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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Climate change impact assessment on hydrology of Indian river basins.
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Climate change impact assessment on hydrology of Indian river basins.

机译：气候变化对印度河流域水文学的影响评估。

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As part of the National Communication (NATCOM) project undertaken by the Ministry of Environment and Forests, Government of India, the present study has been taken up to quantify the impact of the climate change on the water resources of Indian river systems. The study uses the HadRM2 daily weather data to determine the spatio-temporal water availability in the river systems. A distributed hydrological model namely SWAT (Soil and Water Assessment Tool) has been used. Simulation over 12 river basins of the country has been made using 40 years (20 years belonging to control or present and 20 years for greenhouse gases (GHG) or future climate scenario) of simulated weather data. The initial analysis has revealed that under the GHG scenario, severity of droughts and intensity of floods in various parts of the country may get deteriorated. Moreover, a general reduction in the quantity of the available runoff has been predicted under the GHG scenario. This paper presents the detailed analyses of two river basins predicted to be worst affected (one with respect to floods and the other with respect to droughts)..
机译：作为印度政府环境与森林部开展的国家通信（NATCOM）项目的一部分，本研究旨在量化气候变化对印度河流系统水资源的影响。该研究使用HadRM2每日天气数据来确定河流系统中的时空可用水量。已经使用了分布式水文模型，即SWAT（土壤和水评估工具）。使用40年的模拟天气数据（在控制或现在属于20年，对于温室气体（GHG）或未来气候情景为20年）对全国12个流域进行了模拟。初步分析显示，在温室气体情景下，该国各地干旱的严重程度和洪水的强度可能会恶化。此外，在温室气体情景下，预计可径流总量将普遍减少。本文提供了对两个预计将受到最严重影响的流域的详细分析（一个与洪水有关，另一个与干旱有关）。

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