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dc:title "HTML Summary of #3824 \n\nAssessing impacts of agricultural water interventions in the Kothapally watershed, Southern India\n\n";
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bibo:abstract "The paper describes a hydrological model for agricultural water intervention in a community watershed at Kothapally in India,\r\ndeveloped through integrated management and a consortium approach. The impacts of various soil and water management\r\ninterventions in the watershed are compared to no-intervention during a 30-year simulation period by application of the\r\ncalibrated and validated ARCSWAT 2005 (Version 2.1.4a) modelling tool. Kothapally receives, on average, 800 mm rainfall\r\nin the monsoon period. 72% of total rainfall is converted as evaporation and transpiration (ET), 20% is stored by groundwater\r\naquifer, and 8% exported as outflow from the watershed boundary in current water interventions. ET, groundwater recharge\r\nand outflow under no-intervention conditions are found to be 64, 9, and 19%, respectively. Check dams helped in storing water\r\nfor groundwater recharge, which can be used for irrigation, as well minimising soil loss. In situ water management practices\r\nimproved the infiltration capacity and water holding capacity of the soil, which resulted in increased water availability by\r\n10–30% and better crop yields compared to no-intervention. Water outflows from the developed watershed were more than\r\nhalved compared to no-intervention, indicating potentially large negative downstream impacts if these systems were to be\r\nimplemented on a larger scale. On the other hand, in the watershed development program, sediment loads to the streams\r\nwere less than one-tenth. It can be concluded that the hydrological impacts of large-scale implementation of agricultural water\r\ninterventions are significant. They result in improved rain-fed agriculture and improved productivity and livelihood of farmers\r\nin upland areas while also addressing the issues of poverty, equity, and gender in watersheds. There is a need for case-specific\r\nstudies of such hydrological impacts along with other impacts in terms of equity, gender, sustainability, and development at\r\nthe mesoscale."^^xsd:string;
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dct:date "2011";
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skos:prefLabel "Watershed Management"@en .
foaf:name "John Wiley & Sons"^^xsd:string;
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foaf:familyName "Karlberg"^^xsd:string;
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foaf:name "L Karlberg"^^xsd:string;
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foaf:name "S P Wani"^^xsd:string;
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foaf:familyName "Rockstroma"^^xsd:string;
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foaf:familyName "Barron"^^xsd:string;
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foaf:name "J Barron"^^xsd:string;
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bibo:issn "08856087";
foaf:name "Hydrological Processes"^^xsd:string;
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