OpenET
Datasets: OpenET CONUS Monthly Evapotranspiration v2.0
Description: The OpenET dataset includes satellite-based data on the total amount of water that is transferred from the land surface to the atmosphere through the process of evapotranspiration (ET). OpenET provides ET data from multiple satellite-driven models, and also calculates a single "ensemble value" from the model ensemble. The models currently included in the OpenET model ensemble are ALEXI/DisALEXI, eeMETRIC, geeSEBAL, PT-JPL, SIMS, and SSEBop. The OpenET ensemble ET value is calculated as the mean of the ensemble after filtering and removing outliers using the median absolute deviation approach. All models currently use Landsat satellite data to produce ET data at a pixel size of 30 meters by 30 meters (0.22 acres per pixel). The monthly ET dataset provides data on total ET by month as an equivalent depth of water in millimeters.
Organization: OpenET, Inc
Website: OpenET page
Google Earth Engine:
- OpenET Ensemble (OpenET/ENSEMBLE/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET geeSEBAL (OpenET/GEESEBAL/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET SIMS (OpenET/SIMS/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET PT-JPL (OpenET/PTJPL/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET DISALEXI (OpenET/DISALEXI/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET SSEBop (OpenET/SSEBOP/CONUS/GRIDMET/MONTHLY/v2_0)
- OpenET eeMetric (OpenET/EEMETRIC/CONUS/GRIDMET/MONTHLY/v2_0)
Spatial resolution: 30-m grid
Time Span: 2016 to Recent Year (updated every 1 year)
Variables:
- Evapotranspiration (ETa), Ensemble Mean — Ensemble ET value, computed as the mean of the ensemble after filtering outliers using the median absolute deviation (mad)
- Evapotranspiration (ETa), Ensemble Minimum — The minimum value in the ensemble range, after filtering for outliers using the median absolute deviation (mad)
- Evapotranspiration (ETa), Ensemble Maximum — The maximum value in the ensemble range, after filtering for outliers using the median absolute deviation (mad)
- Evapotranspiration (ETa), geeSEBAL Model — geeSEBAL ETa value
- Evapotranspiration (ETa), SIMS Model — SIMS ETa value
- Evapotranspiration (ETa), PT-JPL Model — PT-JPL ETa value
- Evapotranspiration (ETa), DISALEXI Model — DISALEXI ETa value
- Evapotranspiration (ETa), SSEBop Model — SSEBop ETa value
- Evapotranspiration (ETa), eeMETRIC Model — eeMETRIC ETa value
Methods: OpenET page
Terms of USe:
References:
- Melton, F., Huntington, J., Grimm, R., Herring, J., Hall, M., Rollison, D., Erickson, T., Allen, R., Anderson, M., Fisher, J., Kilic, A., Senay, G., volk, J., Hain, C., Johnson, L., Ruhoff, A., Blanenau, P., Bromley, M., Carrara, W., Daudert, B., Doherty, C., Dunkerly, C., Friedrichs, M., Guzman, A., Halverson, G., Hansen, J., Harding, J., Kang, Y., Ketchum, D., Minor, B., Morton, C., Ortega-Salazar, S., Ott, T., Ozdogon, M., Schull, M., Wang, T., Yang, Y., Anderson, R., 2021. OpenET: Filling a Critical Data Gap in Water Management for the Western United States. Journal of the American Water Resources Association, 2021 Nov 2.