A Study of Selected Environmental Parameters of Small Coastal Lagoons as a Function of Extent of Urban Development, Hydraulics of the Tidal Inlet, and Hydrology of the Contributing Drainage Areaby Harold R. Henry, Univ of Alabama, Civil Engineering, Dep, University, AL, USA,
George P. Whittle, Univ of Alabama, Civil Engineering, Dep, University, AL, USA,
David M. Coley, Univ of Alabama, Civil Engineering, Dep, University, AL, USA,
Hang-Shin Shih, Univ of Alabama, Civil Engineering, Dep, University, AL, USA,
Abstract: In coastal areas many small brackish water lagoons or embayments connected to the sea by small tidal inlets are at tractive to residential and commercial developers, especially those emphasizing vacationing, tourism, boating, watersports and other recreational activities. Development in the vicinity of these areas commonly results in contaminated surface runoff entering the lagoon. Also, in the early stages of development, the method of sanitary sewage disposal is often by septic tanks, seepage from which may enter the lagoons. The objective of this research is to determine the relationships among the extent of lagoon contamination, the extent of urban development, the hydrology of the contributing drainage areas and the hydraulics of the tidal inlet.
Subject Headings: Lagoons | Water-based recreation | Tides | Inlets (waterway) | Pollution | Drainage | Runoff
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