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Use Of Stable Nitrogen Isotopes To Trace Anthropogenic Fertilizers Through The Unsaturated Zone At A Salt Marsh Agricultural Field
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Book Synopsis Use of Stable Nitrogen Isotopes to Trace Anthropogenic Fertilizers Through the Unsaturated Zone at a Salt Marsh Agricultural Field by : Benjamin Dwight McConnell
Download or read book Use of Stable Nitrogen Isotopes to Trace Anthropogenic Fertilizers Through the Unsaturated Zone at a Salt Marsh Agricultural Field written by Benjamin Dwight McConnell and published by . This book was released on 1995 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Stable Isotopes of Carbon, Nitrogen, and Sulfur to Identify Sources of Nitrogen in Surface Waters in the Lower Susquehanna River Basin, Pennsylvania by : Charles A. Cravotta
Download or read book Use of Stable Isotopes of Carbon, Nitrogen, and Sulfur to Identify Sources of Nitrogen in Surface Waters in the Lower Susquehanna River Basin, Pennsylvania written by Charles A. Cravotta and published by . This book was released on 2002 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Stable Isotopes of Nitrogen and Oxygen as Environmental Indicators of Nitrogen Deposition in the Sonoran Desert by : Michael D. Bell
Download or read book Using Stable Isotopes of Nitrogen and Oxygen as Environmental Indicators of Nitrogen Deposition in the Sonoran Desert written by Michael D. Bell and published by . This book was released on 2012 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1983 with total page 2330 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 1989 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Natural Abundance Stable Nitrogen Isotope Ratio Measurements to Investigate Mechanisms of Nitrogen Loss in the Hidden Valley Wildlife Area Ponds, Riverside, CA by : Marlene Ann Braun
Download or read book Use of Natural Abundance Stable Nitrogen Isotope Ratio Measurements to Investigate Mechanisms of Nitrogen Loss in the Hidden Valley Wildlife Area Ponds, Riverside, CA written by Marlene Ann Braun and published by . This book was released on 1991 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessing the Use of Stable Isotopes to Monitor Anthropogenic Nitrogen Inputs to Estuarine Systems by : Rebecca O. Bannon
Download or read book Assessing the Use of Stable Isotopes to Monitor Anthropogenic Nitrogen Inputs to Estuarine Systems written by Rebecca O. Bannon and published by . This book was released on 2006 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of Nitrogen Stable Isotopes to Identify Sources of Nutrient Pollution by : Elizabeth A. Redon
Download or read book Application of Nitrogen Stable Isotopes to Identify Sources of Nutrient Pollution written by Elizabeth A. Redon and published by . This book was released on 2001 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nutrient pollution may perhaps be one of the oldest water quality problems and has recently been considered as one of the greatest threats to estuarine and coastal waters. Excessive nutrient loads have had a vast array of impacts on estuarine and coastal ecosystems globally. Direct negative effects include: shading out of benthic plant communities, hypoxia and anoxia due to increased biological oxygen demand, compositional change in plant and fauna! community structure and increased occurrences of harmful algal blooms. This has lead to decreased biodiversity, habitat, fisheries, tourism and aesthetics. So far environmental managers have had to rely on a posteriori assessments of the status of nutrient pollution, using indicators such as taxonomic shifts and changes in biological abundance, which have already occurred. By the time nutrient pollution is detected, restoration of habitats is costly and sometimes no longer an option. Therefore, there is a need for management tools to assess sources of nutrient loads before damage to estuarine and coastal ecosystems progresses beyond recovery. Early work using stable isotopes of dissolved inorganic nitrogen in groundwater samples demonstrated the potential for using stable isotopes to identify anthropogenic sources of nitrogen. These studies revealed that nitrogen sources such as fertilizers, soil organic nitrogen and wastewater nitrogen have isotopically distinct signatures that could be used to assess anthropogenic nitrogen contributions. Therefore, application of nitrogen stable isotope methods could potentially provide information on the anthropogenic nitrogen sources stimulating nutrient pollution in estuarine and coastal waters. However, when I assessed this approach for application, two sources of errors became apparent. First, laboratory isolation of dissolved inorganic nitrate from seawater delivered results depleted in 15N relative to the standard used to assess the method. Second, isotopic fractionation associated with nitrogen cycle processes complicates usage of an isotopic mass balance to solve for the nitrogen source and its fractional contribution based on isotopic data alone. As a result, isotopic analysis alone of dissolved inorganic nitrogen to determine anthropogenic sources of nutrient loads to estuarine and coastal waters is not a practical approach to obtain management information concerning nutrient pollution.
Book Synopsis Experimental and Regional Studies of Sources of Nitrogen Using Models and Stable Isotopes in Salt Marshes by : Erin Lovejoy Kinney
Download or read book Experimental and Regional Studies of Sources of Nitrogen Using Models and Stable Isotopes in Salt Marshes written by Erin Lovejoy Kinney and published by . This book was released on 2010 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identifying Sources of Subsurface Nitrate Pollution with Stable Nitrogen Isotopes by : Timothy J. Wolterink
Download or read book Identifying Sources of Subsurface Nitrate Pollution with Stable Nitrogen Isotopes written by Timothy J. Wolterink and published by . This book was released on 1979 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Use of Isotopes in Soil Research by : Glenn Ray Noggle
Download or read book The Use of Isotopes in Soil Research written by Glenn Ray Noggle and published by . This book was released on 1950 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monitored Natural Attenuation of Inorganic Contaminants in Ground Water by :
Download or read book Monitored Natural Attenuation of Inorganic Contaminants in Ground Water written by and published by . This book was released on 2007 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: V.3 ... consists of individual chapters that describe 1) the conceptual background for radionuclides, including tritium, radon, strontium, technetium, uranium, iodine, radium, thorium, cesium, plutonium-americium and 2) data requirements to be met during site characterization.
Book Synopsis Stable Isotope Techniques in the Study of Biological Processes and Functioning of Ecosystems by : M.J. Unkovich
Download or read book Stable Isotope Techniques in the Study of Biological Processes and Functioning of Ecosystems written by M.J. Unkovich and published by Springer Science & Business Media. This book was released on 2001-07-31 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has a very strong practical orientation, telling readers what methodologies are available using stable isotopes, how studies should be designed and executed to maximise effectiveness and incisiveness in terms of data obtained and outcomes in terms of understanding events and processes in plant and ecosystem functioning. The readership is very much aimed toward postgraduates with good knowledge of general biological principles and underlying chemical and physical processes. Pre-existing knowledge of or experience in application and assay of stable isotopes is not required. The stable isotope research field is one of the most rapidly growing areas of ecophysiology and techniques using stable isotopes comprise an ever increasing component of research programs of university postgraduates and a wide range of agencies conducting environmental monitoring and rehabilitation programs. The book is tailor-made for such an audience.
Book Synopsis Stable nitrogen isotopes as indicators of anthropogenic activities in small freshwater systems by : J.L. LAKE
Download or read book Stable nitrogen isotopes as indicators of anthropogenic activities in small freshwater systems written by J.L. LAKE and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Carbon Isotopic Tracers in Investigating Soil Carbon Sequestration and Stabilization in Agroecosystems by : International Atomic Energy Agency
Download or read book Use of Carbon Isotopic Tracers in Investigating Soil Carbon Sequestration and Stabilization in Agroecosystems written by International Atomic Energy Agency and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This publication provides an overview of conventional and isotopic methods available for measuring and modelling soil carbon dynamics. It includes information on the use of carbon isotopes in soil and plant research, including both theoretical and practical aspects of nuclear and radioisotope tracer techniques for in situ glasshouse and field labelling techniques to assess soil organic carbon turnover and sequestration, and provides up-to-date information on topics related to soil carbon sequestration and stabilization in agroecosystems. With its focus on practical application of radiotracer and stable isotope tracer techniques, it will be particularly useful for university and national research scientists working to improve soil organic matter management and conservation in agricultural systems."--Publisher's description.
Book Synopsis Stable Isotopes in Plant Nutrition, Soil Fertility and Environmental Studies by : International Atomic Energy Agency
Download or read book Stable Isotopes in Plant Nutrition, Soil Fertility and Environmental Studies written by International Atomic Energy Agency and published by . This book was released on 1991 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a symposium jointly organized by the IAEA and FAO, Vienna, 1-5 October 1990. The objective of the symposium was to evaluate progress in the use of stable isotopes to examine various aspects of soil fertility and plant nutrition and some environmental problems, the potential and limitations of existing methods, and possibilities for further development. The meeting focused on the site level rather than the landscape level and, more specifically, on soil-plant relations, although landscape environmental aspects were also examined. The underlying theme was an assessment of current and possible future approaches to two problems of concern: how to increase or sustain productivity with minimum inputs, and how to limit environmental damage due to inappropriate land management and to industry.
Book Synopsis Guidelines for Sediment Tracing Using the Compound Specific Carbon Stable Isotope Technique by : International Atomic Energy Agency
Download or read book Guidelines for Sediment Tracing Using the Compound Specific Carbon Stable Isotope Technique written by International Atomic Energy Agency and published by . This book was released on 2019 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
