Simulating Nonpoint Source Runoff to Coastal Waters

by Steven L. Da Costa, Florida Inst of Technology, Melbourne, FL, USA,
Karen A. Glatzel, Florida Inst of Technology, Melbourne, FL, USA,

Document Type: Proceeding Paper

Part of: Coastal Zone '87


The simulation of nonpoint source runoff to coastal waters is based on data requirements of land use, soil type. Evapotranspiration and runoff capacity are determined from terrestrial climatic water budget bookkeeping methods. Examples of the results of the simulation are given for the east central coast of Florida, in terms of 30 year monthly normal conditions, as a baseline for the Indian River Lagoon watershed. This simulation was used to define a synoptic overview of the nonpoint source component of total runoff to the lagoon. Rationale for using the simulation on a consecutive year basis is presented. Extensions of the simulation to account for irrigation, coastal wetlands, consumptive use, and water table levels are discussed.

Subject Headings: Nonpoint pollution | Runoff | Sea water | Water pollution | Wetlands (coastal) | Hydrologic models | Water table | Land use | Florida | United States

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