地理科学 ›› 2005, Vol. 25 ›› Issue (4): 420-426.doi: 10.13249/j.cnki.sgs.2005.04.420

• 论文 • 上一篇    下一篇

澜沧江径流量变化与云南降水量场变化的相关性特征

尤卫红1, 何大明2, 郭志荣1   

  1. 1. 云南大学资源环境与地球科学学院, 云南 昆明 650091;
    2. 云南大学亚洲国际河流中心, 云南 昆明 650091
  • 收稿日期:2004-07-13 修回日期:2004-11-28 出版日期:2005-07-20 发布日期:2005-07-20
  • 基金资助:
    国家重点基础研究发展(1973计划)(2003CB415100)、云南省自然科学基金项目(2004D0005M和2001D0002Z)、云南大学重点科研项目(2002Z003ZH)。

Correlation Characteristics Between Lancang River Flow Change and Precipitation Field Change in Yunnan

YOU Wei-Hong1, HE Da-Ming2, GUO Zhi-Rong1   

  1. 1. School of Resource Environment and Earth Science, Yunnan University, Kunming, Yunnan 650091;
    2. Asia International Rivers Center, Yunnan University, Kunming, Yunnan 650091
  • Received:2004-07-13 Revised:2004-11-28 Online:2005-07-20 Published:2005-07-20

摘要: 为了考查气候变化对澜沧江-湄公河流域水文水生态环境变化影响的基本事实,文章以云南境内澜沧江的逐月径流量观测数据和云南的同期月降水量场观测数据为基础,应用相关系数的分析方法,研究了云南境内澜沧江径流量变化与云南降水量场变化的相关性特征。结论为:澜沧江的跨境径流量变化与云南的降水量场变化之间存在有十分显著的相关关系,澜沧江的跨境径流量变化主要是由于云南降水量场的变化造成的。总体来说,云南降水量场变化对澜沧江跨境径流量变化的影响在4个季节内都是显著的,其中显著性最好的是3~5月的春季,其次分别是6~8月的夏季和9~11月的秋季,较差的是12~2月的冬季。

Abstract: In order to investigate the basic facts that the climate changes influence the hydrological and water ecological environment variations of the Lancang-Mekong River Basin, this paper studies on the correlation characteristics between the Lancang River flow change and the precipitation field change over Yunnan based on the observational data of the Lancang River flow and precipitation field in Yunnan and using the correlation analysis method. The results show that there is a very significant correlation between the transboundary flow variations for the Lancang River and the precipitation field variations over Yunnan. The main reasons for the transboundary flow variations of the Lancang River are the variations of the precipitation field over Yunnan. In general, the precipitation field variations over Yunnan significantly influence the transboundary flow variations for the Lancang River in four seasons, and the best season is in Spring of March-May, the secondary seasons are Summer of June-August and Autumn of September-November, but the relatively poor season is Winter of December-February.

中图分类号: 

  • P426.63+2