scholarly journals Generalizing Source Geometry of Site Contamination by Simulating and Analyzing Analytical Solution of Three-Dimensional Solute Transport Model

2014 ◽  
Vol 2014 ◽  
pp. 1-8
Author(s):  
Xingwei Wang ◽  
Jiajun Chen ◽  
Hao Wang ◽  
Jianfei Liu
Keyword(s):  
Solute Transport ◽  
Contaminant Transport ◽  
Transport Model ◽  
Three Dimensional ◽  
Fate And Transport ◽  
Source Area ◽  
Equation Model ◽  
Plume Migration ◽  
Advective Diffusion ◽  
Source Geometry

Due to the uneven distribution of pollutions and blur edge of pollutant area, there will exist uncertainty of source term shape in advective-diffusion equation model of contaminant transport. How to generalize those irregular source terms and deal with those uncertainties is very critical but rarely studied in previous research. In this study, the fate and transport of contaminant from rectangular and elliptic source geometry were simulated based on a three-dimensional analytical solute transport model, and the source geometry generalization guideline was developed by comparing the migration of contaminant. The result indicated that the variation of source area size had no effect on pollution plume migration when the plume migrated as far as five times of source side length. The migration of pollution plume became slower with the increase of aquifer thickness. The contaminant concentration was decreasing with scale factor rising, and the differences among various scale factors became smaller with the distance to field increasing.

Importance of DOC in sediments for contaminant transport modelling

1998 ◽  
Vol 38 (11) ◽  
pp. 193-199
Author(s):  
Byung-Gi Hwang ◽  
Kwan-Soo Jun ◽  
Young-Dae Lee ◽  
Wu-Seng Lung
Keyword(s):  
Contaminant Transport ◽  
Transport Model ◽  
Fate And Transport ◽  
Modeling Framework ◽  
Transport Modelling ◽  
Phase Partitioning ◽  
Three Phase ◽  
New Bedford Harbor ◽  
Interstitial Waters ◽  
Diffusive Exchange

Contaminants in the interstitial waters are not only dissolved but also associated with a filterable colloidal phase such as DOC. The DOC plays an important role regulating the distribution of chemicals between particulate and dissolved phases since it binds chemicals and makes them unavailable for vertical diffusive exchange. A three-phase partitioning model that consists of free-dissolved, DOC-bound, particulate-bound components of the chemicals involved is used for the contaminant transport model in order to include the effect of DOC on the partition coefficient. The contaminant model is linked to WASP modeling framework to predict remobilization of PCBs in sediments and the fate and transport of the contaminant in overlying waters of the New Bedford Harbor where the harbor has been contaminated with PCBs and heavy metals released from electronic capacitor manufacturers. Simulation of remedial controls indicates that if no action is taken, PCB concentrations will continue to be at elevated levels. Several scenarios for the removal of contaminated sediments have been performed to reduce the elevated PCB concentrations to background levels.

A Three-Dimensional Mixing Cell Solute Transport Model and Its Application

Ground Water ◽  
1989 ◽  
Vol 27 (4) ◽  
pp. 509-516 ◽  
Author(s):  
Bhasker K. Rao ◽  
Deborah L. Hathaway
Keyword(s):  
Solute Transport ◽  
Transport Model ◽  
Three Dimensional

scholarly journals Testing and benchmarking of a three-dimensional groundwater flow and solute transport model

1988 ◽  
Author(s):  
P.N. Sims ◽  
P.F. Andersen ◽  
C.R. Faust ◽  
D.E. Stephenson
Keyword(s):  
Groundwater Flow ◽  
Solute Transport ◽  
Transport Model ◽  
Three Dimensional
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