American Society of Civil Engineers

Hydrology, Hydrodynamics, and Sediment Transport Investigation in a Small Wetland: Upper Dorn Creek Wetland, Wisconsin

by J. S. Rogers, (MS, Department of Civil and Environmental Engineering, University of Wisconsin-Madison E-mail: and C. H. Wu, (Associate Professor of Civil and Environmental Engineering, University of Wisconsin-Madison, 1261C Engineering Hall, 1415 Engineering Drive, Madison, WI 53706 E-mail:
Section: Riverine Wetlands, pp. 1-7, (doi:

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Document type: Conference Proceeding Paper
Part of: World Environmental and Water Resources Congress 2007: Restoring Our Natural Habitat
Abstract: A small 44.9 hectare wetland in Southern Wisconsin was monitored to determine its characteristics in terms of hydrology, hydraulics and sediment transport. Peak flowrates were observed to be attenuated by the wetland for storms up to a 1.5 year recurrence interval. Wetland inundation calculated from the HECRAS model, indicated that the wetland experienced a 15% inundation during baseflow, and 60% inundation during the largest observed event. The sediment and phosphorous (P) analysis for the wetland area indicated that the wetland served as a sediment and P sink during small events, but tended to serve a sediment and P source during larger events. The total sediment budget indicated a large removal of sediment from the wetland, and the total P budget for the season was near zero.

ASCE Subject Headings:
Sediment transport