J4 ›› 2003, Vol. 21 ›› Issue (4): 1-5.

• 论文 •    下一篇

中国北方干旱的气候特征及其成因的初步研究

李维京赵振国李想孙林海   

  1. 国家气象候中心.北京100081
  • 收稿日期:2003-11-19 修回日期:2003-12-19 出版日期:2003-12-31 发布日期:2003-12-31
  • 作者简介:李维京(1955-),男,正研级高级上程师,主要从事气象学、气候动力模式与数值模拟研究
  • 基金资助:

    国家自然科学基金项目((40375025)资助

The drought characteristics analysis in North China and its causes of formation

 LI Wei-Jing, DIAO Zhen-Guo, LI Xiang, SUN Lin-Hai   

  1. National Climate Center ,Beijing  100081 ,China
  • Received:2003-11-19 Revised:2003-12-19 Online:2003-12-31 Published:2003-12-31

摘要:

文中重点分析了我国北方干旱气候的基本特征.并从影响中国气候异常的主要因子初步探讨了干旱的成因。指出在全球与东亚区域气候变暖的背景下.主要影响因子的年际异常变化和年代际振荡是我国干旱气候形成的主要原因。

关键词: 干旱特征, 成因分析, 气候变化

Abstract:

In this paper,.the spatial and temporal characteristics of drought in China are the analyzed. On the basis of the main factors of the influence of China climate anomaly .the causes of drought are also studied.  It is shown that the causes of formation are mostly the
global and regional climate warming .the inter一annual and decadal oscillation of the main factors.

Key words: drought feature , cause analysis of drought , climate change

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