地理学报

地理学报 ›› 1989, Vol. 44 ›› Issue (2): 195-204.doi: 10.11821/xb198902008

• 论文 • 上一篇    下一篇

沙波推移率公式的改进和验证及其应用

黄进   

  1. 中山大学地理系,广州
  • 收稿日期:1987-12-01 出版日期:1989-04-15 发布日期:1989-04-15
  • 基金资助:
    国家自然科学基金

THE IMPROVEMENT AND VERIFICATION OF THE FORMULAS OF BED LOAD RATE FOR SAND WAVE AND THEIR APPLICATION

Huang Jin   

  1. Department of Geography, Zhongshan University, Guangzhou
  • Received:1987-12-01 Online:1989-04-15 Published:1989-04-15

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3

摘要： 本文把沙波推移率公式g_s=αγ‘h_sw_s改进为g_s=0.56γ'A/Δt,使沙波推移率计算更为简便和精确。提出在单宽流量一致时，沙波上游波面推移率分布可用g_s=φγ'A/Δt来表达。对上述公式的验证和应用及推移率计算等方面皆作了论述。

关键词: 沙波, 沙波高度, 沙波速度, 推移率

Abstract: The formula currently used for calculating the bed load rate of sand wave is gs=αγ'hsws. The average volume factor we have measured in the natural river courses appr-oximates to 0.56.

Key words: Sand wave, Sand wave height, Sand wave velocity, Bed load rate