Author: Publisher:
ISBN:
Category : Water
Languages : en
Pages : 6
Book Description
Nitrogen in the Mississippi Basin
Author: Flux and Sources of Nutrients in the Mississippi-Atchafalaya River Basin
Author: Publisher:
ISBN:
Category : Marine eutrophication
Languages : en
Pages : 152
Book Description
Variability of Nutrients in Streams in Part of the Upper Mississippi River Basin, Minnesota and Wisconsin
Author: Sharon E. KroeningPublisher:
ISBN:
Category : Nitrates
Languages : en
Pages : 4
Book Description
Water-quality Assessment of Part of the Upper Mississippi River Basin, Minnesota and Wisconsin
Author: Sharon E. KroeningPublisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 76
Book Description
Concentrations and Loads of Nitrogen and Phosphorus in the Yazoo River, Northwestern Mississippi, 1996-97
Author: Richard Henry CoupePublisher:
ISBN:
Category : Nutrient pollution of water
Languages : en
Pages : 32
Book Description
Mississippi River Water Quality and the Clean Water Act
Author: National Research CouncilPublisher: National Academies Press
ISBN: 0309177812
Category : Nature
Languages : en
Pages : 252
Book Description
The Mississippi River is, in many ways, the nation's best known and most important river system. Mississippi River water quality is of paramount importance for sustaining the many uses of the river including drinking water, recreational and commercial activities, and support for the river's ecosystems and the environmental goods and services they provide. The Clean Water Act, passed by Congress in 1972, is the cornerstone of surface water quality protection in the United States, employing regulatory and nonregulatory measures designed to reduce direct pollutant discharges into waterways. The Clean Water Act has reduced much pollution in the Mississippi River from "point sources" such as industries and water treatment plants, but problems stemming from urban runoff, agriculture, and other "non-point sources" have proven more difficult to address. This book concludes that too little coordination among the 10 states along the river has left the Mississippi River an "orphan" from a water quality monitoring and assessment perspective. Stronger leadership from the U.S. Environmental Protection Agency (EPA) is needed to address these problems. Specifically, the EPA should establish a water quality data-sharing system for the length of the river, and work with the states to establish and achieve water quality standards. The Mississippi River corridor states also should be more proactive and cooperative in their water quality programs. For this effort, the EPA and the Mississippi River states should draw upon the lengthy experience of federal-interstate cooperation in managing water quality in the Chesapeake Bay.
Report for the Integrated Assessment on Hypoxia in the Gulf of Mexico
Author: Publisher:
ISBN:
Category : Coastal ecology
Languages : en
Pages : 136
Book Description
Nutrient Control Actions for Improving Water Quality in the Mississippi River Basin and Northern Gulf of Mexico
Author: National Research CouncilPublisher: National Academies Press
ISBN: 0309141788
Category : Nature
Languages : en
Pages : 91
Book Description
A large area of coastal waters in the northern Gulf of Mexico experiences seasonal conditions of low levels of dissolved oxygen, a condition known as hypoxia. Excess discharge of nutrients into the Gulf of Mexico from the Mississippi and Atchafalaya rivers causes nutrient overenrichment in the gulf's coastal waters and stimulates the growth of large algae blooms. When these algae die, the process of decomposition depletes dissolved oxygen from the water column and creates hypoxic conditions. In considering how to implement provisions of the Clean Water Act to strengthen nutrient reduction objectives across the Mississippi River basin, the U.S. Environmental Protection Agency (EPA) requested advice from the National Research Council. This book represents the results of the committee's investigations and deliberations, and recommends that the EPA and U.S. Department of Agriculture should jointly establish a Nutrient Control Implementation Initiative to learn more about the effectiveness of actions meant to improve water quality throughout the Mississippi River basin and into the northern Gulf of Mexico. Other recommendations include how to move forward on the larger process of allocating nutrient loading caps-which entails delegating responsibilities for reducing nutrient pollutants such as nitrogen and phosphorus-across the basin.
Nutrient Sources Within the Upper Mississippi River Basin, Minnesota and Wisconsin, 1991-93
Author: Sharon E. KroeningPublisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 4
Book Description
Clean Coastal Waters
Author: National Research CouncilPublisher: National Academies Press
ISBN: 0309069483
Category : Science
Languages : en
Pages : 422
Book Description
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
