Nonpoint Source Stream Nutrient Level Relationships

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Nonpoint Source Stream Nutrient Level Relationships

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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 1977

Nonpoint Source Stream Nutrient Level Relationships written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Eutrophication categories.

Nonpoint Source Stream Nutrient Level Relationships

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Author : James M. Omernik
language : en
Publisher:
Release Date : 1979

Nonpoint Source Stream Nutrient Level Relationships written by James M. Omernik and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Stream ecology categories.

Indexes

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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 1983

Indexes written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

Regional Ground Water Quality

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Author : William M. Alley
language : en
Publisher: John Wiley & Sons
Release Date : 1993-06-15

Regional Ground Water Quality written by William M. Alley and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-06-15 with Science categories.

Ground water serves as the main source of drinking water for 50% of the United States as a whole—and for 97% of rural populations, in particular. In addition to public concern with point sources of contamination, such as landfills and hazardous waste disposal sites, current attention has now come to focus on the overall quality of ground-water resources. Regional Ground-Water Quality offers the first detailed guidance for conducting ground-water quality investigations in a regional context. This exceptional volume combines hydrogeologic and geochemical principles, as well as statistical principles, within a unique conceptual framework that helps readers produce efficient, meaningful, and successful ground-water assessments. Regional Ground-Water Quality will be a valuable resource when first approaching a regional-scale study and when designing specific regional-scale studies. Throughout the book, topics emphasize the value of studying regional ground-water quality at multiple spatial and temporal scales. Up-to-date coverage of essential processes and methodologies includes: multi-scale design concepts for regional ground-water quality studies the fate and transport of organic and inorganic materials, including nitrates, pesticides, pathogens, acid precipitation, natural radionuclides, saltwater intrusion, and problems in karst aquifers basic concepts of organic and inorganic chemistry a review of environmental isotopes and geochemical modeling statistical concepts for ground-water quality surveys and geostatistical analysis the effects of surface-water/ground-water interactions on ground-water quality the relationship between ground-water quality and land use regional geochemistry principles Readers will be brought completely up to date with the latest research in ground-water assessments, such as novel methods for dating young ground water, including the use of CFCs, tritium/helium-3, and krypton-85. The book also examines the uses of organic compounds as time and source markers, ground-water vulnerability analyses, applications of subsurface microbiology at the regional scale, and design of well-water surveys. Invaluable case studies drawn from international projects graphically demonstrate concepts discussed in the book. These case studies describe successful regional ground-water assessment efforts conducted in various areas and include a look at the uses and limitations of existing ground-water quality data. A first-of-its-kind resource, Regional Ground-Water Quality will be essential reading for scientists and engineers in hydrology, water resources, agricultural sciences, and environmental sciences. It will also be of interest to engineers and R&D personnel in government, industry, and private consulting, as well as to professionals involved with the design and interpretation of studies.

Management Impacts On Water Quality Of Forests And Rangelands

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Author : Dan Binkley
language : en
Publisher:
Release Date : 1993

Management Impacts On Water Quality Of Forests And Rangelands written by Dan Binkley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Forest influences categories.

General Technical Report Rm

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Author :
language : en
Publisher:
Release Date : 1993

General Technical Report Rm written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Forests and forestry categories.

Haciendo Operacional A La Sostenibilidad

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Author :
language : en
Publisher:
Release Date : 1994

Haciendo Operacional A La Sostenibilidad written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Conservation of natural resources categories.

Nitrogen In The Environment Sources Problems And Management

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Author : R.F. Follett
language : en
Publisher: Gulf Professional Publishing
Release Date : 2001-12-03

Nitrogen In The Environment Sources Problems And Management written by R.F. Follett and has been published by Gulf Professional Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-12-03 with Technology & Engineering categories.

Nitrogen in the Environment: Sources, Problems, and Management is the first volume to provide a holistic perspective and comprehensive treatment of nitrogen from field, to ecosystem, to treatment of urban and rural drinking water supplies, while also including a historical overview, human health impacts and policy considerations. It provides a worldwide perspective on nitrogen and agriculture. Nitrogen is one of the most critical elements required in agricultural systems for the production of crops for feed, food and fiber. The ever-increasing world population requires increasing use of nitrogen in agriculture to supply human needs for dietary protein. Worldwide demand for nitrogen will increase as a direct response to increasing population. Strategies and perspectives are considered to improve nitrogen-use efficiency. Issues of nitrogen in crop and human nutrition, and transport and transformations along the continuum from farm field to ground water, watersheds, streams, rivers, and coastal marine environments are discussed. Described are aerial transport of nitrogen from livestock and agricultural systems and the potential for deposition and impacts. The current status of nitrogen in the environment in selected terrestrial and coastal environments and crop and forest ecosystems and development of emerging technologies to minimize nitrogen impacts on the environment are addressed. The nitrogen cycle provides a framework for assessing broad scale or even global strategies to improve nitrogen use efficiency. Growing human populations are the driving force that requires increased nitrogen inputs. These increasing inputs into the food-production system directly result in increased livestock and human-excretory nitrogen contribution into the environment. The scope of this book is diverse, covering a range of topics and issues from furthering our understanding of nitrogen in the environment to policy considerations at both farm and national scales.

Environmental Quality

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Author :
language : en
Publisher:
Release Date : 1978

Environmental Quality written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Environmental protection categories.

Monthly Catalog Of United States Government Publications

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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1978

Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Government publications categories.

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index