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Download or read book Atmospheric Chemistry and Air/Surface Exchange of Ammonia in an Agricultural Region of the Southeast United States written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 165 pages
Book Rating : 4.:/5 (61 download)
Download or read book Atmospheric Chemistry and Air/surface Exchange of Ammonia in an Agricultural Region of the Southeast United States written by and published by . This book was released on 2005 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: nitrogen deposition, micrometeorology, ammonium aerosol, ammonia.
Author : Mark Sutton
Publisher : Springer Science & Business Media
ISBN 13 : 1402091214
Total Pages : 468 pages
Book Rating : 4.4/5 (2 download)
Download or read book Atmospheric Ammonia written by Mark Sutton and published by Springer Science & Business Media. This book was released on 2008-12-30 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anthropogenic emissions of ammonia cause a host of environmental impacts, including loss of biodiversity, soil acidification and formation of particulate matter in the atmosphere. Under the auspices of the UNECE Convention on Long Range Transboundary Air Pollution, around 80 international experts met to review the state of scientific knowledge. This book reports their analysis. It concludes that threshold levels for ammonia effects have been underestimated and sets new values, it assesses the independent evidence to verify reported reductions in regional ammonia emissions, and it reviews the uncertainties in modelling ammonia, both in "hot spots" and at the regional scale.
Download or read book Trends in Agricultural Ammonia Emissions and Ammonium Concentrations in Precipitation Over the Southeast and Midwest United States written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Emissions from agricultural activities, both crop and animal, are known to contain gaseous ammonia (NH3) which through chemical reaction in rainwater changes into ammonium ion (NH4+). Using wet deposition data of ammonium from several National Atmospheric Deposition Program/National Trends Network (NADPD TN) and Clean Air Status Trends Network (CASTNet) sites, as well as calculated ammonia emissions from North Carolina and the Southeast and Midwest regions of the United States, trends in ammonium concentrations in precipitation were analyzed for the period of 1983-2004. In addition, HYSPLIT back-trajectory model was used to determine that when ambient air in downwind sites arrived from the high ammonia emissions source region, ammonium concentrations in precipitation were enhanced. For the Southeast United States domain, analysis shows that NH4+ concentrations generally increased with increasing NH3 emissions from within the same region. Similar analysis has been performed over the Midwest United States and compared to the results from the Southeast United States. Emissions from the Midwest are attributed to larger animals, including hogs and cattle, whereas the Southeast has a higher percentage of emissions coming from smaller livestock, such as chickens. In addition, the Midwest United States region has a much more uniform spatial distribution of emissions. The conversion of ammonia gas (NH3) into ammonium ion (NH4+) is a fundamental process that is of great environmental significance. Excessive amounts of NH4+ can lead to acidification of soils and other pollution problems. An agricultural ammonia emissions inventory for the Midwest United States and Southeast United States was developed using data from the United States Department of Agriculture 2002 Census. This inventory indicates total annual ammonia emissions to be nearly the same over the two regions, with 1417 X 106 kg NH3D m2D ear over the Southeastern United States and 1691 X 106 kg NH3.
Author : Jan K. Schjørring
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.E/5 ( download)
Download or read book Plant-atmosphere Ammonia Exchange written by Jan K. Schjørring and published by . This book was released on 1998 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gert-Jan Monteny
Publisher : BRILL
ISBN 13 : 9086866115
Total Pages : 403 pages
Book Rating : 4.0/5 (868 download)
Download or read book Ammonia emissions in agriculture written by Gert-Jan Monteny and published by BRILL. This book was released on 2023-08-28 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Ammonia emissions is an important topic in many countries with animal production, since it contributes to environmental and health problems. Strategies and measures to reduce ammonia emission are getting increasing attention in national and international legislation. This book aims to bring together visions and knowledge from scientists, policy makers and other relevant stakeholders around the subject of NH3 emissions from agricultural operations and its reduction options. It also offers a basis for international harmonization on various NH3 emission related topics (e.g. national emission inventories, measurement techniques and strategies, data on emissions and reductions) and, last but not least, it provides an update of science concerning NH3 and related environmental issues. The focus of this publication is on NH3 emissions from various agricultural sources (grazing, animal housing, manure storage, land application of manures), and the options for their reduction in a farm system approach. Also, multiple gaseous emissions, their reduction options and pollution swapping issues are addressed. Environmental impact and health related effects of NH3 are briefly addressed. In conclusion, this book gives an overview of the current knowledge about ammonia emissions and how we can implement this knowledge in current agricultural systems."
Author : Mark Sutton
Publisher : Springer
ISBN 13 : 9781402091292
Total Pages : 464 pages
Book Rating : 4.0/5 (912 download)
Download or read book Atmospheric Ammonia written by Mark Sutton and published by Springer. This book was released on 2009-08-29 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anthropogenic emissions of ammonia cause a host of environmental impacts, including loss of biodiversity, soil acidification and formation of particulate matter in the atmosphere. Under the auspices of the UNECE Convention on Long Range Transboundary Air Pollution, around 80 international experts met to review the state of scientific knowledge. This book reports their analysis. It concludes that threshold levels for ammonia effects have been underestimated and sets new values, it assesses the independent evidence to verify reported reductions in regional ammonia emissions, and it reviews the uncertainties in modelling ammonia, both in "hot spots" and at the regional scale.
Author :
Publisher :
ISBN 13 :
Total Pages : 842 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel J. Jacob
Publisher : Princeton University Press
ISBN 13 : 0691001855
Total Pages : 280 pages
Book Rating : 4.6/5 (91 download)
Download or read book Introduction to Atmospheric Chemistry written by Daniel J. Jacob and published by Princeton University Press. This book was released on 1999 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric chemistry is one of the fastest growing fields in the earth sciences. Until now, however, there has been no book designed to help students capture the essence of the subject in a brief course of study. Daniel Jacob, a leading researcher and teacher in the field, addresses that problem by presenting the first textbook on atmospheric chemistry for a one-semester course. Based on the approach he developed in his class at Harvard, Jacob introduces students in clear and concise chapters to the fundamentals as well as the latest ideas and findings in the field. Jacob's aim is to show students how to use basic principles of physics and chemistry to describe a complex system such as the atmosphere. He also seeks to give students an overview of the current state of research and the work that led to this point. Jacob begins with atmospheric structure, design of simple models, atmospheric transport, and the continuity equation, and continues with geochemical cycles, the greenhouse effect, aerosols, stratospheric ozone, the oxidizing power of the atmosphere, smog, and acid rain. Each chapter concludes with a problem set based on recent scientific literature. This is a novel approach to problem-set writing, and one that successfully introduces students to the prevailing issues. This is a major contribution to a growing area of study and will be welcomed enthusiastically by students and teachers alike.
Author : Juliette N. Varga
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.E/5 ( download)
Download or read book Atmospheric Deposition of Ammonium from Agricultural Sources to a Forest Ecosystem in the Northeastern U.S. written by Juliette N. Varga and published by . This book was released on 1994 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : The BACC II Author Team
Publisher : Springer
ISBN 13 : 3319160060
Total Pages : 515 pages
Book Rating : 4.3/5 (191 download)
Download or read book Second Assessment of Climate Change for the Baltic Sea Basin written by The BACC II Author Team and published by Springer. This book was released on 2015-04-03 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an update of the first BACC assessment, published in 2008. It offers new and updated scientific findings in regional climate research for the Baltic Sea basin. These include climate changes since the last glaciation (approx. 12,000 years ago), changes in the recent past (the last 200 years), climate projections up until 2100 using state-of-the-art regional climate models and an assessment of climate-change impacts on terrestrial, freshwater and marine ecosystems. There are dedicated new chapters on sea-level rise, coastal erosion and impacts on urban areas. A new set of chapters deals with possible causes of regional climate change along with the global effects of increased greenhouse gas concentrations, namely atmospheric aerosols and land-cover change. The evidence collected and presented in this book shows that the regional climate has already started to change and this is expected to continue. Projections of potential future climates show that the region will probably become considerably warmer and wetter in some parts, but dryer in others. Terrestrial and aquatic ecosystems have already shown adjustments to increased temperatures and are expected to undergo further changes in the near future. The BACC II Author Team consists of 141 scientists from 12 countries, covering various disciplines related to climate research and related impacts. BACC II is a project of the Baltic Earth research network and contributes to the World Climate Research Programme.
Author : Rainer Friedrich
Publisher : Springer Science & Business Media
ISBN 13 : 3662070154
Total Pages : 348 pages
Book Rating : 4.6/5 (62 download)
Download or read book Emissions of Air Pollutants written by Rainer Friedrich and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a wealth of new information that enables environmental scientists and authorities to design methods for measuring and modelling emission rates related to specific pollution sources, and thus to generate improved emission inventories and reduction strategies. The text shows how to carry out experiments to verify emission data, including tunnel and open motorway studies, comprehensive city experiments and tracer experiments.
Author : Sherri W. Hunt
Publisher : ACS Symposium
ISBN 13 : 9780841233638
Total Pages : 0 pages
Book Rating : 4.2/5 (336 download)
Download or read book Multiphase Environmental Chemistry in the Atmosphere written by Sherri W. Hunt and published by ACS Symposium. This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights new cross-disciplinary advances in aerosol chemistry that involve more than one phase, for example, unique chemical processes occurring on gas-solid and liquid-solid interfaces.
Author : M. A. H. G. Plantaz
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (247 download)
Download or read book Surface/atmosphere Exchange of Ammonia Over Grazed Pasture written by M. A. H. G. Plantaz and published by . This book was released on 1996 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ramesh P. Singh
Publisher : Elsevier
ISBN 13 : 0128166940
Total Pages : 582 pages
Book Rating : 4.1/5 (281 download)
Download or read book Asian Atmospheric Pollution written by Ramesh P. Singh and published by Elsevier. This book was released on 2021-08-31 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asian Atmospheric Pollution: Sources, Characteristics and Impacts provides a concise yet comprehensive treatment of all aspects of pollution and air quality monitoring, across all of Asia. It focuses on key regions of the world and details a variety of sources, their transport mechanism, long term variability and impacts on climate at local and regional scales. It also discusses the feedback on pollutants, on different meteorological parameters like radiative forcing, fog formations, precipitation, cloud characteristics and more. Drawing upon the expertise of multiple well-known authors from different countries to underline some of these key issues, it includes sections dedicated to treatment of pollutant sources, studying of pollutants and trace gases using satellite/station based observations and models, transport mechanisms, seasonal and inter-annual variability and impact on climate, health and biosphere in general. Asian Atmospheric Pollution: Sources, Characteristics and Impacts is a useful resource for scientists and students to understand the sources and dynamics of atmospheric pollution as well as their transport from one continent to other continents, helping the atmospheric modelling community to model different scenarios of the pollution, gauge its short term and long term impacts across regional to global scales and better understand the ramifications of episodic events. Covers all of Asia in detail in terms of pollution Focuses not only on local pollution, but on long-term transport of these pollutants and their impacts on other regions as well as the globe Includes discussion of both particulate matter and greenhouse gases Serves as a single resource on Asian air pollution and Impacts from the most current research across the globe including the US, Asia, Africa and Europe
Author : Zdenko Rengel
Publisher : CRC Press
ISBN 13 : 1135546150
Total Pages : 507 pages
Book Rating : 4.1/5 (355 download)
Download or read book Handbook of Soil Acidity written by Zdenko Rengel and published by CRC Press. This book was released on 2003-01-17 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook offers effective strategies to modify and adjust crop production processes to decrease the toxicity of soil contaminants, balance soil pH, improve root growth and nutrient uptake, and increase agricultural yield. The Handbook of Soil Acidity provides methods to, measure soil acidity, determine the major causes of soil acidification, c
Author : V.C. Nielsen
Publisher : Routledge
ISBN 13 : 1135378576
Total Pages : 404 pages
Book Rating : 4.1/5 (353 download)
Download or read book Odour and Ammonia Emissions from Livestock Farming written by V.C. Nielsen and published by Routledge. This book was released on 2003-09-02 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a seminar held in Silsoe, UK, 26-28 March 1990.
