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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Assessment of water yield and evapotranspiration over 1985 to 2010 in the Gomti River basin in India using the SWAT model
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Assessment of water yield and evapotranspiration over 1985 to 2010 in the Gomti River basin in India using the SWAT model

机译：利用SWAT模型评估1985年至2010年印度Gomti河流域的产量和蒸散量。

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摘要

Soil and Water Assessment Tool (SWAT) was used to assess the water yield and evapotranspiration for the Gomti River basin, India for over a period of 25 years (1985-2010). Streamflow calibration and validation of results showed satisfactory performance (NSE: 0.68-0.51; RSR: 0.56-0.68; vertical bar PBIAS vertical bar: 2.5-24.3) of the model. The water yield was higher in the midstream sub-basins compared to upstream and downstream sub-basins whereas evapotranspiration per unit area decreased from upstream to the downstream. Both evapotranspiration and water yield at upstream and midstream sub-basins increased from 1985 to 2010, whereas water yield at downstream decreased from 1985 to 2010. We found that the spatial and temporal patterns of evapotranspiration and water yield were closely linked to climatic conditions and irrigation in the basin. The long-term trends in water yield point to a drying tendency of downstream sub-basin covering the districts of Jaunpur and Varanasi.
机译：土壤和水评估工具（SWAT）用于评估印度Gomti河流域25年（1985-2010年）的水产量和蒸散量。流量校准和结果验证表明，该模型具有令人满意的性能（NSE：0.68-0.51; RSR：0.56-0.68;垂直条PBIAS垂直条：2.5-24.3）。与上游和下游子流域相比，中游子流域的水产量更高，而单位面积的蒸散量从上游到下游均下降。 1985年至2010年，上游和中游子流域的蒸散量和产水量均增加，而1985年至2010年，下游流域的产水量均下降。我们发现，蒸散量和水量的时空分布与气候条件和灌溉密切相关。在盆地。长期的水产量趋势表明，覆盖Jaunpur和Varanasi地区的下游子盆地将出现干燥趋势。

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