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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.
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 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.
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 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 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 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.
Author :Sponsored by The Health Effects Institute Publisher :National Academies Press ISBN 13 :0309037263 Total Pages :703 pages Book Rating :4.3/5 (9 download)
Book Synopsis Air Pollution, the Automobile, and Public Health by : Sponsored by The Health Effects Institute
Download or read book Air Pollution, the Automobile, and Public Health written by Sponsored by The Health Effects Institute and published by National Academies Press. This book was released on 1988-01-01 with total page 703 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The combination of scientific and institutional integrity represented by this book is unusual. It should be a model for future endeavors to help quantify environmental risk as a basis for good decisionmaking." â€"William D. Ruckelshaus, from the foreword. This volume, prepared under the auspices of the Health Effects Institute, an independent research organization created and funded jointly by the Environmental Protection Agency and the automobile industry, brings together experts on atmospheric exposure and on the biological effects of toxic substances to examine what is knownâ€"and not knownâ€"about the human health risks of automotive emissions.
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 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 Global Atmospheric-Biospheric Chemistry by : Ronald G. Prinn
Download or read book Global Atmospheric-Biospheric Chemistry written by Ronald G. Prinn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the invited papers and a transcript of the final panel discussion in the First Scientific Conference of the International Global Atmospheric Chemistry (lGAC) Project, held in Eilat, Israel from April 18-22, 1993. The conference was hosted by the Israeli Institute for Biological Research (IIBR) and was the 37th in the prestigious OHOLO Conference series in Israel. The conference was devoted to the subject of "Global Atmospheric-Biospheric Chemistry" and was a landmark event in this area. It provided the first comprehensive report of progress under IGAC toward improving our understanding of the chemical and biological processes that determine the changing composition of the earth's atmosphere. This work is an essential component of the comprehensive International Geosphere Biosphere Program (lGBP) devoted to measuring and understanding global changes in the past and present, and predicting the future evolution of our planet. I want to devote this brief foreword to thanking several people who worked especially hard to make the conference a success and who helped to produce this volume as a record of the event. Paul Crutzen, Amram Golombek, Pamela Matson and Henning Rodhe did sterling service on the conference organizing committee. Special thanks go to Amram Golombek and Dr. Cohen, the Director of IIBR, who hosted the event in Israel. Anne Slinn did an excellent job in producing the Abstract book and helping with administrative matters. Alex Pszenny helped capably to critically review the Abstracts.
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 Assessment of Climate Change over the Indian Region by : R. Krishnan
Download or read book Assessment of Climate Change over the Indian Region written by R. Krishnan and published by Springer Nature. This book was released on 2020-06-12 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book discusses the impact of human-induced global climate change on the regional climate and monsoons of the Indian subcontinent, adjoining Indian Ocean and the Himalayas. It documents the regional climate change projections based on the climate models used in the IPCC Fifth Assessment Report (AR5) and climate change modeling studies using the IITM Earth System Model (ESM) and CORDEX South Asia datasets. The IPCC assessment reports, published every 6–7 years, constitute important reference materials for major policy decisions on climate change, adaptation, and mitigation. While the IPCC assessment reports largely provide a global perspective on climate change, the focus on regional climate change aspects is considerably limited. The effects of climate change over the Indian subcontinent involve complex physical processes on different space and time scales, especially given that the mean climate of this region is generally shaped by the Indian monsoon and the unique high-elevation geographical features such as the Himalayas, the Western Ghats, the Tibetan Plateau and the adjoining Indian Ocean, Arabian Sea, and Bay of Bengal. This book also presents policy relevant information based on robust scientific analysis and assessments of the observed and projected future climate change over the Indian region.
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 Biology, Controls and Models of Tree Volatile Organic Compound Emissions by : Ülo Niinemets
Download or read book Biology, Controls and Models of Tree Volatile Organic Compound Emissions written by Ülo Niinemets and published by Springer Science & Business Media. This book was released on 2013-07-08 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant-driven volatile organic compound (BVOC) emissions play a major role in atmospheric chemistry, including ozone and photochemical smog formation in the troposphere, and they extend the atmospheric lifetime of the key greenhouse gas, methane. Furthermore, condensation of photo-oxidation products of BVOCs leads to formation of secondary organic aerosols with profound implications for the earth's solar radiation budget and climate. Trees represent the plant life form that most contributes to BVOC emissions, which gives global forests a unique role in regulating atmospheric chemistry. Written by leading experts in the field, the focus is on recent advancements in understanding the controls on plant-driven BVOC emissions, including efforts to quantitatively predict emissions using computer models, particularly on elicitation of emissions under biotic and abiotic stresses, molecular mechanisms of volatile synthesis and emission and the role of emissions in plant stress tolerance.
Book Synopsis Global and Regional Changes in Atmospheric Composition by : Erno Meszaros
Download or read book Global and Regional Changes in Atmospheric Composition written by Erno Meszaros and published by CRC Press. This book was released on 1993-02-22 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an excellent reference for atmospheric scientists, policy makers, environmental managers, and environmental consultants. Topics covered include acid rain, greenhouse gases, stratospheric ozone, and the air chemistry of various materials - from their emission into the atmosphere to their removal. CONTENTS: Introduction: Past Changes in Atmospheric Environment. Present Variations of the Atmospheric Concentrations and Emissions of Trace Substances. Formation and Destruction of Trace Substances within the Atmosphere. Removal of Trace Substances from the Atmosphere. Atmospheric Cycles and Their Changes. Environmental Consequences of Anthropogenic Modifications: The Future of the Atmosphere. Index.
Book Synopsis Carbon Dioxide Information Analysis Center, World Data Center-A for Atmospheric Trace Gases by : Carbon Dioxide Information Analysis Center (U.S.)
Download or read book Carbon Dioxide Information Analysis Center, World Data Center-A for Atmospheric Trace Gases written by Carbon Dioxide Information Analysis Center (U.S.) and published by . This book was released on 1993 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
