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An Assessment Of Water Quality Impacts Of Maintenance Dredging On The Upper Mississippi River In 1979
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Book Synopsis An Assessment of Water Quality Impacts of Maintenance Dredging on the Upper Mississippi River in 1979 by : Dennis D. Anderson
Download or read book An Assessment of Water Quality Impacts of Maintenance Dredging on the Upper Mississippi River in 1979 written by Dennis D. Anderson and published by . This book was released on 1981 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: In connection with the 1979 maintenance dredging season, the Corps of Engineers, St. Paul District, investigated the water quality impacts of hydraulic and clamshell dredging operations at five selected sites on the Upper Mississippi River. Turbidity values and suspended solids were monitored at all sites, and selected chemical parameters were monitored at two hydraulic dredging sites. At most sites, dredging and disposal operations produced minor and localized changes in water quality. No statistically significant increases in chemical parameters were noted due to hydraulic dredging operations. However, effluents from the disposal area did cause some elevations of heavy metals (cadmium, lead, nickel, zinc, copper, chromium) and total ammonia. None of the chemical parameters tested exceeded their maximum permissible level proposed by Federal Water Quality Criteria. The five monitoring studies generally indicated that rapid settling and dilution occurred near and downstream of dredging and disposal operations.
Book Synopsis An Assessment of Water Quality Impacts of Maintenance Dredging on the Upper Mississippi River in 1978 by : Dennis D. Anderson
Download or read book An Assessment of Water Quality Impacts of Maintenance Dredging on the Upper Mississippi River in 1978 written by Dennis D. Anderson and published by . This book was released on 1981 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1978, the St. Paul District, Corps of Engineers, monitored five dredging operations at various locations on the Upper Mississippi River, including three hydraulic dredging operations and two mechanical (clamshell) dredging operations. All five studies were conducted in areas with relatively coarse sediments. Overall, with the methods used for disposal of the dredged material at the five sites studied, no major degradation of water quality was evidenced for either the mechanical (clamshell) or hydraulic dredging and disposal operations. Bottom sediment samples from many historical dredging sites were analyzed for bulk chemistry, particle size distribution, and settleability. Frequency of dredging at a site did not appear to be a major factor in determining the degree of contamination. High levels of contaminants were closely associated with the finer sediments. Sites in and immediately downstream of the Twin Cities metropolitan area contained the most contaminated sediments.
Book Synopsis Comprehensive Master Plan for the Management of the Upper Mississippi River Basin by :
Download or read book Comprehensive Master Plan for the Management of the Upper Mississippi River Basin written by and published by . This book was released on 1982 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 9-foot Navigation Channel Project, Channel Maintenance Management Plan, Upper Mississippi River, Head of Navigation to Guttenburg by :
Download or read book 9-foot Navigation Channel Project, Channel Maintenance Management Plan, Upper Mississippi River, Head of Navigation to Guttenburg written by and published by . This book was released on 1997 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Literature Review and Technical Evaluation of Sediment Resuspension During Dredging by : John B. Herbich
Download or read book Literature Review and Technical Evaluation of Sediment Resuspension During Dredging written by John B. Herbich and published by . This book was released on 1991 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Indiana Harbor Confined Disposal Facility and Maintenance Dredging, Lake County by :
Download or read book Indiana Harbor Confined Disposal Facility and Maintenance Dredging, Lake County written by and published by . This book was released on 1986 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Impact of Dredged Material Disposal on the Upper Mississippi River at Crosby Slough by :
Download or read book Environmental Impact of Dredged Material Disposal on the Upper Mississippi River at Crosby Slough written by and published by . This book was released on 1978 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was designed to investigate the environmental effects of disposal of material from maintenance dredging on the aquatic habitat around Island 117, Pool 8, Upper Mississippi River. Dredging impacts of disposal of dredged material in the past have included the conversion of productive aquatic and semiaquatic habitat to sandy shoals and islands, as well as the impairment of backwater circulation. Disposal activity at Island 117 during 1974 produced no measurable effect on those variables considered. The reasons for the negligible impact may have been as follows: (1) a relatively small amount of material was deposited at the site in 1974 (11,144 cu yds compared to a 19-year average job size of 65,500 cu yds); (2) dredged material was not allowed to pass over the crest of Island 117 into backwater areas as it had in past years because of court-ordered dredged material placement limitations imposed by the State of Wisconsin; and (3) the variance of the baseline data, caused by annual, seasonal, and diel fluctuations, was significant for most variables. If 1974 disposal activities affected water quality in the study area, these effects were masked by the natural background variation in the variables considered. Turbidity and nitrite-nitrogen, which were increased by disposal of dredged material in 1973, were not significantly altered during 1974.
Book Synopsis Environmental Impacts of Dredged Material Disposal by : Mary Ellen Harris
Download or read book Environmental Impacts of Dredged Material Disposal written by Mary Ellen Harris and published by . This book was released on 1981 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Municipal Wastewater Treatment by : Andrew Stoddard
Download or read book Municipal Wastewater Treatment written by Andrew Stoddard and published by John Wiley & Sons. This book was released on 2003-03-20 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thorough analysis of public policy and the Clean Water Act'seffect on water quality in the U.S. Using water quality data and historical records from the past 60years, this book presents the measured impact of the 1972 CleanWater Act on domestic waterways-ecologically, politically, andeconomically. Municipal Wastewater Treatment supports thehypothesis that the Act's regulation of wastewater treatmentprocesses at publicly owned treatment works (POTW) and industrialfacilities has achieved significant success. The authors' case ispresented in: * Background information on the history of water pollution controland water quality management * Chapters addressing long-term trends in biochemical oxygen demandloadings from municipal wastewater plants and the "worst-case"dissolved oxygen levels in waterways downstream of point sourcesbefore and after the Clean Water Act * Nine case study assessments of long-term trends of pollutantloading water quality and environmental resources associated withPOTW discharges Using long-term trends in dissolved oxygen as the key indicator ofwater quality improvements, this book provides a detailedretrospective analysis of the effectiveness of the water pollutioncontrol policies and regulations of the 1972 Clean Water Act. Thesuccesses of the Act that have been achieved over the past 30 yearsare placed in the historical context of the "Great SanitaryAwakening" of the 19th century and changes in public policies forwater supply and water pollution control that have evolved duringthe 20th century to protect public health and the intrinsic valueof aquatic resources. Case study sites include the ConnecticutRiver, Hudson-Raritan Estuary, Delaware Estuary, Potomac Estuary,Upper Chattahoochee River, Ohio River, Upper Mississippi River, andWillamette River. Complete with end-of-chapter summaries and conclusions, MunicipalWastewater Treatment: Evaluating Improvements in National WaterQuality is an essential book for engineers, scientists, regulators,and consultants involved in water quality management and wastewatertreatment, as well as students of environmental engineering,environmental science, and public policy.
Book Synopsis Comprehensive Master Plan for the Management of the Upper Mississippi River Basin by :
Download or read book Comprehensive Master Plan for the Management of the Upper Mississippi River Basin written by and published by . This book was released on 1982 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impacts of Navigational Dredging on Fish and Wildlife by : Kenneth O. Allen
Download or read book Impacts of Navigational Dredging on Fish and Wildlife written by Kenneth O. Allen and published by . This book was released on 1980 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis East Channel of Upper Mississippi River Long-term Maintenance Plan for Federal Harbor and Permit Application to Construct and Expand Barge Terminal Facilities, Prairie Du Chien by :
Download or read book East Channel of Upper Mississippi River Long-term Maintenance Plan for Federal Harbor and Permit Application to Construct and Expand Barge Terminal Facilities, Prairie Du Chien written by and published by . This book was released on 1993 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Impact of Dredged Material Disposal on the Upper Mississippi River at Crosby Slough by : John W. Held
Download or read book Environmental Impact of Dredged Material Disposal on the Upper Mississippi River at Crosby Slough written by John W. Held and published by . This book was released on 1978 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was designed to investigate the environmental effects of disposal of material from maintenance dredging on the aquatic habitat around Island 117, Pool 8, Upper Mississippi River. Dredging impacts of disposal of dredged material in the past have included the conversion of productive aquatic and semiaquatic habitat to sandy shoals and islands, as well as the impairment of backwater circulation. Disposal activity at Island 117 during 1974 produced no measurable effect on those variables considered. The reasons for the negligible impact may have been as follows: (1) a relatively small amount of material was deposited at the site in 1974 (11,144 cu yds compared to a 19-year average job size of 65,500 cu yds); (2) dredged material was not allowed to pass over the crest of Island 117 into backwater areas as it had in past years because of court-ordered dredged material placement limitations imposed by the State of Wisconsin; and (3) the variance of the baseline data, caused by annual, seasonal, and diel fluctuations, was significant for most variables. If 1974 disposal activities affected water quality in the study area, these effects were masked by the natural background variation in the variables considered. Turbidity and nitrite-nitrogen, which were increased by disposal of dredged material in 1973, were not significantly altered during 1974.
Download or read book GREAT II written by and published by . This book was released on 1980 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works Publisher : ISBN 13 : Total Pages :1550 pages Book Rating :4.0/5 (18 download)
Book Synopsis Public Works for Water and Power Development and Energy Research Appropriation Bill, 1979 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works
Download or read book Public Works for Water and Power Development and Energy Research Appropriation Bill, 1979 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works and published by . This book was released on 1978 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1982 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
