| 夏季青藏高原上影响MCS东移的动力场特征研究 |
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| 引用本文： | 戴晓燕,过仲阳,吴健平,王琦,林珲.夏季青藏高原上影响MCS东移的动力场特征研究[J].热带气象学报,2006,22(6):600-604. |
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| 作者姓名： | 戴晓燕 过仲阳 吴健平 王琦 林珲 |
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| 作者单位： | 1. 华东师范大学地理信息科学教育部重点实验室,上海,200062
2. 香港中文大学地理系地球信息科学联合实验室,香港 |
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| 基金项目： | 国家自然科学基金;教育部科学技术研究重点项目;国家重点实验室基金;教育部留学回国人员科研启动基金 |
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| 摘 要： | 运用空间数据挖掘中的聚类方法（K-均值法和CLARANS法），对影响夏季青藏高原上中尺度对流系统（MCS）东移的动力场空间分布特征进行了研究，得到了有利于MCS移动和传播的动力学条件。研究成果不仅为预测高原上MCS的移动趋势，揭示其发生、发展的机理提供了一种新的方法和思路，且对于提高长江流域暴雨和强对流天气预报的准确性具有重要的实际应用价值。
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| 关 键 词： | 青藏高原 中尺度对流系统 动力场 空间聚类 |
| 文章编号： | 1004-4965(2006)06-0600-05 |
| 收稿时间： | 2005-07-16 |
| 修稿时间： | 2005-11-29 |
A STUDY ON THE FEATURES OF DYNAMICAL FIELD INFLUENCING MCS TRAJECTORIES OVER THE TIBETAN PLATEAU IN SUMMER |
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| DAI Xiao-yan,GUO Zhong-yang,WU Jian-ping,WANG Qi and LIN Hui.A STUDY ON THE FEATURES OF DYNAMICAL FIELD INFLUENCING MCS TRAJECTORIES OVER THE TIBETAN PLATEAU IN SUMMER[J].Journal of Tropical Meteorology,2006,22(6):600-604. |
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| Authors: | DAI Xiao-yan GUO Zhong-yang WU Jian-ping WANG Qi and LIN Hui |
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| Institution: | Key Laboratory of Geographic Information Science, Ministry of Education, East China Normal University, Shanghai 200062, China;Key Laboratory of Geographic Information Science, Ministry of Education, East China Normal University, Shanghai 200062, China;Key Laboratory of Geographic Information Science, Ministry of Education, East China Normal University, Shanghai 200062, China;Key Laboratory of Geographic Information Science, Ministry of Education, East China Normal University, Shanghai 200062, China;Department of Geography & Joint Laboratory for GeoInformation Science, The Chinese University of Hong Kong, Hong Kong, China |
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| Abstract: | Clustering methods, i.e., the K-means method and CLARANS method, are used to analyze the spatial distribution features of dynamical field influencing Mesoscale Convective Systems(MCS) move out of the Tibetan Plateau eastward from June to August 1998, and |
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| Keywords: | Tibetan Plateau mesoscale convective system dynamical field spatial clustering |
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