3 packages on CRAN
Finds and downloads raw Evaporative Demand Drought Index (EDDI) data, then reads the data into 'R' using the 'raster' package. The EDDI product detects drought at multiple time scales, from weekly "flash droughts" to long-term droughts. More information about the EDDI data product can be found at <https://www.esrl.noaa.gov/psd/eddi/>.
Finds and downloads Landscape Evaporative Response Index (LERI) data, then reads the data into 'R' using the 'raster' package. The LERI product measures anomalies in actual evapotranspiration, to support drought monitoring and early warning systems. More info on LERI is available at <https://www.esrl.noaa.gov/psd/leri/>.
Facilitates programmatic access to NASA Soil Moisture Active Passive (SMAP) data with R. It includes functions to search for, acquire, and extract SMAP data.