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Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Coastlines

Published by ESDIS | National Aeronautics and Space Administration | Catalog Last Checked: June 23, 2026 at 08:48 PM | Dataset Last Updated: June 22, 2026
The Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Coastlines data are derived from the land area grids to show the outlines of pixels (cells) that contain administrative Units in GRUMPv1 that fall along waterbodies. The coastlines are designed for cartographic use with the GRUMPv1 population raster data sets. This data set is produced by the Columbia University Center for International Earth Science Information Network (CIESIN) in collaboration with the International Food Policy Research Institute (IFPRI), The World Bank, and Centro Internacional de Agricultura Tropical (CIAT).

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