地理科学 ›› 1988, Vol. 8 ›› Issue (2): 136-145,199.doi: 10.13249/j.cnki.sgs.1988.02.136

• 论文 • 上一篇    下一篇

近三十年黄淮海降水演变特征

许孟英   

  1. 中国科学院地理研究所 北京
  • 出版日期:1988-03-20 发布日期:1988-03-20

THE CHARACTERISTICS OF PRECIPITATION VARIATION DURING LAST THIRTY YEARS IN HUANG-HUANG-HUAI-HAI BASIN

Xu Mengying   

  1. Institute of Geography, Academia Sinica, Beijing
  • Online:1988-03-20 Published:1988-03-20

摘要: 本文根据1951—1980年黄淮海地区50个气象站逐月降水资料,采用等级划分方法,分为五个等级,即多、偏多、正常、偏少、少。分析五种降水月出现频数,不同季节多雨月和少雨月次的年际变化,以及降水的周期变化。

Abstract: Based on the monthly precipitation data from January to December during 1951 to 1980 from 50 stations in Huang-Huai-Hai basin,precipitation is classified into five grades; flood, slight flood, normal, slight drought and drought. The frequency of five precipitation months, the interannual change of flood, drought and normal in different seasons and the periodical variation of five prvecipitation grades are anaIyzed.