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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (319 download)
Download or read book Nutrients in the Upper Mississippi River written by and published by . This book was released on 2003 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sharon E. Kroening
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)
Download or read book Variability of Nutrients in Streams in Part of the Upper Mississippi River Basin, Minnesota and Wisconsin written by Sharon E. Kroening and published by . This book was released on 1997 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nutrients in the Upper Mississippi River: Etc., U.S. Geological Survey, Fact Sheet 105-03, July 2003 written by and published by . This book was released on 2004 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (946 download)
Download or read book Nutrients in the Upper Mississippi River: Scientific Information to Support Management Decisions. The Upper Mississippi River - Values and Vulnerability written by and published by . This book was released on 2003 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Upper Mississippi River (UMR) flows south about 1,300 miles from its headwaters in Minnesota to its confluence with the Ohio River at Cairo, Illinois. The river gains volume along its path as it drains nearly 190,000 square miles (490,000 km2) of land, extending over parts of South Dakota, Minnesota, Wisconsin, Iowa, Illinois, and Missouri (fig. 1). The UMR is valued as a multiple-use resource where commercial navigation, water supply, and recreational demands coexist with valued natural resources. Some 7%80 million tons of commodities are transported on the river annually. More than 30 million residents rely on river water for uses such as public and industrial supplies and power plant cooling. The river hosts about 12 million recreational visitors annually. When the public has been asked to identify priorities for the river, however, environmental uses were considered more important (Carlson, 1999). The river is home to a wide variety of wildlife, fish, and aquatic invertebrates. Added to these year- round residents are the many bird species that migrate through the corridor or stop seasonally to breed or overwinter (fig. 2). The fact that three major National Wildlife Refuge complexes and several National Park units have been established along the corridor of the UMR reflects the river's importance to the natural resources of the Nation.
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Nutrients in the Upper Mississippi River: Etc., U.S. Geological Survey, Fact Sheet 105-03, July 2003 written by and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sharon E. Kroening
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (318 download)
Download or read book Nutrient Sources Within the Upper Mississippi River Basin, Minnesota and Wisconsin, 1991-93 written by Sharon E. Kroening and published by . This book was released on 1998 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309141788
Total Pages : 91 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nutrient Control Actions for Improving Water Quality in the Mississippi River Basin and Northern Gulf of Mexico written by National Research Council and published by National Academies Press. This book was released on 2009-07-13 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Upper Mississippi River Basin Association
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (758 download)
Download or read book Upper Mississippi River Nutrient Monitoring, Occurrence and Local Impacts written by Upper Mississippi River Basin Association and published by . This book was released on 2011 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phosphorus and nitrogen, collectively referred to as nutrients, have been an increasingly important water quality issue in the Upper Mississippi River (UMR) Basin. While nutrients are necessary for aquatic life, at concentrations significantly above natural background they can pose a threat to the use of waterbodies by humans and aquatic life..." p. vi.
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ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (319 download)
Download or read book Flux and Sources of Nutrients in the Mississippi-Atchafalaya River Basin written by and published by . This book was released on 1999 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)
Download or read book Major Ions Nutrients and Trace Elements in the Mississippi River Near Thebes, Illinois written by and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spatial Distribution of Nutrients in the Mississippi River System (1991-1992) written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Concentrations of dissolved nutrients (nitrate, nitrite, ammonium and orthophosphate) were measured on surface-water grab samples collected at ten mile intervals along the entire length of the navigable portion of the Mississippi River during three cruises in June?July 1991, September?October 1991 and March? April 1992. Samples were also collected at the mouths of some of the major tributaries and, at selected points, three-sample cross sections were collected across the river to measure cross-channel variability. Simultaneously with collecting each sample, the discharge of the Mississippi River was estimated, permitting the calculation of the nutrient load in the Mississippi River at each sample point. The large number of samples collected (between 179 and 207 per cruise) give a picture of the instantaneous longitudinal variation of nutrients in the Mississippi River during three different seasons. Both nitrate and orthophosphate loads appear to increase or remain constant downriver for each cruise, indicating that mechanisms for the removal of these compounds are not as rapid as their introduction into the river. In addition, below the confluence of most of the major tributaries, the loads show a?step? increase caused by the nitrate and orthophosphate contributions from the tributaries. From this data, one can identify the possible sources of nitrate and orthophosphate arriving at the Gulf of Mexico from the Mississippi River. During each of the three cruises (at three different seasons), the majority of the nitrate and ortho-phosphate appears to have originated from the Upper Mississippi River Basin, above the con-fluence of the Missouri River. Ammonium and nitrite loads appear to originate as point-sources, but disappear within approximately one hundred miles of their introduction, probably as a result of conversion to nitrate and/or nitrogen gas. Any nitrite or ammonium from the Mississippi River deposited into the Gulf of Mexico therefore probably originated within one hundred miles of the Gulf.
Author : Sharon E. Kroening
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Water-quality Assessment of Part of the Upper Mississippi River Basin Study Unit, Minnesota and Wisconsin written by Sharon E. Kroening and published by . This book was released on 2003 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dee L. Lurry
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (121 download)
Download or read book Trends in Nutrient Concentration and Load for Streams in the Mississippi River Basin, 1974-94 written by Dee L. Lurry and published by . This book was released on 1997 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Department of the Interior
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (842 download)
Download or read book Major Ions, Nutrients, and Trace Elements in the Mississippi River Near Thebes, Illinois, July Through September 1993 written by U.S. Department of the Interior and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (94 download)
Download or read book Major Ions, Nutrients, and Trace Elements in the Mississippi River Near Thebes, Illinois, July Through September 1993 written by and published by . This book was released on 1994 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309114098
Total Pages : 252 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mississippi River Water Quality and the Clean Water Act written by National Research Council and published by National Academies Press. This book was released on 2008-03-08 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (126 download)
Download or read book Major Ions, Nutrients, and Trace Elements in the Mississippi River Near Thebes, Illinois, July Through September 1993 written by and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
