估算古水文要素的模型

估算古水文要素的模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveLand regions

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Chinese {{currentDetailLanguage}} Chinese

估算古水文要素的模型

 

(1)    河相关系法:

式中,为粉沙-黏土含量;分别为河床、河岸的粉沙-黏土百分含量;为河宽;为河深。

式中,为宽深比;为曲率;为比降;为河宽;为河深;为河曲波长;为年平均洪峰流量。

(2)    地貌-水力学法:

式中, 为实测的流速河流量;为根据谢才-满宁公式计算出的流速和流量。

(3)    水力学方法:

式中,为古水流的临界单宽流量为典型颗粒;为河床比降;为与Shields函数有关的古水流流速系数,为泥沙容重;为水的容重;为希尔兹的推移质输沙函数。

(4)    古水系方法:

式中,为每上的年平均洪峰流量;为河网密度。

 

参考文献:

曹银:古水文及其研究方法。地理研究,1988,72

How to Cite

《资源环境数学模型手册》 (2018). 估算古水文要素的模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/678eb319-fa4c-40ee-ae77-ffed8c6bc6ea
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Last modifier : 
zhangshuo
Last modify time : 
2020-11-11
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
zhangshuo
Last modify time : 
2020-11-11
Modify times : 
View History

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