| ANALYSIS OF MESOSCALE CONVECTIVE SYSTEMS OVER TIBETAN PLATEAU IN SUMMER |
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| 作者姓名： | GUO Zhong-yang DAI Xiao-yan WU Jian-ping LIN Hui |
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| 作者单位： | [1]Key Laboratory of Geographic Information Science of Ministry of Education, East China Normal University Shanghai 200062, P. R. China [2]Department of Geography and Resource Management ＆ Joint Laboratory for Geolnformation Science, the Chinese University of Hong Kong, Hong Kong, P. R. China |
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| 基金项目： | Under the auspices of the National Natural Science Foundation of China (No. 40371080), Key Project of ChineseMinistry of Education (No. 104083), Foundation of Wuhan University State Key Laboratory of Information Engineering in Survey-ing, Mapping and Remote Sensing (No. WKL(03) 0103), the Scientific Research Foundation for the Returned Overseas ChineseScholars, Ministry of Education |
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| 摘 要： | 1INTRODUCTION In meteorological satellite cloud images, the features of Mesoscale Convective System (MCS) are shown in white bright cloud cluster, cloud band, cloud line, vorti- calcloudsystem,etc. The MCSlife cycle and spatial size usuallyvaryfrom several hours to one day and 100km to approximately 1000km, respectively. In the last two decades, it has been proven that storm and intensive con- vective weather, such as spasmodic thunderstorm and gale, tornado and short macro-precipitati…
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| 关 键 词： | 青藏高原 夏季 中尺度 对流天气 |
| 文章编号： | 1002-0063（2006）02-0116-06 |
| 收稿时间： | 2005-11-04 |
Analysis of mesoscale convective systems over Tibetan Plateau in summer |
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| GUO Zhong-yang DAI Xiao-yan WU Jian-ping LIN Hui.ANALYSIS OF MESOSCALE CONVECTIVE SYSTEMS OVER TIBETAN PLATEAU IN SUMMER[J].Chinese Geographical Science,2006,16(2):116-121. |
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| Authors: | Zhong-yang Guo Xiao-yan Dai Jian-ping Wu Hui Lin |
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| Institution: | (1) Key Laboratory of Geographic Information Science of Ministry of Education, East China Normal University, 200062 Shanghai, P. R. China;(2) Department of Geography and Resource Management & Joint Laboratory for GeoInformation Science, the Chinese University of Hong Kong, Hong Kong, P. R. China |
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| Abstract: | In this paper, Geostationary Meteorological Satellite (GMS) infrared black-body temperature (Tbb) data from June to August 1998 are used to automatically track the activity of Mesoscale Convective System (MCS) over the Tibetan Plateau in China. Consequently, the features of MCS, such as area, intensity, life cycle, activity region and shape, are obtained. High Resolution Limited Area Analysis and Forecasting System (HLAFS) values provided by China National Meteorological Center are used to study the relationships between the MCS trajectories and their environmental physical field values, based on the distribution and trajectories of MCSs over the Tibetan Plateau. Favorable environmental physical field charts of influencing MCS movement out of the Tibetan Plateau in different UTC (Universal Time Coordinate) are developed by using spatial data mining techniques at levels of 400hPa and 500hPa, respectively. |
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| Keywords: | Tibetan Plateau Mesoscale Convective Systems black-body temperature automatically tracking |
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