Bibliographic Citation
| Document | For copies of Journal Articles, please contact the Publisher or your local public or university library and refer to the information in the Resource Relation field. For copies of other documents, please see the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or Document Availability. |
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| DOI | http://dx.doi.org/10.1016/S0956-053X(97)00006-8 |
| Title | Modelling of contaminant transport within a marshland environment |
| Creator/Author | Fernandes, L. [Univ. of Ottawa, Ontario (Canada). Civil Engineering Dept.] ; Warith, M.A. [Ryerson Polytechnic Univ., Toronto, Ontario (Canada). Dept. of Civil Engineering] ; Forge, F. La [Constoga-Rovers and Associates, Nepean, Ontario (Canada)] |
| Publication Date | 1996 Dec 31 |
| OSTI Identifier | OSTI ID: 544134 |
| Other Number(s) | Journal ID: WAMAE2; ISSN 0956-053X; TRN: TRN: IM9749%%86 |
| Resource Type | Journal Article |
| Resource Relation | Journal Name: Waste Management; Journal Volume: 16; Journal Issue: 7; Other Information: PBD: 1996 |
| Subject | 54 ENVIRONMENTAL SCIENCES; WETLANDS; ENVIRONMENTAL TRANSPORT; MATHEMATICAL MODELS; WATER POLLUTION; ONTARIO; FINITE DIFFERENCE METHOD; SURFACE WATERS; FORECASTING; POLLUTANTS; SOILS |
| Description/Abstract | Since the early 1980s, leachate originating from the Alice and Fraser Municipal Landfill site, an active landfill site located near Pembroke, Ontario, has been discharged into a natural marshland system located some 300 m down-gradient from the waste disposal site. However, monitoring of the water quality within the marshland indicates that the contaminant level has not yet surpassed the background concentration values downstream from the main impacted area. A mathematical modelling procedure was developed in an attempt to predict the mobility of several contaminant species within the marshland environment. Parameters needed for the predictive model were gathered based on the physical configuration of the landfill and marshland as well as associated laboratory-derived data on the attenuation capacity of the marshland soil matrix. A multidimensional finite-difference model based on the Advection-Dispersion equation was used to predict migration of the contaminants. The model was adapted to the hydrologic characteristics of the marshland, emphasizing groundwater flow, dilution and the adsorption capacity of the organic soil. The surface water flow in the marshland was assumed to be at the marshland surface, i.e., only the groundwater flow in the organic soil layer was considered in this investigation. Modelling results indicate that marshland soil has the capacity to substantially retard the migration of several contaminant species typically found in landfill leachate. |
| Country of Publication | United States |
| Language | English |
| Format | Medium: X; Size: pp. 649-661 |
| System Entry Date | 2008 Feb 05 |
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Last Updated: 11/19/2009