Abstract
According to Water Statistics in Mexico (CONAGUA, 2008), 77 per cent of water is used for agricultural purposes although distribution across Mexico is poor. But knowledge of the spatial and time distribution of water used for irrigation purposes in Mexico is inadequate. Measurement of underground and surface water extraction for agricultural use is deficient at best, non-existent in most cases. The most trustworthy measurements are taken from irrigation districts, but the figures for water withdrawals in small irrigation units are unknown; estimates are taken from unreliable reports of irrigated surfaces reported by SAGARPA. 2 Because of the lack of measurement systems, groundwater extraction is estimated, often using questionable calculations.
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Keywords
- Normalize Difference Vegetation Index
- Irrigate Area
- Virtual Water
- Groundwater Extraction
- Irrigation District
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© 2012 Springer-Vertrag Berlin Heidelberg
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Vélez, E.P., Saez, E.M. (2012). Water Use for Agriculture in Mexico. In: Oswald Spring, Ú. (eds) Water Resources in Mexico. Hexagon Series on Human and Environmental Security and Peace, vol 7. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-05432-7_9
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DOI: https://doi.org/10.1007/978-3-642-05432-7_9
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