Reply [to “Comment on ‘Stochastic analysis of macrodispersion in a stratified aquifer’ by L. W. Gelhar, A. L. Gutjahr, and R. L. Naff, and on ‘A derivation of the macroscopic solute transport equation for homogeneous, saturated, porous media’ by S.-Y. Chu

1981 ◽  
Vol 17 (6) ◽  
pp. 1739-1740 ◽  
Author(s):  
Lynn W. Gelhar ◽  
Allan L. Gutjahr ◽  
Richard L. Naff
Keyword(s):  
Porous Media ◽  
Solute Transport ◽  
Transport Equation ◽  
Stochastic Analysis ◽  
Saturated Porous Media

Experimental investigation of solute transport in variably saturated porous media using x-ray computed tomography

2021 ◽  
Vol 33 (7) ◽  
pp. 076610
Author(s):  
Chunwei Zhang ◽  
Yun She ◽  
Yingxue Hu ◽  
Zijing Li ◽  
Weicen Wang ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Experimental Investigation ◽  
Porous Media ◽  
Solute Transport ◽  
Saturated Porous Media ◽  
X Ray ◽  
X Ray Computed

Vadose Zone, Part I : Characterization and Flow Processes

2003 ◽  
Author(s):  
Yoram Rubin
Keyword(s):  
Porous Media ◽  
Water Flow ◽  
Governing Equation ◽  
Vadose Zone ◽  
Stochastic Analysis ◽  
Transport Processes ◽  
Richards Equation ◽  
Saturated Porous Media ◽  
Flow And Transport ◽  
Flow Processes

Many of the principles guiding stochastic analysis of flow and transport processes in the vadose zone are those which we also employ in the saturated zone, and which we have explored in earlier chapters. However, there are important considerations and simplifications to be made, given the nature of the flow and of the governing equations, which we explore here and in chapter 12. The governing equation for water flow in variably saturated porous media at the smallest scale where Darcy’s law is applicable (i.e., no need for upscaling of parameters) is Richards’ equation (cf. Yeh, 1998)

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