETER	2015-03-31 to 2021-10-28	N: 85.044 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V005	005	SMAP	SMAP L-BAND RADIOMETER	2015-03-31 to 2023-12-04	N: 90 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V006	006	SMAP	SMAP L-BAND RADIOMETER	2015-03-31 to Present	N: 90 S: -85.044 E: 180 W: -180	9 Kilometers x 9 Kilometers	HDF5

Featured Observation Method: SMAP

The Soil Moisture Active-Passive (SMAP) platform is a satellite that measures the surface moisture and freeze-thaw state of soil around the world approximately every three days. SMAP data contributes to understanding regional water cycles, ecosystem productivity, and natural processes involving water, energy, and carbon. SMAP's high-resolution data are helpful for weather, flood, and drought forecasting, and predicting agricultural productivity.

16 New SMAP Products Now Available

GIBS now has Soil Moisture Active Passive (SMAP) layers available for soil moisture and temperature, snow mass, heterotrophic respiration, and more.

Earthdata graphic identifier on top of satellite image of Earth

Don't Pass the Salt! NASA's Salinity Mission Continues with SMAP

This webinar will compare sea surface salinity data collected by the Aquarius and SMAP missions. We will showcase data visualization and data access tools available through NASA's Physical Oceanography Distributed Active Archive Center.

SMAP's rotating golden antenna functions like a satellite dish to focus radio waves from Earth's surface into a collector on the spacecraft

Rounding up Data with a Golden Lasso: Getting Soil Moisture Data from SMAP to DAAC

NASA's SMAP team turns raw satellite data into more than a dozen data products for data users around the world.

9 MIN READ

ASF Providing SMAP Ground Support, Data Distribution

Feature article describing NASA's SMAP mission and the roles that ASF DAAC will play with distributing the SAR data.

Soil Moisture/Water Content Data Tools

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Tool Sort descending	Description	Services
Vertex	Vertex is a graphical search interface for finding synthetic aperture radar (SAR) data.	Search and Discovery, Access, Downloading, Processing, Subsetting

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