Hydraulic Design of Subsurface Flow Wetlands

by Edward L. Marsteiner, (S.M.ASCE),
Thomas L. Theis, (M.ASCE),
Anthony G. Collins, (M.ASCE),
Thomas C. Young,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Although Subsurface Flow Wetlands (SFW) have received steadily increasing international attention during the past 10 to 15 years, comprehensive design criteria are not available for some conditions (Reed, 1992). Hydraulic design criteria, in particular, are limited for subsurface flow systems. Apart from the porosity of the wetland cell itself, the two key elements in hydraulic design are the inlet and outlet structures. Many different design schemes, some of them quite novel, have been attempted with varying degrees of success. The goal of this paper is to provide performance data for some of these design alternatives.

Subject Headings: Hydraulic design | Subsurface flow | Wetlands (fresh water) | Structural members | Structural design | Porosity | Inlets (waterway)

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