喀斯特地貌演化与喀斯特含水层特性相关模型

喀斯特地貌演化与喀斯特含水层特性相关模型

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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-perspectiveSolid-earth regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

喀斯特地貌演化与喀斯特含水层特性相关模型

1. 达西定律

(1)层流:

                Q=KIW

         

式中,Q为流量;K为渗透系数;I为水力坡度;W为过水断面面积;h为水位;l为两水位测量点之间的距离;μ为水的黏滞系数;p为水的压强;b为裂隙宽度;y为流速测量点到裂隙宽度中心点的距离;x为水流流程。

(2)絮流:

                   Q=KI½W

                   V=KI

(3)纳维埃-司托克斯方程式和连续方程式:

        

2. 喀斯特地貌发育的动力方程式

(1)冰州石的溶解方程式:

           

式中,Ca为Ca2+的克分子浓度;Cas为饱和度;A为冰州石粉的总表面积;V为水溶液体积;KC为反应速度常数。

(2)碳酸盐岩地区的剥蚀量D(T/a):

            

式中,Q为流量;H为水中Ca+Mg的硬度;S为含沙量;K为计算系数;tR为观测时段。

(3)剥蚀速度:

        

式中,A为碳酸盐岩分布面积;ρ为碳酸盐岩的密度;K为换算系数。

(4)剥蚀速度(仅为化学剥蚀速度)

         

式中,KCCaCO3Ca2++CO2-3的平衡常数;KH2CO3H2CO3H++HCO-3的平衡常数;KHCO-3HCO-3H++CO2-3的平衡常数;KCO2CO2(气)CO2(溶)+CO2(溶)+H2OH2CO3的平衡常数。

宋林华:喀斯特地貌演化与喀斯特含水层特性。地理研究,1986,5(4)

 

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How to Cite

《资源环境数学模型手册》 (2018). 喀斯特地貌演化与喀斯特含水层特性相关模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/a90d6a43-d4ca-44d8-92f2-c97439e92ccb
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Last modifier : 
zhangshuo
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2020-11-30
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Contributor(s)

initial contribute: 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 : 
2020-11-30
Modify times : 
View History

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