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中文摘要: 对1998年华南暴雨试验期间获取的半小时时间间隔的GPS资料进行了分析,揭示华南前汛期局地大气气柱水汽总量增减变化特征及增湿方式,并证明气柱的水汽总量的增减有明显的不连续性。这种不连续性与大气环流的变化及华南暴雨的突发有很密切的关系。
中文关键词: 气柱水汽含量，暴雨，GPS
Abstract:Based on GPS (Global Positioning System) data observed at the intervals of half an hour during the period of the Huanan (South China) Torrential Rainfall Experiment from 5 May to 26 June 1998,analysis results reveal that the characteristics of moisture variation and moisture increasing manner of the total water content with in the local column air.It indicates that increasing and decreasing of the total water content within the column in of discontinuity evidently.This is directly associated with variation of general circulation and with outbreak of Huanan Torrential Rainfall.
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基金项目:国家攀登项目专项(85-专-03)，国家重点基础理论研究发展项目(G19980409*09)资助
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引用文本：
杨红梅,何平,徐宝祥,2002.用GPS资料分析华南暴雨的水汽特征[J].气象,28(5):17-21.
,2002.Analysis of Water Vapor Characteristics of Torrential Rainfall in South China with GPS Data[J].Meteor Mon,28(5):17-21.
杨红梅,何平,徐宝祥,2002.用GPS资料分析华南暴雨的水汽特征[J].气象,28(5):17-21.
,2002.Analysis of Water Vapor Characteristics of Torrential Rainfall in South China with GPS Data[J].Meteor Mon,28(5):17-21.