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Impact of Climate Change on Regional Hydroclimate Projection in Peninsular Malaysia

Impact of Climate Change on Regional Hydroclimate Projection in Peninsular Malaysia
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摘要 For the assessment of the impact of future climate change on the hydrologic regime and water resources of Peninsular Malaysia, it is necessary to downscale the climate change simulations of a coarse scale General Circulation Model to the region of Peninsular Malaysia at fine grid resolution. This paper presents a desktop review of the state of climate change parameters, namely rainfall and river flow over the Peninsular Malaysia for the 2041-2050 projection period. Analysis of the results from the models shows there will be a substantial increase in mean monthly precipitation over the North East Coastal region from historical 259.5 mm to 281.5 mm, from 289.0 mm to 299.0 mm and 221.8 mm to 239.5 mm over Terengganu and Kelantan, respectively. Meanwhile, for river flow projection, it will be an expected increase in interannual and intraseasonal variability with increased hydrologic extremes (higher high flows, and lower low flows) at Kelantan, Pahang, Terengganu, and Kedah watersheds in the future.
出处 《Journal of Environmental Science and Engineering(A)》 2012年第1期41-45,共5页 环境科学与工程(A)
关键词 Climate change peninsular Malaysia RAINFALL river flow. 马来西亚半岛 气候变化影响 投影 河流流量 流量预测 平均降水量 环流模式 半岛地区
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