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Evapotranspiration Data Access and Tools

NASA has evapotranspiration datasets that help researchers characterize how water is evaporating from land and vegetation. Access a range of data and data tools such as OpenET, AppEEARS, and Soil Moisture Visualizer to make the most of evapotranspiration data.

Evapotranspiration Datasets

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Dataset Version Platforms Instruments Temporal Extent Spatial Extent Spatial Resolution Data Format
VIIRS/NPP Actual and Potential Evapotranspiration 8-Day L4 Global 500m SIN Grid V002 002 Suomi-NPP VIIRS 2025-01-01 to Present

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

500 Meters x 500 Meters HDF-EOS5
ECOSTRESS Gridded Evapotranspiration Instantaneous and Daytime L3 Global 70 m V002 002 ISS ECOSTRESS 2018-07-10 to Present

N: 54 S: -54 E: 180 W: -180

70 Meters x 70 Meters HDF5
ECOSTRESS Gridded Evaporative Stress Index disALEXI 24-Hour L4 CONUS 70 m V002 002 ISS ECOSTRESS 2018-07-15 to Present

N: 52 S: 23 E: -65 W: -127

HDF5
VIIRS/JPSS1 Actual and Potential Evapotranspiration Gap-Filled 8-Day L4 Global 500m SIN Grid V002 002 NOAA-20 VIIRS 2018-01-01 to Present

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

500 Meters x 500 Meters HDF-EOS5
VIIRS/NPP Actual and Potential Evapotranspiration Gap-Filled 8-Day L4 Global 500m SIN Grid V002 002 Suomi-NPP VIIRS 2012-01-01 to Present

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

500 Meters x 500 Meters HDF-EOS5
ECOSTRESS Gridded Evapotranspiration disALEXI 24-Hour L3 CONUS 70 m V002 002 ISS ECOSTRESS 2018-07-15 to Present

N: 52 S: 23 E: -65 W: -127

HDF5
FLDAS Noah Land Surface Model L4 Global Monthly 0.1 x 0.1 degree (GDAS and CHIRPS-PRELIM) V001 (FLDAS_NOAH01_CP_GL_M) at GES DISC 001 Noah-LSM NOT APPLICABLE 2019-01-01 to Present

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

FLDAS Noah Land Surface Model L4 Global Monthly 0.1 x 0.1 degree (MERRA-2 and CHIRPS) V001 (FLDAS_NOAH01_C_GL_M) at GES DISC 001 Noah-LSM NOT APPLICABLE 1982-01-01 to Present

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

FLDAS Noah Land Surface Model L4 Global Monthly Anomaly 0.1 x 0.1 degree (MERRA-2 and CHIRPS) V001 (FLDAS_NOAH01_C_GL_MA) at GES DISC 001 Noah-LSM NOT APPLICABLE 1982-01-01 to Present

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

FLDAS Noah Land Surface Model L4 Global Monthly Climatology 0.1 x 0.1 degree (MERRA-2 and CHIRPS) V001 (FLDAS_NOAH01_C_GL_MC) at GES DISC 001 Noah-LSM NOT APPLICABLE 1982-01-01 to 2016-12-31

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

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Featured Evapotranspiration Observation Method: ECOSTRESS
The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) instrument measures the temperature of plants across Earth to assess the loss of water through the tiny stomata pores in their leaves. This loss of water through leaves is a key component evapotranspiration. Plants regulate their temperature by releasing water through stomata. Insufficient water availability will cause the temperatures of plants to rise, which can be measured with ECOSTRESS. The instrument can scan the entire Earth in seven days and with enough detail to determine the temperature of an individual farmer's field. The data is used to create the Evaporative Stress Index (ESI), a leading drought indicator and valuable resource for decision-makers.
Learn more about ECOSTRESS
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Evapotranspiration Data Tools

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