首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Simulated projections for summer monsoon climate over India by a high-resolution regional climate model (PRECIS). (Special Section: Climate change: projections and impact for India.)
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Simulated projections for summer monsoon climate over India by a high-resolution regional climate model (PRECIS). (Special Section: Climate change: projections and impact for India.)

机译:通过高分辨率区域气候模型(PRECIS)对印度夏季风的模拟预测。 (特别部分:气候变化:对印度的预测和影响。)

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摘要

Impact of global warming on the Indian monsoon climate is examined using Hadley Centre's highresolution regional climate model, PRECIS (Providing REgional Climates for Impact Studies). Three simulations from a 17-member Perturbed Physics Ensemble generated using Hadley Center Coupled Model (HadCM3) for the Quantifying Uncertainty in Model Predictions (QUMP) project, are used to drive PRECIS. The PRECIS simulations corresponding to the IPCCSRES A1B emission scenario are carried out for a continuous period of 1961-2098. The model shows reasonable skill in simulating the monsoon climate over India. The climate projections are examined over three time slices, viz. short (2020s, i.e. 2011-2040), medium (2050s, i.e. 2041-2070) and long (2080s, i.e. 2071-2098). The model projections indicate significant warming over India towards the end of the 21st century. The summer monsoon precipitation over India is expected to be 9-16% more in 2080s compared to the baseline (1970s, i.e. 1961-1990) under global warming conditions. Also, the rainy days are projected to be less frequent and more intense over central India.
机译:使用哈德利中心的高分辨率区域气候模型PRECIS(为影响研究提供区域气候)检查了全球变暖对印度季风气候的影响。使用Hadley中心耦合模型(HadCM3)为模型预测中的不确定性量化(QUMP)项目生成的,由17个成员的扰动物理集合生成的三个模拟,用于驱动PRECIS。在1961-2098年连续进行了与IPCCSRES A1B排放情景相对应的PRECIS模拟。该模型显示了模拟印度季风气候的合理技巧。在三个时间段内检查了气候预测,即。短(2020年代,即2011-2040),中(2050年代,即2041-2070)和长(2080年代,即2071-2098)。模型预测表明,到21世纪末印度将出现明显的变暖。在全球变暖条件下,到2080年代印度的夏季季风降水预计将比基线(1970年代,即1961-1990年)多9-16%。此外,预计印度中部的雨天会减少,而雨天会更加频繁。

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