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    Impact of climate change and watershed interventions on water balance and crop yield in West Seti river sub-basin of Nepal

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    Authors
    Pabitra, Gurung
    Bharati, Luna
    Saroj, K.
    Date
    2015
    Language
    en
    Type
    Journal Article
    Accessibility
    Limited Access
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    Citation
    Pabitra, Gurung; Bharati, Luna; Saroj, K. 2015. Impact of climate change and watershed interventions on water balance and crop yield in West Seti river sub-basin of Nepal. Journal of Hill Agriculture, 6(2):219-219. doi: http://dx.doi.org/10.5958/2230-7338.2015.00051.8
    Permanent link to cite or share this item: http://hdl.handle.net/10568/69469
    DOI: https://dx.doi.org/10.5958/2230-7338.2015.00051.8
    Abstract/Description
    The Soil and Water Assessment Tool (SWAT) was used to simulate water balances in different cropping patterns under current and future climates in West Seti river Sub-basin, which is located in the far western region of Nepal. The results show that total precipitation over rice, maize, millet, wheat and barley fields were 1002, 818, 788, 186 and 169 mm respectively, whereas total simulated actual evapo transpiration (ET) are 534, 452, 322, 138 and 177 mm respectively under current climate. Actual ET will change by-1.9% in rice, -1.1% in maize, -2.0% in millet, +6.7% in wheat and +5.4% in barley under future climate projections. Results show that yield of maize and millet will decrease by 5.9% and 8.0% whereas yield of rice, wheat and barley will increase by 1.2%, 6.6% and 7.0% respectively. Therefore, the impact of climate change shows that summer crop yields will decrease except of rice and winter crop yields will increase. In general, a result of watersheds interventions shows that the crop yields will increase after the watershed interventions.
    CGIAR Affiliations
    Water, Land and Ecosystems
    AGROVOC Keywords
    CLIMATE CHANGE; ADAPTATION; METEOROLOGICAL STATIONS; WATERSHED MANAGEMENT; WATER BALANCE; CROP YIELD; RICE; MAIZE; WHEAT; MILLETS; BARLEY; RIVER BASINS; SOIL MOISTURE; HYDROLOGY; MODELS; ASSESSMENT; CALIBRATION
    Countries
    NEPAL
    Collections
    • IWMI Journal Articles [1921]

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