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GLIN==> Grand River Sediment Transport Modeling Study Released



Contact: Travis Dahl, 313-226-2137, Travis.A.Dahl@usace.army.mil

Grand River Sediment Transport Modeling Study Released

The U.S. Army Corps of Engineers, Detroit District, announces the release of
a report on sediment production and delivery in Michigan's Grand River
watershed, marking the completion of a multi-year sediment transport study
for the Lake Michigan tributary. The goal of these sediment transport
studies is to provide modeling tools that can be used by local stakeholders
that will result in better management of the sediments within a watershed.
The Grand River study includes an assessment of flashiness index and the
application of a SWAT (Soil and Water Assessment Tool) model to assess the
effects of land-use change, tillage practice, and buffer strips on sediment
production and transport. The Corps of Engineers and their partners have
been developing this, and other sediment models, to help minimize sediment
delivered to tributaries and federal harbors on the Great Lakes.

This collaborative effort, made possible by funding under the Great Lakes
Tributary Modeling Program, is a joint initiative between the U.S. Army
Corps of Engineers (Great Lakes Region) and the Great Lakes states. Partners
in this effort for the Grand River included Baird & Associates, the City of
Grand Haven, Clinton Soil and Water Conservation District, Grand Haven -
Spring Lake Sewer Authority, Grand Valley State University, Kent County
Drain Office, Michigan Department of Agriculture, Michigan DEQ, Michigan
DNR, Michigan State University's Institute of Water Research, the Ottawa
County Drain Office and Planning Commission, U.S. Geological Survey, and the
U.S. Department of Agriculture - Natural Resources Conservation Service.  

The objective of the Great Lakes Tributary Modeling Program is to develop
tools for watershed planning that are usable and will be used by
stakeholders who make decisions about soil conservation and non-point
pollution prevention measures, and by other stakeholders who might support
these activities. By supporting state and local measures that will reduce
the loading of sediments and pollutants to tributaries, this work is helping
to reduce the need for-and costs of-navigation dredging, while promoting
actions to delist Great Lakes Areas of Concern (AOCs). 

Additional information and the final report for the Grand River study can be
found on the project website at: http://glc.org/tributary/models/grand.html.

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The above announcement is being forwarded to you by the Great Lakes
Commission as part of the Great Lakes Tributary Modeling Program. The Great
Lakes Commission provides technical and administrative support to the Corps
of Engineers in the implementation of this important initiative, as directed
by Section 516(e) of the Water Resources Development Act of 1996. The
Commission helps to facilitate the Corps' coordination with the Great Lakes
states and the Great Lakes Basin Program for Soil Erosion and Sediment
Control, a U.S. Department of Agriculture grant program for soil
conservation that is managed by the Commission.

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