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吴仁广, 陈烈庭. 长江中下游地区梅雨期降水与全球500hPa环流的关系[J]. 大气科学, 1994, 18(6): 691-700. DOI: 10.3878/j.issn.1006-9895.1994.06.06
引用本文: 吴仁广, 陈烈庭. 长江中下游地区梅雨期降水与全球500hPa环流的关系[J]. 大气科学, 1994, 18(6): 691-700. DOI: 10.3878/j.issn.1006-9895.1994.06.06
Wu Renguang, Chen Lieting. Relationship between the Global Circulation at 500 hPa and Meiyu in Mid- and Low-Reaches of the Yangtze River[J]. Chinese Journal of Atmospheric Sciences, 1994, 18(6): 691-700. DOI: 10.3878/j.issn.1006-9895.1994.06.06
Citation: Wu Renguang, Chen Lieting. Relationship between the Global Circulation at 500 hPa and Meiyu in Mid- and Low-Reaches of the Yangtze River[J]. Chinese Journal of Atmospheric Sciences, 1994, 18(6): 691-700. DOI: 10.3878/j.issn.1006-9895.1994.06.06

长江中下游地区梅雨期降水与全球500hPa环流的关系

Relationship between the Global Circulation at 500 hPa and Meiyu in Mid- and Low-Reaches of the Yangtze River

  • 摘要: 本文利用 ECMWF的全球500hPa高度月平均资料分析了长江中下游地区梅雨 期(6、7月)降水与全球同期和前期环流的关系。结果表明,长江中下游地区梅雨期降水不仅与北半球,尤其是欧亚地区的环流有关,而且与南半球同期和前期环流亦存在相当程度的联系,特别是发现了当2月份南印度洋中高纬度地区经向环流发展时,长江中下游地区梅雨期降水容易偏多。此外,南极极涡的强度变化也与长江中下游地区梅雨存在某种程度联系。

     

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