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广东5~9月降水的时空分布特征和类型 被引量:8

Features and Types of Spatial Temporal Distribution of the Rainfall from May to September in Guangdong
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摘要 利用主分量分析方法对广东5~9月的降水量作了统计分析.结果将广东5~9月降水的空间分布分为全省性早(涝),西南涝(旱)东北旱(涝)等4种主要类型,前4种类型占该降水场总方差的69%;广东5~9月旱涝在1954~1963年间出现频繁,旱涝共5次,而在1964~1990年间仅出现2次。 The spatial temporal distribution of the rainfall from May to September in Guangdong Province is analyzed by using the principal component technique. The results show that the spatial distribution of the rainfall could be classified into four main types, namely drought (flood) in the whole province, flood(drought) in the southwest and drought(flood)in the northeast, flood(drought) in the southeast and drought(flood) in the northwest, flood(drought) in the Pearl River Delta and drought(flood)in the east and Leizhou Peninsula. According to the maximal absolute values of the principal components, types of spatial distribution of the rainfall from May to September for each year are examinized. The results show that the flood drought type occurred frequently in 1954~1963, five times in ten years. Furthermore, it always covered the whole province area. The results of this paper provide climatic backgrounds for long term rainfall forecast.
出处 《中山大学学报(自然科学版)》 CAS CSCD 北大核心 1997年第2期91-95,共5页 Acta Scientiarum Naturalium Universitatis Sunyatseni
基金 广东省自然科学基金
关键词 降水 广东 降水量 时空分布 rainfall, spatial temporal distribution, features, types, flood and drought, Guangdong
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参考文献4

  • 1黄露菁,中山大学学报论丛,1994年,5期,26页
  • 2郭英琼,陈创买,郑福荣.海南省台风季节降水的特征和类型[J].热带地理,1993,13(4):305-313. 被引量:2
  • 3黄嘉佑,气象统计分析与预报方法,1990年,176页
  • 4司有元,地理学报,1984年,39卷,1期,115页

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