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“1410”台风麦德姆强降水与地形关系的分析 被引量:3

Analysis on the Relation between Heavy Rainfall and Terrain of 1410 Typhoon Matmo
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摘要 利用多种资料对2014年第10号台风麦德姆的降水实况和环流形势进行分析;并以欧洲中心ERA-Interim资料为背景场使用WRF模式,对山东半岛地形对麦德姆强降水的影响进行敏感性试验。结果表明:中纬度西风槽和台风系统结合,冷空气从对流层低层入侵使麦德姆发生变性。山东半岛地形对麦德姆的移动路径、强度和降水均有一定影响。地形高度与强降水中心强度有较好的对应关系。地形高度的强迫抬升作用有利于水汽辐合增强,从而使降水量增大。地形高度与降水量减少不是简单的线性关系。 By using various data,we analyze the precipitation and circulation of Typhoon Matmo No.10 in 2014,and and carry out the sensitivity tests of the topography of Shandong Peninsula to the heavy rainfall of Matmo by using WRF model with ERA-Interim data from the European Center for Medium-Range Weather Forecasts.The results show that the mid-latitude westerly trough combined with the typhoon system,and the cold air intruded from the lower troposphere and made Matmo have a extratropical transition process.The topography of Shandong Peninsula influent somewhat on the movement path,intensity and precipitation of Matmo.The topographic height and the intensity of the heavy rainfall center are well corresponded between each other.The forcing uplift of topographic height is beneficial to the enhancement of water vapor convergence as well as to the increase of precipitation.The relation between topographic height and precipitation reduction is not simply linear.
作者 孙莎莎 孙艺 杨成芳 王倩 SUN Shasha;SUN Yi;YANG Chengfang;WANG Qian(Shandong Meteorological Station,Jinan 250031,China;Yantai Weather Modification,office,Yantai 264003,China;Collage of Oceanic Atmospheric Sciences,Ocean University of China,Qingdao 266100,China)
出处 《灾害学》 CSCD 北大核心 2019年第2期115-121,共7页 Journal of Catastrophology
基金 天津市气象局"环渤海区域项目北上登陆台风强度特征及变化研究"(QYXM201707) 山东省气象局青年基金山东半岛地形对台风暴雨影响的研究(2015SDQN02) 山东省自然科学基金北上台风变性加强机理研究(ZR2013DQ009)
关键词 台风 强降水 地形 麦德姆台风 山东半岛 typhoon heavy rainfall topography Matmo Shandong Peninsula
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