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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/73835

    Title: 1999年12月至2016年12月期間越南中部地區極端降雨;Extreme rainfall in central Vietnam during December 1999 and December 2016
    Authors: 吳霆姜;Khuong, Ngo Dinh
    Contributors: 大氣科學學系
    Keywords: 雨量;极端;越南中部;rainfall;extreme;central Vietnam
    Date: 2017-07-24
    Issue Date: 2017-10-27 12:26:12 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 越南中部的降雨季節通常發生在9月至11月。暴雨/洪澇事件通常出現在10月至11月,也是雨季最高峰。西部高山至東部盆地陡峭的地形,東西邊界之間的寬度小於100公里,為該地區暴雨造成的洪災塑造了易發生的環境。通常12月份不是出現大量降雨的月份。然而,1999年12月和2016年12月,越南經歷了較為不同的嚴重降雨事件,造成連續兩個月的嚴重洪災事件。這項研究使用國家環境預測中心/國家大氣研究中心(NCEP / NCAA)和歐洲中程天氣預報中心(Era-Interim)的再分析數據集,描繪了1999年12月和12月期間越南中部的大雨強降雨事件是由於越南中部越過水汽通量過大,南海北部以及越南南部氣旋的氣溫合併造成的。此外,Truong Son Rang和東風之間的協同效應在越南中部提供了地形上的降水。;The rainfall season in central Vietnam usually occurs in September-November. The heavy rainfall/flood event usually appears in October-November, the maximum rainfall season. The steep topography from high mountain in the west down to basin in the east with the narrow width less than 100km between the east-west borderline creates a good condition for the flash flood caused by the heavy rainfall in this area. Normally, December is not the month that appears much rainfall. However, December 1999 and December 2016 exhibited the differential conditions when the central Vietnam underwent heavy rainfall events that caused consecutive severe floods events during these two months. This study used the reanalysis dataset from National Center for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAA) and European Centre for Medium-Range Weather Forecasts (Era-Interim) to portray the heavy rainfall over central Vietnam during December 1999 and December 2016. The heavy rainfall events are caused by the excessive water vapor flux that converged near central Vietnam and the collaborative of the cold surge in the north of the South China Sea and the cyclonic in the southern Vietnam. Besides, the collaborative effect of the Truong Son Rang and the easterlies wind provide a topographically generated precipitation over central Vietnam
    Appears in Collections:[大氣物理研究所 ] 博碩士論文

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