18818 7 101665 2 310752 document 101665 water-15-01666.pdf application/pdf a7a1ec84b637d80d17e0cfa67470f97b MD5 1863940 2023-05-25 10:07:51 https://pure.iiasa.ac.at/id/eprint/18818/1/water-15-01666.pdf 18818 1 1 application/pdf text en public cc_by_4

water-15-01666.pdf

published 101668 1 310772 document 101668 indexcodes.txt text/x-c++ 5fc42378c78f44f34392c4fe4f04039f MD5 12531 2023-05-25 10:17:54 https://pure.iiasa.ac.at/id/eprint/18818/2/indexcodes.txt 18818 2 2 text/x-c++ other Generate index codes conversion from text to indexcodes en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/isIndexCodesVersionOf https://pure.iiasa.ac.at/id/document/101665 101669 2 310773 document 101669 lightbox.jpg image/png 130b907ce31add4b98bb88637c042b2c MD5 52629 2023-05-25 10:18:20 https://pure.iiasa.ac.at/id/eprint/18818/3/lightbox.jpg 18818 3 3 image/png other Thumbnails conversion from text to thumbnail_lightbox en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/ismediumThumbnailVersionOf https://pure.iiasa.ac.at/id/document/101665 101672 2 310776 document 101672 small.jpg image/png 07b178202abb046a35b94fe0b70187e9 MD5 1764 2023-05-25 10:18:23 https://pure.iiasa.ac.at/id/eprint/18818/6/small.jpg 18818 6 6 image/png other Thumbnails conversion from text to thumbnail_small en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/101665 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/101665 archive 353 disk0/00/01/88/18 2023-05-25 10:09:00 2024-08-28 08:04:18 2023-05-25 10:09:00 article show van Dijk M. 2147 0000-0002-5207-7304 Geurtsen S. pub BNR IBF food security; irrigation; maps; remote sensing In China, irrigation plays a fundamental role in food production, which is hampered by water security, rising population and climate change. To ensure food security and formulate agricultural and irrigation policies, decision-makers need detailed grid-level information on the location of irrigated areas. Unfortunately, this information is not easily available as national irrigation maps are frequently outdated and often have a coarse spatial resolution. In this paper, we present new irrigation maps for China at a spatial resolution of 30 arc seconds (~1 × 1 km) that cover the period between 2005 and 2015. The maps were created using a synergy approach, which combines and integrates regional and global irrigation maps, cropland maps and subnational statistics. The maps were calibrated to subnational irrigation statistics and validated using an external dataset with geocoded information on the location of irrigated areas. The maps show, at the detailed spatial level, how much irrigation expanded over the period of 2005–2015. The proposed synergy approach is flexible and can easily be applied to create irrigation maps for other regions. 2023-05 published doi:10.3390/w15091666 2911 public Water 15 9 e1666 TRUE 2073-4441 no info:eu-repo/semantics/article