Please cite our research paper when using these data files and maps.
A full description of the data and methods is provided in the Supplementary Information available on the Science website.Delta risk indices and underlying indicator data
Name | CSV | Excel |
All Indices | ![]() |
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Anthropogenic Conditioning Index (ACI) indicators | ![]() |
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Hazardous Event Index (HEI) indicators | ![]() |
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Investment Deficit Index (IDI) indicators | ![]() |
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Delta IDs | ![]() |
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Global Delta Maps
Data is in an equirectangular (latitude-longitude) projection using the WGS84 coordinate system.
Resolution | ASCII | GeoTIFF | Shapefile | |||
ZIP | TAR.GZ | ZIP | TAR.GZ | ZIP | TAR.GZ | |
Global - 30 arc-sec | ![]() |
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Global - 2.5 arc-min | ![]() |
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Individual Delta Extent Maps
Data is in an equirectangular (latitude-longitude) projection using the WGS84 coordinate system. Raster formats (ASCII, GeoTiff) are at 250m nominal resolution. Population density in PNG maps is from GRUMPv1 circa 2000.