Water productivity in South Asia: spatial and temporal variations

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cg.contributor.affiliationInternational Water Management Instituteen
cg.contributor.donorIndian Council of Agricultural Researchen
cg.contributor.donorCGIAR Trust Funden
cg.contributor.initiativeClimate Resilience
cg.contributor.initiativeNEXUS Gains
cg.coverage.countryBangladesh
cg.coverage.countryIndia
cg.coverage.countryPakistan
cg.coverage.countrySri Lanka
cg.coverage.iso3166-alpha2BD
cg.coverage.iso3166-alpha2IN
cg.coverage.iso3166-alpha2PK
cg.coverage.iso3166-alpha2LK
cg.coverage.regionSouthern Asia
cg.creator.identifierUpali Amarasinghe: 0000-0002-0088-0648
cg.creator.identifierAlok Sikka: 0000-0001-9843-9617
cg.creator.identifierNiranga Alahacoon: 0000-0003-0984-5176
cg.identifier.doihttps://doi.org/10.1007/978-981-96-1848-4_10en
cg.identifier.iwmilibraryH053748
cg.reviewStatusPeer Reviewen
dc.contributor.authorAmarasinghe, Upalien
dc.contributor.authorSikka, Aloken
dc.contributor.authorPerera, Madhushaen
dc.contributor.authorAlahacoon, Nirangaen
dc.date.accessioned2025-04-29T04:48:31Zen
dc.date.available2025-04-29T04:48:31Zen
dc.identifier.urihttps://hdl.handle.net/10568/174362
dc.titleWater productivity in South Asia: spatial and temporal variationsen
dcterms.abstractThis chapter assesses the variations and options for improving water productivity to address water risks and insecurity in South Asian countries. The water productivity indicators of focus are physical water productivity (PWP)—the production per unit of water use, and economic water productivity (EWP), the value of production per unit of water use. A significant potential exists to increase PWP in many South Asian countries and regions with no water scarcity. These regions require increased access to water. However, increasing EWP should take precedence under water-scarce conditions. The latter may require reducing water-intensive crop areas and diversifying to less water-intensive crops.en
dcterms.accessRightsOpen Access
dcterms.bibliographicCitationAmarasinghe, Upali; Sikka, Alok; Perera, Madhusha; Alahacoon, Niranga. 2025. Water productivity in South Asia: spatial and temporal variations. In Mabhaudhi, T.; Chimonyo, V. G. P.; Senzanje, A.; Chivenge, P. P. (Eds.). Enhancing water and food security through improved agricultural water productivity: new knowledge, innovations and applications. Singapore: Springer. pp.223-240. [doi: https://doi.org/10.1007/978-981-96-1848-4_10]en
dcterms.descriptionIn Mabhaudhi, T.; Chimonyo, V. G. P.; Senzanje, A.; Chivenge, P. P. (Eds.). Enhancing water and food security through improved agricultural water productivity: new knowledge, innovations and applications. Singapore: Springeren
dcterms.extentpp.223-240.en
dcterms.issued2025-04-13
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherSpringeren
dcterms.subjectwater productivityen
dcterms.subjectclimate changeen
dcterms.subjectwater scarcityen
dcterms.subjectrainfall patternsen
dcterms.subjectmixed farmingen
dcterms.subjectvulnerabilityen
dcterms.subjectwater useen
dcterms.typeBook Chapter

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