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The Influence Of Algal Growth And Related Ecological Factors In Reservoirs On The Production And Control Of Trihalomethane Precursors
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Book Synopsis The Influence of Algal Growth and Related Ecological Factors in Reservoirs on the Production and Control of Trihalomethane Precursors by : Kevin L. Dixon
Download or read book The Influence of Algal Growth and Related Ecological Factors in Reservoirs on the Production and Control of Trihalomethane Precursors written by Kevin L. Dixon and published by . This book was released on 1982 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Algal Growth and Other Ecological Factors in Reservoirs on the Production and Control of Trihalomethane Precursors by : Robert C. Hoehn
Download or read book The Influence of Algal Growth and Other Ecological Factors in Reservoirs on the Production and Control of Trihalomethane Precursors written by Robert C. Hoehn and published by . This book was released on 1982 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1983 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Algal Growth Aqueous Factors Other Than Nitrogen and Phosphorus by : United States. Federal Water Pollution Control Administration
Download or read book Algal Growth Aqueous Factors Other Than Nitrogen and Phosphorus written by United States. Federal Water Pollution Control Administration and published by . This book was released on 1966 with total page 52 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 1983-03 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Trihalomethane Precursors in Deer Creek Reservoir by : Megan J. White
Download or read book A Study of Trihalomethane Precursors in Deer Creek Reservoir written by Megan J. White and published by . This book was released on 1985 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic Nutrient Factors Effecting Algal Growths by : Nicholas L. Clesceri
Download or read book Organic Nutrient Factors Effecting Algal Growths written by Nicholas L. Clesceri and published by . This book was released on 1973 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1982 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interim Treatment Guide for the Control of Chloroform and Other Trihalomethanes by : James M. Symons
Download or read book Interim Treatment Guide for the Control of Chloroform and Other Trihalomethanes written by James M. Symons and published by . This book was released on 1976 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessing Trichloromethane Formation and Control in Algal-stimulated Waters Amended with Nitrogen and Phosphorus by : Clinton Allen Mash
Download or read book Assessing Trichloromethane Formation and Control in Algal-stimulated Waters Amended with Nitrogen and Phosphorus written by Clinton Allen Mash and published by . This book was released on 2013 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen (N) and phosphorus (P) enrichments can stimulate algal growth in drinking water sources, which can cause increased production of disinfection byproduct (DBP) precursors. However, the effect of systematic N and P enrichments on DBP formation and control has not been adequately studied. In this work, we enriched samples from a drinking water source---sampled on April 5, May 30, and August 19, 2013---with N and P to stimulate algal growth at N:P ratios covering almost five orders of magnitude (0.2-4,429). To simulate DBP-precursor removal processes at drinking water treatment plants (DWTPs), the samples were treated with ClO2 followed by alum coagulation prior to free chlorine addition to assess the DBP formation potential (FP). Trichloromethane (TCM) was the predominant DBP formed and the TCMFP was the highest at intermediate N:P ratios (̃10-50), which corresponded with the peak in algal biomass, as measured by chlorophyll-alpha (Chl-alpha). Algal biomass was P-limited throughout the study period, and co-limited by N for the August 19 sampling set. The differences in TCMFP between the raw and treated waters decreased with increasing P amendment, indicating that ClO 2 and alum coagulation became less effective for TCM precursor removal as algal biomass increased. This study highlights the impact of nutrient enrichments on TCM formation and control and has implications for nutrient management strategies related to source water protection and for DWTPs that use source waters increasingly enriched with N and P.
Book Synopsis The Ecology of Phytoplankton by : C. S. Reynolds
Download or read book The Ecology of Phytoplankton written by C. S. Reynolds and published by Cambridge University Press. This book was released on 2006-05-04 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important new book by Colin Reynolds covers the adaptations, physiology and population dynamics of phytoplankton communities. It provides basic information on composition, morphology and physiology of the main phyletic groups represented in marine and freshwater systems and in addition reviews recent advances in community ecology.
Book Synopsis Microbial Processes in Reservoirs by : D. Gunnison
Download or read book Microbial Processes in Reservoirs written by D. Gunnison and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of producing a book on the activities of sence of bottom versus surface withdrawal all have microorganisms in reservoirs had its origins in an a bearing on microbial processes. In addition, res article published by the editor in ASM News (De ervoirs are often constructed in areas where there cember 1981, 47:527-531). Many individuals ex are few, if any, natural lakes . In this regard, reser pressed an interest in having the article expanded voirs are also often distinct from natural lakes, and into a book on this subject. Several people were that meteorologic, hydrologic, geo to the extent contacted and asked if they would be willing to logic, and edaphic factors make a difference, reser contribute chapters to the book. The interest dis voir microbiology will also be different. Finally, the played by many persons outside the area of reser creation of a new reservoir offers the sediment voir microbiology was encouraging, as was the in microbiologist a unique opportunity to view the spiration of the contributors themselves. We were transformation of terrestrial environments into subsequently approached by Dr. L. Harold Steven aquatic ecosystems.
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 Watershed Management for Potable Water Supply by : National Research Council
Download or read book Watershed Management for Potable Water Supply written by National Research Council and published by National Academies Press. This book was released on 2000-02-17 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Book Synopsis Algal Growth Aqueous Factors Other Than Nitrogen and Phosphorus by : United States. Federal Water Pollution Control Administration
Download or read book Algal Growth Aqueous Factors Other Than Nitrogen and Phosphorus written by United States. Federal Water Pollution Control Administration and published by . This book was released on 1966 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lake and Reservoir Restoration by : G. Dennis Cooke
Download or read book Lake and Reservoir Restoration written by G. Dennis Cooke and published by Elsevier. This book was released on 2013-10-22 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake and Reservoir Restoration deals with the eutrophication process and the methods to protect, restore, and manage lakes and reservoirs. The most common in-lake techniques or procedures, plus nutrient diversion, are reviewed with regard to their scientific basis, methods of application, known effectiveness, feasibility, drawbacks, and costs. Areas for further research and development are also highlighted. This book is comprised of 16 chapters organized into four sections. After an introduction to the theory of the problem and the restoration technique, the discussion turns to the various restoration methods such as those used for physical and chemical control of nutrients. Diversion and advanced waste treatment, hypolimnetic withdrawal, and dilution and flushing are considered along with phosphorus precipitation and inactivation, sediment oxidation, sediment removal, and hypolimnetic aeration. Case studies and success stories are presented and the costs and potential negative impacts of the methods are examined. The following chapters focus on methods to control plant biomass, including artificial circulation, water-level drawdown, harvesting, biological control, and surface and sediment covers. A chapter on liming acidified lakes concludes this text. This monograph will be useful to professional limnologists and engineers, on-site lake or reservoir managers, and those who are interested in learning about the problems and management of lakes and reservoirs.
Book Synopsis Impact of Algal Blooms and Reservoirs on Nutrients and Dissolved Organic Matter Dynamics in the Hypereutrophic Klamath River, USA by : Allison Anne Oliver
Download or read book Impact of Algal Blooms and Reservoirs on Nutrients and Dissolved Organic Matter Dynamics in the Hypereutrophic Klamath River, USA written by Allison Anne Oliver and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of our global freshwater resources are currently impaired or threatened by impoundments, eutrophication, and harmful algal blooms as a result of increasing population, resource use, and climate change. To better protect, manage, and restore our freshwaters, it is essential to study the ecological effects of impoundments and impairments (e.g. nutrient enrichment, algal blooms, etc.). The Klamath River, located in Oregon/California of the Pacific Northwestern U.S.A., is highly impounded (six reservoirs), hypereutrophic, and experiences large seasonal algal blooms. Dam removal is currently being considered on the Klamath River, and therefore an understanding of current conditions is critical to making predictions under alternative management scenarios. The objective of this work was to examine how reservoirs, river reaches, and algal blooms in the Klamath River affect spatiotemporal patterns in water quality, biogeochemical processing, and the fate and transport of nutrients and organic matter. These objectives were addressed by studies conducted for two years along 184 km of the Klamath River. The summer algal bloom had major effects on water quality conditions and available nutrients (e.g. low dissolved oxygen, high pH, nutrient addition via N-fixation, labile organic matter), and was the major driver of biogeochemical processes within the upper portion of the river that is highly impacted by five reservoirs. The role of reservoirs in propagating effects of the algal bloom to downstream reaches shifted depending on the reservoir location and time of year. Reservoirs served as sources or sinks of materials during different times of the year. The uppermost reservoirs were more strongly influenced by algal blooms and tended to export higher nutrients and algal-derived organic matter during and following the bloom, whereas downstream reservoirs tended to trap and process these materials, resulting in export of lower nutrient water comprised of more highly degraded, recalcitrant organic matter. Spatial differences in water quality, nutrients, and organic matter along the longitudinal gradient of the river were greater during and following the algal bloom, and reduced during months of higher flow and reduced biological activity. Linked reservoirs and river reaches were important in the cycling and export of nutrients, particularly nitrogen. Nitrogen cycling in the upper Klamath River was rapid; high amounts of algal nitrogen-fixation, followed by mineralization and export of algal-based nitrogen to downstream river reaches produced some of the most rapid nitrification rates observed in large river systems. These processes appear to be highly active and dynamic over a variety of temporal scales, and likely have strong implications for the structure and function of local and downstream aquatic communities. This study illuminates the importance of algal blooms and the role of impoundments in driving water quality, nutrient, and organic matter dynamics and emphasizes the importance in understanding how these effects evolve over space and time, especially in the context of predicting alternative management and restoration scenarios (i.e. dam removal).
