Global Lakes and Wetlands Database (GLWD) version 2.0

This is the Global Lakes and Wetlands (GLWD) database, version 2.0. The database development is fully described in Lehner et al. 2025 (see DOI-link in Related Materials below).There are 6 zipped data files (3 each in Geodatabase and in GeoTIFF format):"GLWD_v2_0_area_by_class_ha_gdb.zip" contains absolute wetland areas in hectares per grid cell for each individual wetland class, in Geodatabase format"GLWD_v2_0_area_by_class_pct_gdb.zip" contains wetland extents in percent coverage per grid cell for each individual wetland class, in Geodatabase format"GLWD_v2_0_combined_classes_gdb.zip" contains the combined wetland extents of all 33 classes (in ha and percent) as well as the dominant wetland type per grid cell, in Geodatabase format""GLWD_v2_0_area_by_class_ha_tif.zip" contains absolute wetland areas in hectares per grid cell for each individual wetland class, in GeoTIFF format"GLWD_v2_0_area_by_class_pct_tif.zip" contains wetland extents in percent coverage per grid cell for each individual wetland class, in GeoTIFF formatGLWD_v2_0_combined_classes_tif.zip" contains the combined wetland extents of all 33 classes (in ha and percent) as well as the dominant wetland type per grid cell, in GeoTIFF formatEach of the zip-files contains a Technical Documentation (GLWD_TechDoc_v2_0.pdf) which provides additional data descriptions. For more information on GLWD see https://www.hydrosheds.org/products/glwd.