Missouri River Planning Recognizing and Incorporating Sediment Management (2011) / Chapter Skim
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1 Introduction
1 Introduction
Pages 13-18
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From page 13... ...
There was a public desire to moderate these adverse effects of flooding, as well as meet demands for reliable water supplies for irrigation and for cities, hydropower production, and a reliable navigation channel. To satisfy these demands, a network of dams and bank stabilization projects was constructed on the Missouri River mainstem and its tributaries, much of it after World War II, with the intent of controlling and then managing the volumes and patterns of flow of both water and sediment in the river.
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From page 14... ...
Today, the dams and bank stabilization projects are maintained and operated by the Corps, Reclamation, and other entities. Management objectives of the system are hydropower generation, recreation within the pools and in reaches between the structures, reliable municipal and irrigation water supplies, fish and wildlife, and maintenance of a commercial navigation channel.
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From page 15... ...
At the river's mouth near St. Louis, the preregulation Missouri River delivered large amounts of sediment into the Mississippi River that were transported farther downstream and that eventually contributed to deltaic sedimentary processes in coastal Louisiana.
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From page 16... ...
Increasing attention to sediment management along the Missouri River and the associated conflicts, demands understanding of river hydraulics and geomorphic processes, relationships between physical responses and habitat quality, and the relationship of sediment management to water quality in a formerly sediment-rich river such as the Missouri. Presently, most direct sediment management responsibilities on the Missouri River mainstem lie with the U.S.
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From page 17... ...
Congress and congressional staff members; Missouri River basin state governments and citizens; nongovernmental organizations; Missouri River communities and citizens, commercial sectors, such as navigation and recreation; and river science and management experts from academia, the private sector, and elsewhere. Responses to the questions posed in this report's statement of task about sediment management and nutrient loadings into the river system are not based solely in science or engineering.
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From page 18... ...
It addresses questions 2 and 4 -- effects of sediment management on Gulf hypoxia, and the challenges of designing a water quality management system for a river like the Missouri mainstem. Chapter 7 is a short epilogue that presents some observations regarding science and decision making for Missouri River sediment and related resources.
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