地理研究 ›› 1988, Vol. 7 ›› Issue (2): 87-93.doi: 10.11821/yj1988020011

• 论文 • 上一篇    下一篇

陕西省气候的主成分分析与区划

缪启龙1, 李兆之2, 窦永哲3   

  1. 1. 南京气象学院;
    2. 陕西省气象局;
    3. 山西省气象局
  • 收稿日期:1986-08-12 修回日期:1987-04-17 出版日期:1988-06-15 发布日期:1988-06-15

ANALYSIS OF THE MAJOR COMPONENTS OF THE CLIMATE AND ITS DEMARCATION IN SHANXI PROVINCE

Miao Qilong1, Li Zhaoyuan2, Dou Yongzhe3   

  1. 1. Nanjing Institute of Meteorology;
    2. Weather Bureau of Shanxi Province;
    3. Weather Bureau of Shanxi Provinces
  • Received:1986-08-12 Revised:1987-04-17 Online:1988-06-15 Published:1988-06-15

摘要: P个气候要素、n个站点的气候要素场,由主成分分析,可用前m个主成分反映气候要素场的主要气候特征,由各主成分的空间分布,可以分析各地的气候特征。据此,将陕西省划分为5个气候亚带11个气候区。

关键词: 主成分分析, 气候区划

Abstract: Analysis has been made of the major components of phelimatic factors at n weather stations in Shanxi Province. The first m major components indicate the main characteristic features in the climatic field and thus types of climate in the Province are shown from the spatial distribution of the major components.In the analysis of the major components of the climatic field in the Province, the" first 3 components provide 88.8 percent informatin on the climatic field.The first component shows the water content, the second the heat condition and the third the snow accumulation and strong wind. Accordingly, the whole province can be divided into five climatic sub-zones and eleven climatic areas.

Key words: analysis of the major components, climatic demarcation