Comment on “Macrodispersion in sand-shale sequences” by A. J. Desbarats
January 1, 1991
Desbarats [1990] used a particle-tracking scheme to investigate the physics of three-dimensional solute transport in aquifers composed of two porous media of different hydraulic conductivities. The spatially heterogeneous fluid velocity was assumed to be the only mechanism of solute movement; local or pore scale dispersion and molecular diffusion were assumed to be negligible. The particle-tracking scheme used by Desbarats consisted of routing particles from node to node in a finite difference grid. In this scheme, the direction of an individual particle is randomly selected and the prob- ability associated with the particle movement in a given direction is proportional to the fluid flux in that direction. The same method was used by Moreno et al. [1988] to investigate advective transport in a variable-aperture planar fracture.
Citation Information
| Publication Year | 1991 |
|---|---|
| Title | Comment on “Macrodispersion in sand-shale sequences” by A. J. Desbarats |
| DOI | 10.1029/90WR02309 |
| Authors | Daniel J. Goode, Allen M. Shapiro |
| Publication Type | Article |
| Publication Subtype | Journal Article |
| Series Title | Water Resources Research |
| Index ID | 70176683 |
| Record Source | USGS Publications Warehouse |
| USGS Organization | Pennsylvania Water Science Center |
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Daniel J Goode
Research HydrologistStationed atWeb CommunicationsEmailAllen M. Shapiro, Ph.D. (Former Employee)
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