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Development of Flood Peak Regression Equatins for Small Watersheds in Southwest Florida

by Udai P. Singh, CH2M Hill, Gainesville, FL, USA,



Document Type: Proceeding Paper

Part of: Development and Management Aspects of Irrigation and Drainage Systems

Abstract:

Hydrologic investigations were performed on the Belle Meade-Royal Palm Hammock area in Collier County, Florida. The study area, encompassing approximately 79 square miles (205 km**2), was divided into four watershed systems. These were in turn further divided into subbasins, most of which were between 5 and 10 square miles (13 and 26 km**2) in area, and analyzed separately to determine estimates of flood magnitudes along the poorly defined natural flow-ways. The HYMO computer program was used to construct a computerized rainfall-runoff model of each watershed system. Based on the data from the HYMO analysis and the individual subbasin hydrologic characteristics from the 10 subbasins, regression equations were developed relating each watershed drainage area and watershed slope to peak runoff, for the 25-year and 100-year storms.

Subject Headings: Watersheds | Regression analysis | Floods | Computer models | Hydrologic models | Runoff | Rainfall-runoff relationships | Florida | United States

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