A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Big Slough Watershed Study Status Report. Preliminary Storm Water Management Model (SWMM) Results
The Big Slough watershed encompasses 195 square miles in Sarasota, Manatee and DeSoto counties and drains into the Myakka River on the west coast of Florida. The watershed is largely agricultural/rural. The City of North Port was largely developed by General Development Corporation in the 1960's. Much of the 74.5 square miles within the corporate boundaries have been cleared, and improved with roads and drainage, although only 7% of the platted lots presently have building structures. Even at this low density, coastal flooding has occurred several times in past few years, creating impassable conditions for several days on the primary evacuation routes. In order to evaluate the magnitude of flooding associated with future development, sub-basin and conveyance characteristics were determined and compiled as an input data set for the US EPA Stormwater Management Model (SWMM). Both the RUNOFF and EXTRAN simulation blocks were used to develop preliminary flood profiles for comparison with observed data. The interim project report describes the development of sub-basin characteristics, preliminary model calibration and verification results for two separate storm events. In addition, peak runoff rates were evaluated for several storms of varying duration and antecedent moisture conditions to define a design storm for additional studies.
Big Slough Watershed Study Status Report. Preliminary Storm Water Management Model (SWMM) Results
The Big Slough watershed encompasses 195 square miles in Sarasota, Manatee and DeSoto counties and drains into the Myakka River on the west coast of Florida. The watershed is largely agricultural/rural. The City of North Port was largely developed by General Development Corporation in the 1960's. Much of the 74.5 square miles within the corporate boundaries have been cleared, and improved with roads and drainage, although only 7% of the platted lots presently have building structures. Even at this low density, coastal flooding has occurred several times in past few years, creating impassable conditions for several days on the primary evacuation routes. In order to evaluate the magnitude of flooding associated with future development, sub-basin and conveyance characteristics were determined and compiled as an input data set for the US EPA Stormwater Management Model (SWMM). Both the RUNOFF and EXTRAN simulation blocks were used to develop preliminary flood profiles for comparison with observed data. The interim project report describes the development of sub-basin characteristics, preliminary model calibration and verification results for two separate storm events. In addition, peak runoff rates were evaluated for several storms of varying duration and antecedent moisture conditions to define a design storm for additional studies.
Big Slough Watershed Study Status Report. Preliminary Storm Water Management Model (SWMM) Results
1990
18 pages
Report
No indication
English
Hydrology & Limnology , Emergency Services & Planning , Urban Administration & Planning , Regional Administration & Planning , Watersheds , Flood forecasting , Disaster planning , Computerized simulation , Florida , Coastal regions , Storm water runoff , Flood profiles , Tables(Data) , Comparisons , Land development , Coastal zone management , Storm Water Management Model , Big Slough Watershed , Western Region(Florida) , RUNOFF computer program , EXTRAN computer program
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