BGR Bundesanstalt für Geowissenschaften und Rohstoffe

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Maps and data

BGR and UNESCO own the copyright on the data and maps provided here. The maps may be reproduced without further permission from the copyright owner provided that an acknowledgement to BGR & UNESCO is included in presentations and publications. WHYMAP requests reprints of publications or products and services resulting from the use of the maps.

Printed copies of the maps below can be obtained from UNESCO, CGMW and BGR.


Map "Groundwater Resources of the World"


Map "River and Groundwater Basins of the World"


Map "Global Groundwater Vulnerability to Floods and Droughts"


World Karst Aquifer Map


Map "Mean Annual Precipitation"

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