物质纵向输移公式

物质纵向输移公式

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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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Method-focused categoriesData-perspectiveGeoinformation analysis
Method-focused categoriesProcess-perspectivePhysical process calculation

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Chinese {{currentDetailLanguage}} Chinese

物质纵向输移公式

  

(1)单宽水体输移量(沿河道轴线单宽潮周期平均输水量):

             

(2)瞬时悬沙输移量(单宽瞬时悬沙输移量为):

        

 

(3)单宽沙输移量(沿河槽轴线单宽悬沙输移量为):

     

式中,<>表示潮平均;u(--)0h0为平均流项;<u(--)tht>为潮汐和潮流相关项,也称斯托克斯漂移效应;T为潮周期;x为纵向坐标;t为时间变量;z为相对水深(0≤z≤1);若不计流速脉动项,瞬时流速u(x,z,t)可分解成垂向平均量项及其偏差项之和,即,u=u(--)+uu(--)u又可分解成潮平均量和潮变化项之和,即,u(--)=u(--)0+u(--)tu=u0+ut;同理,悬沙量c(x,z,t)可分解为c=c(--)0+c(--)t+c0+ct;水深h(x,t)可分解为h=h0+ht

沈建,沈焕庭,潘安定等:长江河口最大浑浊带水沙输运机制分析。地理学报,1995,50(5)

 

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How to Cite

《资源环境数学模型手册》 (2018). 物质纵向输移公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/0b59de5f-148f-4eef-87ca-47f355e7bbb3
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Last modifier : 
Zhiyi Zhu
Last modify time : 
2020-11-14
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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 : 
Zhiyi Zhu
Last modify time : 
2020-11-14
Modify times : 
View History

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