High-resolution Global Multi-Index Drought (GMID) dataset, 1980-2024

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Environmental Information Data Centre
Last updated:
16 April 2026
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Summary

Here, we present the Global Multi-Index Drought (GMID) dataset, which includes some of the most used and widely recommended standardised drought indices: the Standardized Precipitation Index (SPI), the Evaporative Drought Demand Index (EDDI), the Standardized Precipitation Evapotranspiration Index (SPEI), the Standardized Evapotranspiration Deficit Index (SEDI), and the Standardized Vapor Pressure Deficit Index (SVPDI). This dataset is available on a global scale covering 1-12, 18, 24, 48-month time scales for the period 1980 to 2024, with high spatial (0.1 degrees) and temporal (weekly and monthly) resolution. GMID was generated using different meteorological input datasets, including: Multi-Source Weighted-Ensemble Precipitation (MSWEP) v2.8 (https://www.gloh2o.org/mswep/), Global Land Evaporation Amsterdam Model (GLEAM) v4.2a (https://www.gleam.eu/), and Multi-Source Weather (MSWX) vMSWX-Past (https://www.gloh2o.org/mswx/). The GMID dataset is provided weekly and monthly, including two versions of the five drought indices: one generated using the "reference" approach (i.e., based on the probability distribution typically recommended in the literature for calculating these drought indices), and another using the "best-fit" approach (i.e., based on the probability distributions that provide better normalised resulting series for each case). GMID represents a comprehensive and robust global long-term dataset for drought (and flash drought) assessment, which will be further updated annually as input data become available. Full details about this dataset can be found at https://doi.org/10.5285/f5ce92b0-03e8-4719-82ff-c62e6ebe927b

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Added to data.gov.uk
2026-04-14
Access contraints
If you reuse this data, you should cite: Noguera, I., Bulut, B., Chevuturi, A., Barker, L.J., Hannaford, J. (2026). High-resolution Global Multi-Index Drought (GMID) dataset, 1980-2024. NERC EDS Environmental Information Data Centre https://doi.org/10.5285/f5ce92b0-03e8-4719-82ff-c62e6ebe927b
Harvest GUID
f5ce92b0-03e8-4719-82ff-c62e6ebe927b
Extent
Latitude: 90° to °
Longitude: -180° to 180°
Spatial reference system
Dataset reference date
2026-03-31 (publication)
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ISO 19139 resource type
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Metadata language
eng
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