冲积平原盐碱低洼地治理模式

冲积平原盐碱低洼地治理模式

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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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冲积平原盐碱低洼地治理模式

(1)确定影响潜水井的影响半径公式:

                

式中,S为井中的水位降深;H为无压含水层的厚度;K为含水层的渗透系数。

(2)单井涌水量的推算公式:

1)巴布什金近似公式:

        

式中,L为过滤器有效部分长度或井的有效渗透部分的长度;R为影响半径;r为单井过滤器的半径。

2)经验公式:

     

式中,QCOB为完整井的涌水量;ha为当抽水达到有效带的界限时,自井水中水位的含水层的厚度。

3)地下水的调节储量:

             

式中,QP为调节储量;MB为给水系数;WP为在地下水具有自由表面的地段上,高低水位之间含水层所占的体积。

春浩:黄淮海冲积平原盐碱低洼地治理模式——以禹城县北丘洼为例。地理研究,1990,9(1)

 

How to Cite

《资源环境数学模型手册》 (2018). 冲积平原盐碱低洼地治理模式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/302a777d-53e8-4836-956f-e53d31dae29e
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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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