Global Drought Information System (GDIS)

The Global Drought Information System (GDIS) is a tool for exploring global drought data and learning more about global drought resources, research and education. Tool Components: Monitoring Drought Forecasting Drought Management Tools Research & Education Data and Sources: North American Drought Monitor (NADM) - National Drought Mitigation Center (NDMC) European Combined Drought Indicator (CDI) - European Drought Observatory (EDO) GPCC Global Drought Index (DI) - Deutscher Wetterdienst (DWD) GPCC Standardized Precipitation Index (SPI) - The National Oceanic and Atmospheric Administration (NOAA) National Integrated Drought Information System (NIDIS)/National Centers for Environmental Information GPCC Standardized Precipitation Evapotranspiration Index (SPEI) - Consjo Superior de Investigaciones Cientificas (CSIC) MERRA2 Evaporative Demand Drought Index (EDDI) - National Oceanic and Atmospheric Administration (NOAA) Earth System Research Lab (ESRL) VIIRS Vegetation Health Index (VHI) - National Ocean and Atmospheric Administration (NOAA) National Environmental Satellite, Data, and Information Service (NESDIS) MODIS Evaporative Stress Index (ESI) - National Aeronautics and Space Administration (NASA) GRACE-Based Root Zone Soil Moisture - National Aeronautics and Space Administration (NASA)/German Aerospace Center (DLR) GRACE-Based Shallow Groundwater - National Aeronautics and Space Administration (NASA)/German Aerospace Center (DLR) GRACE-Based Surface Soil Moisture - National Aeronautics and Space Administration (NASA)/German Aerospace Center (DLR) Global Gridded Population - Center for International Earth Science Information Network (CIESIN)