Is flood to drip irrigation a solution to groundwater depletion in the Indo-Gangetic plain?

نویسندگان

چکیده

Abstract Indian river basins are intensively managed with country-specific agricultural practices of cultivating submerged paddy and uncontrolled groundwater (GW) irrigation. Numerical experiments the state-of-the-art land surface models, such as variable infiltration capacity (VIC), without incorporating region-specific practices, could be misleading. Here, we coupled VIC 2D GW model AMBHAS, India-specific irrigation crop including fields. We performed numerical to understand causal factors depletion in northwest Indo-Gangetic plain (IGP). identify widespread flood cultivation water-intensive critical drivers declining scenario. Our suggest that introduction drip reduces northwest, but does not change sign level trends. The levels non-paddy fields middle IGP less sensitive due high return flow for

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ژورنال

عنوان ژورنال: Environmental Research Letters

سال: 2022

ISSN: ['1748-9326']

DOI: https://doi.org/10.1088/1748-9326/ac8f5d