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Emissions Of Atmospheric Trace Compounds
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Book Synopsis Emissions of Atmospheric Trace Compounds by : Claire Granier
Download or read book Emissions of Atmospheric Trace Compounds written by Claire Granier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book grows out of a 2001 workshop on "Emission of Chemical Species and Aerosols into the Atmosphere." The contents deal with inventories of emissions related to anthropogenic emissions or biomass burning; emissions from vegetation and soils; emissions of mineral and sea-salt aerosols; and emissions of sulphur compounds from the oceans. Concluding chapters show how atmospheric observations have been used to improve our knowledge of emissions.
Book Synopsis Biogenic Trace Gases by : P. A. Matson
Download or read book Biogenic Trace Gases written by P. A. Matson and published by John Wiley & Sons. This book was released on 2009-05-27 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trace gases are those that are present in the atmosphere at relatively low concentrations. Small changes in their concentrations can have profound implications for major atmospheric fluxes, and thereore, can be used as indicators in studies of global change, global biogeochemical cycling and global warming. This new how-to guide will detail the concepts and techniques involved in the detection and measurement of trace gases, and the impact they have on ecological studies. Introductory chapters look at the role of trace gases in global cycles, while later chapters go on to consider techniques for the measurement of gases in various environments and at a range of scales. A how-to guide for measuring atmospheric trace gases. Techniques described are of value in addressing current concerns over global climate change.
Download or read book Trace Gas Emissions by Plants written by and published by Academic Press. This book was released on 2012-12-02 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many trace gases are exchanged between the atmosphere and the biosphere. Although much research has been published on the photosynthetic exchanges of carbon dioxide, oxygen, and water vapor, this book focuses on the importance of biogenic trace gases on atmosphere chemistry and ecosystem stability. Included are methane and its effect on the radiative properties of the atmosphere, hydrocarbons (isoprene and monoterpenes), and their role in the production of ozone and carbon monoxide. Also covered are sulfur and nitrogen gases, both of which can lead to ecosystem acidification. The biochemistry and physiology of production of these and other gases are investigated. Plant physiologists, ecologists, and atmospheric chemists and modelers will benefit from this book.
Book Synopsis Trace Gas Exchange in Forest Ecosystems by : R. Gasche
Download or read book Trace Gas Exchange in Forest Ecosystems written by R. Gasche and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume summarizes the current knowledge on the exchange of trace gases between forests and the atmosphere with the restriction that exclusively carbon and nitrogen compounds are included. For this purpose the volume brings together and interconnects knowledge from different disciplines of biological and atmospheric sciences. It covers microbial and plant processes involved in the production and consumption of these trace gases; the exchange processes between forest soils and vegetation on the one hand, and the atmosphere on the other hand; the fate of the trace gases exchanged inside the atmosphere as well as environmental influences on the exchange of trace gases between forest ecosystems and the atmosphere. With this interdisciplinary approach the volume provides the background for an evaluation of the exchange of trace gases between forest ecosystems and the atmosphere and man-made disturbances of this exchange.
Book Synopsis Chemical Compounds in The Atmosphere by : T Graedel
Download or read book Chemical Compounds in The Atmosphere written by T Graedel and published by Elsevier. This book was released on 2012-12-02 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Compounds in the Atmosphere deals with the chemistry of organic and inorganic compounds found in the atmosphere, including rare gases and compounds of oxygen and hydrogen, halogenated aromatic compounds, and organometallic compounds. The sources and concentrations of atmospheric trace gases are discussed, along with their chemical reactions and ultimate fates. The compounds are divided into groups on the basis of chemical constituent or chemical structure. Comprised of 10 chapters, this book opens with an overview of atmospheric composition and atmospheric chemistry, followed by a discussion on inorganic compounds present in the troposphere such as rare gases and compounds containing nitrogen, sulfur, and halogens. The next chapters focus on hydrocarbons such as alkanes, alkenes, and alkynes; carbonyl compounds such as ketones and aldehydes; oxygenated and nitrogen- and sulfur-containing organic compounds; organic halogenated compounds such as mercaptans and thiocyanates; and organometallic compounds such as organophosphorus pesticides. The final chapter is a synthesis of data on atmospheric compounds mentioned in this text, with emphasis on their occurrence, sources, oxidation, and lifetimes. The chemistry of acid rain is also considered. This monograph will be of value to those engaged in atmospheric measurements, theoretical and laboratory studies of chemical parameters relevant to the atmosphere, and air quality assessments.
Book Synopsis Review and Integration of Biosphere-Atmosphere Modelling of Reactive Trace Gases and Volatile Aerosols by : Raia Silvia Massad
Download or read book Review and Integration of Biosphere-Atmosphere Modelling of Reactive Trace Gases and Volatile Aerosols written by Raia Silvia Massad and published by Springer. This book was released on 2015-07-16 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: When considering biosphere–atmosphere exchange of trace gases and volatile aerosols, significant advances have been made both from an experimental and modelling point of view and on several scales. This was particularly stimulated by the availability of new datasets generated from improvements in analytical methods and flux measurement techniques. Recent research advances allow us, not only to identify major mechanisms and factors affecting the exchanges between the biosphere and the atmosphere, but also to recognize several gaps in the methodologies used in accounting for emissions and deposition in landscape and global scale models. This work aims at (i) reviewing exchange processes and modelling schemes, parameterisations and datasets, (ii) presenting a common conceptual framework to model soil-vegetation-atmosphere exchange of reactive trace gases and aerosols accounting for in-canopy transfer chemical interactions and (iii) discussing the key elements of the agreed framework.
Book Synopsis Chemistry of the Natural Atmosphere by : Peter Warneck
Download or read book Chemistry of the Natural Atmosphere written by Peter Warneck and published by Elsevier. This book was released on 1999-10-29 with total page 927 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of thc chemical behavior of trace compounds in the atmosphere has grown steadily, and sometimes even spectacularly, in recent decades. These developments have led to the emergence of atmospheric chemistry as a new branch of science. This book covers all aspects of atmospheric chemistry on a global scale, integrating information from chemistry and geochemistry, physics, and biology to provide a unified account. For each atmospheric constituent of interest, the text summarizes the principal observations on global distribution, chemical reactions, natural and anthropogenic sources, and physical removal processes. Coverage includes processes in the gas phase, in aerosols and c1ouds, and in precipitation, as well as biogeochemical cycles and the evolution of the atmosphere. Chemistry of the Natural Atmosphere, Second Edition, will serve as a textbook for senior undergraduate and graduate courses, and as an essential reference for atmospheric chemists, meteorologists, and anyone studying the biogeochemical cycles of trace gases. * Updated extensively from the highly respected first edition * Treats the global-scale chemistry and distribution of atmospheric trace constituents * Emphasizes observations and their interpretation * Provides background on transport and reaction kinetics for interpretation of observational data * Includes chemistry in the gas phase and in aerosols and clouds * Details chemical reaction pathways for the most important trace constituents * Describes pertinent biogeochemical cycles * Written by an author with more than 40 years of research experience in atmospheric chemistry
Book Synopsis Atmospheric Chemical Compounds by : T. E. Graedel
Download or read book Atmospheric Chemical Compounds written by T. E. Graedel and published by Elsevier. This book was released on 2012-12-02 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical reference examines the structure and properties of the atmosphere, including listings of compounds in clouds, fog, rain, snow, and ice; a listing of compounds detected in the stratosphere; and a compendium of compounds in indoor air. An introduction to carcinogenicity and bioassay of atmospheric compounds is also presented. Readers will find the extensive cross-referencing especially useful--compounds can be located by chemical type, name, CAS registry number, or source.
Book Synopsis Biogeochemistry of Global Change by : Ronald S. Oremland
Download or read book Biogeochemistry of Global Change written by Ronald S. Oremland and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 881 pages. Available in PDF, EPUB and Kindle. Book excerpt: Certain trace gases in the atmosphere are able to absorb electromagnetic energy from the reflection of solar radiation from the Earth's surface. These gases have been increasing steadily and there is concern that they will change global climatic conditions by warming the atmosphere--the so-called ``greenhouse effect.'' Many of these gases originate from biological systems. The Biogeochemistry of Global Change discusses the role of radiative trace gases in this process. The disciplines covered in the book include microbiology, geochemistry, atmospheric chemistry, plant physiology, oceanography and limnology, and soil science. This diversity allows for cross-fertilization, achieving a better understanding of the complex mechanisms for biological and chemical formation, the destruction of trace gases, and the manipulation of ecosystems. Some of the topics covered include: biological mechanisms of formation and destruction of various ``greenhouse'' gases (such as methane, nitrous oxide, carbon dioxide, dimethylsulfide, and chlorofluorocarbons); the outward and consumptive flux of trace gases from marine and terrestrial systems (including anthropogenic sources); global trace gas modeling studies; the atmospheric physical and chemical reactions of trace gases; and the environmental significance of various trace gases in ancient and current atmospheres. The Biogeochemistry of Global Change provides both reviews and primary source material for active researchers in this field and for microbiologists and atmospheric chemists.
Book Synopsis Trace Gas Emissions and Plants by : S. N. Singh
Download or read book Trace Gas Emissions and Plants written by S. N. Singh and published by Springer Science & Business Media. This book was released on 2000 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atmospheric Sources and Sinks of Volatile Organic Compounds by : Dudley Shallcross
Download or read book Atmospheric Sources and Sinks of Volatile Organic Compounds written by Dudley Shallcross and published by Elsevier. This book was released on 2021-10-15 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate change and air quality are two of the most pressing concerns in the 21st century and VOCs play a pivotal role in both spheres. Scientists across the world are becoming aware of the importance of understanding the role that VOCs play from a wide range of fields. Atmospheric Sources and Sinks of Volatile Organic Compounds is comprehensive but concise book with information that is extremely important to groups in the field of atmospheric science but also to the myriad groups that border this field, such as climate scientists, analytical scientists, health professionals, agricultural and botanical related researchers and many more. Atmospheric Sources and Sinks of Volatile Organic Compounds provides the reader with information in a form that they can adapt, such as emission factors, ways to estimate emissions as a function of appropriate variables, removal processes etc. The research also is connected to topics allied fields including land use, agriculture, measurement (analytical), and climate science. Features datasets and global maps of VOC distributions with supporting data Provides readers with information so that they can carry out 'what if' calculations, to be able to estimate the change in emissions in the future or make the information relevant to their region of the world Includes comprehensive coverage of VOCs and demonstrations of patterns in emission and removal
Book Synopsis Water Interfaces as a Source and Sink of Reactive Trace Gases in the Atmosphere by : Gordon Novak
Download or read book Water Interfaces as a Source and Sink of Reactive Trace Gases in the Atmosphere written by Gordon Novak and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ocean surface serves as a source and sink for a diverse set of reactive trace gases in the atmosphere, including volatile organic compounds (VOC), reactive halogens, and oxidized and reduced nitrogen compounds. The exchange of reactive trace gases between the atmosphere and ocean has been shown to alter atmospheric oxidant concentrations and drive particle nucleation and growth. Uncertainties in cloud radiative forcing and aerosol-cloud interactions are among the largest uncertainties in current global climate models. Climate models are particularly sensitive to cloud cover over the remote ocean due to large changes in albedo between the ocean surface and cloud tops. Oceanic emissions contribute to cloud condensation nuclei concentrations, either through the direct emission of particles during wave breaking, or through the formation of secondary aerosol particles following the emission of reactive gas-phase compounds. Despite generally small and diffuse oceanic emission rates for reactive trace gases, it has been shown that oxidant and particle number concentrations are acutely sensitive to air-sea trace gas exchange rates and the chemical composition of emitted species. To date, field measurements of air-sea reactive gas exchange have focused primarily on the emission of gases of biological origin, such as dimethyl sulfide (DMS). While DMS emissions are relatively well constrained, the gas-phase oxidation that connects DMS to sulfate aerosol is less well understood. Recent laboratory measurements suggest that heterogeneous and photochemical reactions occurring at the air-sea interface can also lead to the production and emission of a wide array of reactive VOC. When laboratory-based measurements are used to derive global scale emissions, the calculated sea-to-air fluxes of reactive VOC generated from heterogeneous and photochemical processes are comparable or larger in magnitude to the sea-to-air flux of DMS. It is not yet clear how the mechanisms proposed in these laboratory experiments translate to atmospheric conditions. The proposed abiotic emissions are also a potential source of VOC in regions of low biological activity which carries important implications for regional and global modeling. This thesis presents work to directly constrain the magnitude and speciation of biotic and abiotic ocean-atmosphere VOC exchange and subsequent processing in the atmosphere. Chapter 1 details direct eddy covariance flux measurements of O3 deposition to the coastal ocean from a deployment to Scripps Pier La Jolla, CA in 2018. The rate of O3 deposition to the ocean is important as both a sink of O3 which is an air pollutant and greenhouse gas, and also because it controls the magnitude of potential abiotic emissions from heterogeneous chemistry at the ocean atmosphere interface. Chapter 2 presents the first broad survey of VOC air-sea exchange by eddy covariance flux at the coastal Scripps Pier site. This study directly targeted biotic and abiotic VOC emission fluxes and included coincident measurements of solar irradiance, O3 mixing ratios, and ocean biochemical parameters. In Chapter 3 I describe the use of eddy covariance flux measurements from an airborne platform on the NASA Atmospheric Tomography mission (ATom) as a probe of cloud processing and uptake in the marine boundary layer. Cloud uptake can act as a terminal sink of low volatility species in the boundary layer, affecting VOC, HOx, and NOx budgets in cloud capped boundary layers. Chapters 4 and 5 describe the characterization of new chemical ionization mass spectrometry methods which enable the high sensitivity and precision measurements necessary for the eddy covariance technique. Chapter 4 presents detailed calibrations of benzene cluster cation reagent ions for the detection of isoprene, monoterpenes, and sesquiterpenes. Chapter 5 is a detailed characterization of oxygen anion reagent ion chemistry (Ox-CIMS) which enables extremely high sensitivity detection of O3 necessary for measurements of O3 deposition to the ocean. Together this thesis describes new tools for and new observations of the air-sea exchange of reactive trace gases.
Book Synopsis Microbiology of Atmospheric Trace Gases by : J. Colin Murrell
Download or read book Microbiology of Atmospheric Trace Gases written by J. Colin Murrell and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters making up this volume are based on the presentations given by their authors at the NATO Advanced Research Workshop (ARW) , also entitled "The Microbiology of Atmospheric Trace Gases: Sources, Sinks and Global Change Processes", held between 13-18 May 1995 at II Ciocco, Castelvecchio Pascoli, Tuscany, Italy. Four reports of Working Group discussions on aspects of trace gas microbiology and climate change are also included in the volume, prepared by rapporteurs designated at the ARW. All the papers here presented have been subjected to peer review by at least two referees and corrections and amendments made where necessary before their acceptance for pUblication in this volume. The ARW was set up to address a wide range of issues relating to atmospheric trace gas microbiology and the organizing group was aware of the burgeoning of studies on gas metabolism and on global effects of atmospheric trace gases over the past two decades. This research effort has led to a number of specialist and generalist meetings including the triennial series of symposia on the metabolism of one-carbon compounds, colloquia concerned with dimethyl sulfide and its precursor, DMSP, through to the Intergovernmental Panels on Climate Change, which have addressed the impact of increasing levels of atmospheric carbon dioxide, methane, nitrous oxide and chlorofluorocarbons on global climate. Over recent years methane and nitrous oxide showed rates of increase in the atmosphere of 40-48 and 3-4. 5 Tg/year, respectively.
Book Synopsis Fundamentals of Environmental Chemistry, Third Edition by : Stanley E. Manahan
Download or read book Fundamentals of Environmental Chemistry, Third Edition written by Stanley E. Manahan and published by CRC Press. This book was released on 2011-03-05 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an expert, using the same approach that made the previous two editions so successful, Fundamentals of Environmental Chemistry, Third Edition expands the scope of book to include the strongly emerging areas broadly described as sustainability science and technology, including green chemistry and industrial ecology. The new edition includes: Increased emphasis on the applied aspects of environmental chemistry Hot topics such as global warming and biomass energy Integration of green chemistry and sustainability concepts throughout the text More and updated questions and answers, including some that require Internet research Lecturers Pack on CD-ROM with solutions manual, PowerPoint presentations, and chapter figures available upon qualifying course adoptions The book provides a basic course in chemical science, including the fundamentals of organic chemistry and biochemistry. The author uses real-life examples from environmetnal chemistry, green chemistry, and related areas while maintaining brevity and simplicity in his explanation of concepts. Building on this foundation, the book covers environmental chemistry, broadly defined to include sustainability aspects, green chemistry, industrial ecology, and related areas. These chapters are organized around the five environmental spheres, the hydrosphere, atmosphere, geosphere, biosphere, and the anthrosphere. The last two chapters discuss analytical chemistry and its relevance to environmental chemistry. Manahan’s clear, concise, and readable style makes the information accessible, regardless of the readers’ level of chemistry knowledge. He demystifies the material for those who need the basics of chemical science for their trade, profession, or study curriculum, as well as for readers who want to have an understanding of the fundamentals of sustainable chemistry in its crucial role in maintaining a livable planet.
Book Synopsis Volatile Organic Compounds in the Atmosphere by : Ralf Koppmann
Download or read book Volatile Organic Compounds in the Atmosphere written by Ralf Koppmann and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every day, large quantities of volatile organic compounds (VOCs) are emitted into the atmosphere from both anthropogenic and natural sources. The formation of gaseous and particulate secondary products caused by oxidation of VOCs is one of the largest unknowns in the quantitative prediction of the earth’s climate on a regional and global scale, and on the understanding of local air quality. To be able to model and control their impact, it is essential to understand the sources of VOCs, their distribution in the atmosphere and the chemical transformations which remove these compounds from the atmosphere. In recent years techniques for the analysis of organic compounds in the atmosphere have been developed to increase the spectrum of detectable compounds and their detection limits. New methods have been introduced to increase the time resolution of those measurements and to resolve more complex mixtures of organic compounds. Volatile Organic Compounds in the Atmosphere describes the current state of knowledge of the chemistry of VOCs as well as the methods and techniques to analyse gaseous and particulate organic compounds in the atmosphere. The aim is to provide an authoritative review to address the needs of both graduate students and active researchers in the field of atmospheric chemistry research.
Book Synopsis Measurement and Deduction of Emissions of Short-lived Atmospheric Organo-chlorine Compounds by : Gary Kleiman
Download or read book Measurement and Deduction of Emissions of Short-lived Atmospheric Organo-chlorine Compounds written by Gary Kleiman and published by . This book was released on 1999 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis African Greenhouse Gas Emission Inventories and Mitigation Options: Forestry, Land-Use Change, and Agriculture by : John F. Fitzgerald
Download or read book African Greenhouse Gas Emission Inventories and Mitigation Options: Forestry, Land-Use Change, and Agriculture written by John F. Fitzgerald and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: As atmospheric concentrations of greenhouse gases continue to increase, so does the potential for atmospheric warming and associated climate change. In an effort to address the threat of global climate change, 155 countries signed the UN Framework Convention on Climate Change at the Earth Summit in Rio de Janeiro in June 1992. As of the first session of the Conference of the Parties, 128 nations had ratified the Convention. Among their other commitments, Parties to the Convention must develop and periodically update national inventories of net anthropogenic greenhouse gas emissions using comparable methodologies, and must develop and implement national programs to mitigate greenhouse gas emissions. To further the development of emission inventories and mitigation options within the African context, 64 governmental and non-governmental scientists and policy analysts from 23 nations gathered at a workshop near Johannesburg, South Africa from 29 May to 2 June 1995. The workshop focused on forestry, land-use change, and agriculture, because these sectors not only are responsible for the majority of emissions from the continent and provide promising opportunities for emissions mitigation, but also are a vital component of African economic growth and development. This book presents the workshop's major conclusions and findings, as well as individual papers that were prepared for the workshop, each of which was peer-reviewed and accepted for publication as part of the workshop process. The papers cover four areas: (1) issues are associated with data collection and emission factor determination; (2) problems associated with applying the IPCC inventory methodologies in Africa; (3) results of national inventory assessments in Africa; and (4) possible emissions mitigation options and methods for evaluating their potential viability. As the first book dedicated solely to greenhouse gas emissions and mitigation options in Africa, this will be an invaluable resource to scientists, policymakers, and development specialists interested in global climate change and Africa.
