气象与环境学报2013，Vol.29Issue(1)：93-102,10.DOI:10.3969/j.issn.1673-503X.2013.01.016
西太平洋副热带高压异常与中国长江中下游夏季降水关系研究综述
A review on relationship between subtropical high anomaly over West Pacific and summer precipitation in the middle-lower reaches of the Yangtze River
摘要
Abstract
The effect of subtropical high anomaly over West Pacific on summer precipitation in the middle-lower reaches of the Yangtze River was reviewed. On the basis of intensity and location of subtropical high over West Pacific and its formation reasons, the effect and mechanism of subtropical high anomaly over West Pacific on summer precipitation in the middle-lower reaches of the Yangtze River were summarized. The results indicate that dynamic factors and themodynamic factors both affect subtropical high. There are 3-4 years and 10-13 years oscillation periods for subtropical high intensity over West Pacific. There is an abrupt change about 1978. The ridge position index starts to move from positive to negative, while the strength index is contrary. These changes influence significantly precipitation in the middle-lower reaches of the Yangtze River. The location, shape and intensity of subtropical high over West Pacific are one of decisive factors for drought and flood in the middle-lower reaches of the Yangtze River. There are generally four methods to be used to predict precipitation in the middle-lower reaches of the Yangtze River based on subtropical high over West Pacific. Finally ,some current problems and further directions are briefly discussed.关键词
西太平洋副热带高压/长江中下游/降水异常Key words
Subtropical high over West Pacific/Middle-lower reaches of the Yangtze River/Precipitation anomaly分类
天文与地球科学引用本文复制引用
李慧,周顺武,王亚非..西太平洋副热带高压异常与中国长江中下游夏季降水关系研究综述[J].气象与环境学报,2013,29(1):93-102,10.基金项目
中国气象局公益行业(气象)科研专项(GYHY20100609)资助. （气象）
