MODELING OF WATER MOVEMENT WITHIN RECLAMATION COVERS ON OILSANDS MINING OVERBURDEN PILES 1

2002 
The hydrologic performance of four different soil cover systems used to cover saline-sodic overburden has been studied at the Syncrude Canada Limited mine site since 1999. Part of this study requires the creation of computer models, using the program SoilCover 2000, that can accurately simulate the water movement within these soil covers. During the modeling process, due to the heterogeneity of the soils used in the cover systems, multi-modal soil-water characteristic curves and hydraulic conductivity functions were implemented for better reproduction of the field measurements and for increased ease of calibration. The vegetation on the covers also had a profound effect on the water movement within the covers. By understanding these three key parameters, the authors were able to greatly improve the models' results.
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