地理科学 ›› 1985, Vol. 5 ›› Issue (2): 138-144.doi: 10.13249/j.cnki.sgs.1985.02.138

• 论文 • 上一篇    下一篇

汉口水文特征的统计研究

陈海龙   

  1. 长江流域规划办公室水文局
  • 出版日期:1985-03-20 发布日期:1985-03-20

A STATISTICAL STUDY ON HYDROLOGICAL CHARACTERISTICS AT HANKOU

Chen Hailung   

  1. Bureau of Hydrology, Yangtze Valley Planning Office
  • Online:1985-03-20 Published:1985-03-20

摘要: 为了研究长江上中游地区旱涝规律、旱涝环流和旱涝预报,我们采用汉口站流量来反映长江上中游地区的旱涝。其原因是汉口站流量序列长,代表性较好。而且我们过去的工作也表明:汉口站流量与其控制汇流面上的同步平均雨深,时程变化趋势基本一致,流量可以反映旱涝。

Abstract: In this paper,the discharge of Yangtze River at Hankou is used as an index to denote drought and flood years in the region of the upper and middle reaches.All mean discharge data during June-Sept.from 1865-1981 may be divided into three different groups by two indicatrixes.Statistical test shows that this classification was reasonable and applicable for hydrological analysis.Based upon what diseribed,these two series group can be classified as 5 types by mean cluster analysis,i.e.summer drought,summer and autumn drought,summer flood, late summer flood,and summer and autumn flood.In addition,the characteristics of hydrology and circulation for each type have been discussed in detail here. According to 18 primary factors,which the correlation coefficient in reference to Hankou’s discharge is≥0.5,the discharge forecast at Hankou from June to Sept of 1982 has been made.The values forecasted are as same as those observed.