地理科学 ›› 1996, Vol. 16 ›› Issue (1): 3-9.doi: 10.13249/j.cnki.sgs.1996.01.3

• 论文 • 上一篇    下一篇

我国汛期降水与ENSO不同位相的联系

钱步东   

  1. 河海大学水资源水文系 南京210098
  • 收稿日期:1994-08-01 修回日期:1995-08-01 出版日期:1996-01-20 发布日期:1996-01-20
  • 基金资助:
    河海大学科学基金资助

CHINESE PRECIPITATION PATTERNS IN FLOOD SEASON ASSOCIATED WITH THE EL NINO/SOUTHERN OSCILLATION

Qian Budong   

  1. Department of Water Resources and Hydrology, Hehai University, Nanjing 210098
  • Received:1994-08-01 Revised:1995-08-01 Online:1996-01-20 Published:1996-01-20

摘要: 利用本世纪以来较长年代的降水资源,分析了ENSO与我国各地(尤其是东部地区)汛期降水间的联系.结果表明,不仅 ENSO暖位相(EIÑino年)与冷位相(LaÑino年)我国汛期降水距平百分率的分布存在明显差异,而且EIÑino年与其次年、LaÑino年与其次年降水距平百分率的分布均存在显著差异.

Abstract: The Chinese precipitation patterns in flood season associated with the ElÑino/southern Oscillation(ENSO) are investigated, especially in the eastern China, using the rather long period rainfall data in this century. The results show that there are remarkable differences between the precipitation patterns in ENSO warm phase (ElÑino year) and cold phase (LaÑino year) flood seasons, as well as between the patterns in ElÑino years and their next years. The most parts of China receive below normal rainfall in ElÑino year flood seasons, but the coastal area of Southeast China receives above normal amounts. Comparatively, the most parts of China receives above normal rainfall in ElÑino’s next year flood seasons, but the eastern part of the reaches among the Huanghe (Yellow) River, the Huaihe River and the Haihe River, and theÑortheast China receive less. During ENSO cold phase, the reaches of the Changjiang(Yangtze) River and theÑorth China receive more amounts than normal rainfall in LaÑino year flood seasons, and the other regions of China receive less. In LaÑino next years, the coastal area of the Southeast China, the most part of theÑortheast China and the regions between the Huanghe River and the Huaihe River receive more precipitation during flood seasons, but the other parts receive below normal precipitation.