地理学报 ›› 1990, Vol. 45 ›› Issue (3): 331-340.doi: 10.11821/xb199003009

• 论文 • 上一篇    下一篇

黄淮海平原河流的纵剖面凹度特征

许炯心   

  1. 中国科学院,国家计委地理研究所,北京
  • 出版日期:1990-07-15 发布日期:1990-07-15
  • 基金资助:

A STUDY OF LONGITUDINAL PROFILE CONCAVITY OF RIVERS IN THE NORTH CHINA PLAIN

Xu Jiongxin   

  1. Institute of Geography, Chinese Academy of Sciences, Beijing
  • Published:1990-07-15 Online:1990-07-15

摘要: 本文以黄淮海平原为例,对于冲积河流纵剖面凹度的形成机理及其与不同河型的关系,进行了初步探讨。

关键词: 黄淮海平原, 纵剖面, 凹度河流能耗率, 含沙量, 流量相对变化率

Abstract: It has been suggested in this paper that the profile concavity of rivers can be expressed by the exponent in the power function describing the relation of elevation fall to river length, and by using this index the formation cause of channel profile concavity of alluvial rivers has been dealt with based on data from the rivers in the North China Plain.

Key words: Rivers in the Huanghuaihai Plain, Longitudinal profile, Concavity of river profile, Sediment concentration, Relative rate of change of wager discharge