Pool 3/Upper Pool 4 Channel Management Study. Mississippi River 9-Foot Channel Project. Channel Management Program PDF Download
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Author:
Publisher:
ISBN: 9781423527237
Category :
Languages : en
Pages : 322
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Book Description
The purpose of this study was to evaluate channel management in pool 3 and upper pool 4 on the Mississippi River. The study area is from the head of Lake Pepin upstream to Look and Dam 2 at Hastings, MN. A lateral current problem below Lock and Dam 2 might be solved by extending the lower guard wall, but this would need further study. Shoaling problems were identified in the Big River reach, and shoaling and associated channel maintenance requirements are needed at river miles 799-803. Restoration of 4 wing dams at river mile 805 is recommended to reduce shoaling. Fish habitat benefits will be achieved through notching 18 wing dams and partial removal of another. The notches are designed to promote the formation of scour holes and channels to improve bathymetric diversity. Construction of a new spot dike at Carter Slough (river mile 807.3) is recommended to prevent habitat degradation occurring as a result of a bypass of the existing spot dike, and to assure the long term integrity of pool 3.
Author:
Publisher:
ISBN: 9781423527237
Category :
Languages : en
Pages : 322
Get Book
Book Description
The purpose of this study was to evaluate channel management in pool 3 and upper pool 4 on the Mississippi River. The study area is from the head of Lake Pepin upstream to Look and Dam 2 at Hastings, MN. A lateral current problem below Lock and Dam 2 might be solved by extending the lower guard wall, but this would need further study. Shoaling problems were identified in the Big River reach, and shoaling and associated channel maintenance requirements are needed at river miles 799-803. Restoration of 4 wing dams at river mile 805 is recommended to reduce shoaling. Fish habitat benefits will be achieved through notching 18 wing dams and partial removal of another. The notches are designed to promote the formation of scour holes and channels to improve bathymetric diversity. Construction of a new spot dike at Carter Slough (river mile 807.3) is recommended to prevent habitat degradation occurring as a result of a bypass of the existing spot dike, and to assure the long term integrity of pool 3.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 674
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Book Description
Author:
Publisher:
ISBN: 9781423527220
Category :
Languages : en
Pages : 428
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Book Description
The purpose of this study was to evaluate channel management in pool 5 on the Mississippi River, from Lock and Dam 5 at river mile 738.2 upstream to Lock and Dam no. 4 at river mile 752.8. Study efforts focused on measures to reduce the frequency of dredging problem areas, preventive maintenance, and using dredged material to construct islands habitat purposes. No significant navigation problems were identified aside from channel shoaling in the mid-pool reach. There has been significant decline in fish and wildlife habitat in the lower portion of pool 5 due primarily to loss of islands, sand sediments in backwater habitats, decline in aquatic vegetation and a reduction in bathymetric diversity. The primary restoration measure is the construction of five small islands in lower Belvidere Slough area using channel maintenance dredged material. Wing dam notching will also improve fish habitat.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 708
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Author: Anna Serra-Llobet
Publisher: Springer
ISBN: 3319716735
Category : Science
Languages : en
Pages : 164
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Book Description
The past half century has seen an evolution in thinking from ‘flood control’ to ‘flood risk management’, recognizing that risk results from both hazard and vulnerability. Rather than rely only on engineering structures to reduce flood magnitude or extent, recent policies emphasize avoiding construction in flood-prone areas (or moving people from floodplains), reducing impacts on exposed populations through early warning systems, and insurance to aid in recovery. Implementing this new approach faces many challenges but also offers opportunities for synergies, as described in this book for a range of large floodplain rivers and smaller urban streams across North America and Europe. This book is unique in presenting the voices of those on the front lines of implementing a new paradigm in flood risk management, each river with a unique set of challenges and opportunities derived from its specific geography as well as differences in governance between the American and European contexts.
Author: Great River Environmental Action Team (U.S.)
Publisher:
ISBN:
Category : Dredges
Languages : en
Pages : 380
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Book Description
Author: United States. Army. Corps of Engineers. St. Paul District
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 388
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Book Description
Author: United States. Army. Corps of Engineers. St. Paul District
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 330
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Book Description
Author: Quinta Scott
Publisher: University of Missouri Press
ISBN: 0826218407
Category : Nature
Languages : en
Pages : 418
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Book Description
"A photographic documentation of the Mississippi River, illustrating the geographical and botanical features of the river and its wetlands. Using 200 color photographs and accompanying vignettes, Scott explains how we have changed each site depicted, howwe try to manage and restore it, and the wildlife that occupies it"--Provided by publisher.
