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Development and update of the Global Map of Irrigation Areas (GMIA)

Development of a global, spatial data set of irrigated areas

Title: Global Map of Irrigation Areas
Abstract:
Irrigated agricultural land comprises less than one-fifth of the total cropped area of the world but produces about two-fifths of the world's food. At the same time, irrigation accounts for about 70% of the global water withdrawals and for about 90% of the global consumptive water use. In order to analyze irrigated crop production and the related irrigation water requirements at the global scale, a digital global map of irrigated areas has been developed which indicates the areas that are equipped for irrigation.
Main activities in this project are to update the Global Map of Irrigation Areas (GMIA) using new data on areas equipped for irrigation, areas actually irrigated, and on the source of irrigation water that have been collected during the last  years.

Person in charge: PD Dr. Stefan Siebert
Duration: since 07.12.2009
Funding: Food and Agriculture Organization of the United Nations (FAO), own funds
Cooperating partner: FAO, Land and Water Division
Links: Detailed project description at the website of University of Bonn
Detailed description of the Global Map of Irrigation Areas at FAO
Publications:

Siebert, S., V. Henrich, K. Frenken, J. Burke, 2013. Update of the global map of irrigation areas to version 5. Project report, 170 pp.

Siebert, S., J. Burke, J.M. Faures, K. Frenken, J. Hoogeveen, P. Döll, F.T. Portmann, 2010. Groundwater use for irrigation – a global inventory. Hydrology and Earth System Sciences 14, 1863-1880, DOI:10.5194/hess-14-1863-2010.

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