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Blue Water Consumption on Cropland Print E-mail
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Blue water consumption on irrigated cropland (mm yr–1 per cropland area, 1971–2000 average).

Map description and dataset provided by: Potsdam Institute for Climate Impact Research

DescriptionBlue Water Consumption on Cropland

Blue water consumption in agricultural is restricted to irrigated areas. Highest consumption rates occur in warm regions including, for example, northern India and southeast Asia.

Interpretation

Highest blue water consumption rates occur in warm regions where green water (stemming directly from precipitation) is not sufficient to sustain optimal crop growth and where enough blue water is available to fulfill the resulting irrigation water requirements of the crops. Note that the values refer to cropland areas rather than to entire 0.5° grid cells, i.e. the influence of the fractional coverage of a grid cell with cropland is eliminated.

Source

The dataset for this map was provided by: Dieter Gerten, Stefanie Jachner, Potsdam Institute for Climate Impact Research

Background

The dataset has been produced within the project “Consistent assessment of global green, blue and virtual water fluxes in the context of food production: Regional stresses and worldwide teleconnections”, funded by the German Research Foundation (DFG). This project is endorsed as a partner project of the GWSP.

Citation

Please cite this map as: "GWSP Digital Water Atlas (2008). Map 64: Blue Water Consumption on Cropland (V1.0). Available online at http://atlas.gwsp.org."

Contact Information

Dr. Dieter Gerten, Potsdam-Institute for Climate Impact Research, Earth System Analysis Research Domain, P.O. Box 60 12 03, 14412 Potsdam, Germany; E-mail: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

 
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