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Author: North American Lake Management Society
Publisher: University of Wisconsin Press
ISBN:
Category : Business & Economics
Languages : en
Pages : 400
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Book Description
Written for the lake user, this third edition testifies to the success and the leadership of EPA's Clean Lakes Program.
Author: North American Lake Management Society
Publisher: University of Wisconsin Press
ISBN:
Category : Business & Economics
Languages : en
Pages : 400
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Book Description
Written for the lake user, this third edition testifies to the success and the leadership of EPA's Clean Lakes Program.
Author: G. Dennis Cooke
Publisher: Elsevier
ISBN: 1483163253
Category : Technology & Engineering
Languages : en
Pages : 401
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 342
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Book Description
Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author:
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 378
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Book Description
"This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.
Author:
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 946
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Book Description
Author:
Publisher:
ISBN:
Category : Eutrophication
Languages : en
Pages : 258
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309125391
Category : Nature
Languages : en
Pages : 611
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Book Description
The rapid conversion of land to urban and suburban areas has profoundly altered how water flows during and following storm events, putting higher volumes of water and more pollutants into the nation's rivers, lakes, and estuaries. These changes have degraded water quality and habitat in virtually every urban stream system. The Clean Water Act regulatory framework for addressing sewage and industrial wastes is not well suited to the more difficult problem of stormwater discharges. This book calls for an entirely new permitting structure that would put authority and accountability for stormwater discharges at the municipal level. A number of additional actions, such as conserving natural areas, reducing hard surface cover (e.g., roads and parking lots), and retrofitting urban areas with features that hold and treat stormwater, are recommended.
Author: Susan Borman
Publisher:
ISBN: 9780972366519
Category : Aquatic plants
Languages : en
Pages : 256
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Book Description
Author: International Labour Office
Publisher: International Labour Organization
ISBN: 9789221092032
Category : Industrial hygiene
Languages : en
Pages : 896
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Book Description
Intended as a resource for those who have responsibilities to safeguard workers' health and safety, especially in developing countries. Covers the fields of toxicology, occupational hygiene, occupational cancer, occupational diseases of agricultural workers, occupational safety, psycho- social problems and institutions and organizations active in the field of occupational health and safety.
