Modeling of Nitrate Transport Coupled Dentrification in the Saturated Zone

by Mark A. Widdowson, Univ of South Carolina, United States,

Document Type: Proceeding Paper

Part of: National Water Conference


A numerical model for simulating nitrate transport coupled to microbial activity in the saturated zone is presented. A coupled system of equations describes the transport and microbial utilization of dissolved nitrate, organic carbon and oxygen. The model is used to explore hydrologic and chemical-microbial factors that influence the fate of nitrate below the water table.

Subject Headings: Hydrologic models | Nitrates | Coupling | Microbes | Simulation models | Fluid flow | Saturated soils | Soil water

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