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Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (248 download)
Download or read book Field Studies on the Atmospheric Chemistry of Volatile Organic Compounds Emitted in a Eucalyptus Forest written by and published by . This book was released on 2001 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ralf Koppmann
Publisher : Wiley-Blackwell
ISBN 13 : 0470994150
Total Pages : 512 pages
Book Rating : 4.4/5 (79 download)
Download or read book Volatile Organic Compounds in the Atmosphere written by Ralf Koppmann and published by Wiley-Blackwell. 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.
Author : Ülo Niinemets
Publisher : Springer Science & Business Media
ISBN 13 : 9400766068
Total Pages : 556 pages
Book Rating : 4.4/5 (7 download)
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 556 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.
Author : Federico Brilli
Publisher : Elsevier
ISBN 13 : 012821077X
Total Pages : 245 pages
Book Rating : 4.1/5 (282 download)
Download or read book Biogenic Volatile Organic Compounds and Climate Change written by Federico Brilli and published by Elsevier. This book was released on 2024-06-11 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogenic Volatile Organic Compounds and Climate Change highlights the relationship between climate change and biogenic VOC and the impact they have on each other. Topics include the synthesis and emission of VOC in plants, how they respond to environmental stresses, how sustainable agricultural practices plants can be used to directly impact climate change beyond carbon sequestration, a review of biogenic VOCs as air pollutants, and the impact of biogenic VOC on clouds. This groundbreaking work is essential for anyone in climate change, global warming and cooling, atmospheric chemistry, clouds, fate and transport of chemicals in the atmosphere, air pollution, sustainability or agriculture. - Explains how volatile organic compound (VOC) production and emission in plants can ameliorate the consequences of climate change induced abiotic and biotic stresses - Comprehensively addresses the complex interactions between global warming, atmospheric composition and plant ecology beyond carbon sequestration - Reviews the use of biogenic VOC in sustainability
Author : Reinhard F. Hüttl
Publisher : Springer Science & Business Media
ISBN 13 : 9401590222
Total Pages : 338 pages
Book Rating : 4.4/5 (15 download)
Download or read book Changes of Atmospheric Chemistry and Effects on Forest Ecosystems written by Reinhard F. Hüttl and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume summarises the result of an interdisciplinary research programme entitled `Rehabilitation of the Atmosphere of the New States of Germany - Effects on Terrestrial Ecosystems'. Before the unification of Germany, emission loads of SO2 and dust particles were up to 18-fold higher in East than in West Germany. However, emission rates have decreased significantly since reunification in 1990, due to the breakdown of a large number of industrial and particularly lignite- fired powerplants and the implementation of clean air technologies. In order to study the effects of these dramatic changes in atmospheric chemistry on terrestrial ecosystems, comprehensive field studies were conducted in pine forest ecosystems along an historic gradient of atmospheric deposition rates in the northeastern lowlands of Germany. The fast and dramatic reduction of dust particle and SO2 emissions offers a unique opportunity to test the role of SO2 and alkaline particle deposition with regard to changes or damage to forest ecosystems and whether the forest stands return to a state of resilience. In this respect, this ecosystem experiment can be looked upon as a roof experiment without a roof.
Author : Günter Helas
Publisher : Balogh Scientific Books
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (318 download)
Download or read book Biogenic Volatile Organic Compounds in the Atmosphere written by Günter Helas and published by Balogh Scientific Books. This book was released on 1997 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dudley Shallcross
Publisher : Elsevier
ISBN 13 : 9780128228623
Total Pages : 300 pages
Book Rating : 4.2/5 (286 download)
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
Author : Andreas Herrmann
Publisher : John Wiley & Sons
ISBN 13 : 1119956986
Total Pages : 408 pages
Book Rating : 4.1/5 (199 download)
Download or read book The Chemistry and Biology of Volatiles written by Andreas Herrmann and published by John Wiley & Sons. This book was released on 2011-06-15 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Coming to a conclusion, this wonderful, informative and very interesting book presents an excellent overview of small volatile organic compounds and their role in our life and environment. Really fascinating is the entirety of scientific disciplines which were addressed by this book." –Flavour and Fragrance Journal, 2011 "... this book deserves to be a well-used reference in the library of any laboratory specialising in VOC". –Chemistry World, 2011 Volatile compounds are molecules with a relatively low molecular weight allowing for an efficient evaporation into the air. They are found in many areas of our everyday-life: they are responsible for the communication between species such as plants, insects or mammals; they serve as flavours or fragrances in many food products or perfumed consumer articles; and they play an important role in atmospheric chemistry. This book takes an interdisciplinary approach to volatile molecules. Review-style introductions to the main topics in volatile chemistry and biology are provided by international experts, building into a broad overview of this fascinating field. Topics covered include: The structural variety of volatile compounds Biogeneration of volatiles Synthesis of natural and non-natural volatiles Analysis of volatiles Volatile compounds as semiochemicals in plant-plant or plant-insect interactions Volatiles in pest control Pheromones and the influence of volatiles on mammals Olfaction and human perception Volatiles as fragrances The generation of flavours and food aroma compounds Stabilisation and controlled release of volatiles The impact of volatiles on the environment and the atmosphere
Author : Khaled Chetehouna
Publisher :
ISBN 13 : 9781631178771
Total Pages : 236 pages
Book Rating : 4.1/5 (787 download)
Download or read book Volatile Organic Compounds written by Khaled Chetehouna and published by . This book was released on 2014-01-01 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile Organic Compounds (VOCs) have anthropogenic and biogenic origins. At the Earth's scale, the natural sources represent a great part of the total VOCs present in the atmosphere but in industrialized regions, anthropogenic ones become the majority due to the various human activities related mainly to chemical industries (liquid fuels, solvents, thinners, detergents, degreasers, cleaners and lubricants). Almost all VOCs have effects on human health and many of them are even carcinogenic. It is also known that the VOCs can affect the central nervous system and may have mutagenic effects. Apart from human health, they also play an important role towards the environment, especially in the atmospheric pollution processes. Indeed, VOCs emissions lead to the promotion of photochemical reactions in the atmosphere (ozone formation, depletion of the stratospheric ozone layer and formation of photochemical smog). The present book gathers and presents some current research from across the world conducted by scientific experts in their fields. In seven valuable contributions, it deals with the emission and the environmental impact as well as the control of the Volatile Organic Compounds.
Author : Roger Atkinson
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.3/5 (121 download)
Download or read book Studies of the Atmospheric Chemistry of Volatile Organic Compounds and of Their Atmospheric Reaction Products written by Roger Atkinson and published by . This book was released on 2004 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : François Dulac
Publisher : Springer Nature
ISBN 13 : 3031127412
Total Pages : 626 pages
Book Rating : 4.0/5 (311 download)
Download or read book Atmospheric Chemistry in the Mediterranean Region written by François Dulac and published by Springer Nature. This book was released on 2023-07-22 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume set provides an extensive review of the abundant past and recent literature on the atmospheric chemistry in the Mediterranean region. The books document the experience gained on the atmospheric composition over the Mediterranean basin and close areas after almost six decades of studies, starting from early studies of radioactive aerosol fallouts and intense desert dust events in the 1960s, aerosol samples collected during oceanographic cruises in the early 1980s and including discoveries from subsequent surface monitoring stations, intensive campaigns, satellite climatologies, laboratory studies, as well as chemistry-transport and climate models. Through ten thematic sections, the authors examine the sources and fates of atmospheric pollutants over the Mediterranean basin and what we know about their major impacts on air quality and health, on the radiative budget and climate, on marine chemistry and biogeochemistry. This overview not only considers the full cycle of both aerosol and reactive gases including emissions, transport, transformation, and sinks, but also addresses the main impacts of the regional atmospheric chemistry. The volumes are an initiative from the ending ChArMEx project that has federated many studies on those topics in the past decade, and update the scientific knowledge by integrating the ChArMEx and non-ChArMEx literature. The books are contributed by a large pool of well-known authors from the respective fields, mainly from France and Greece, but also from fourteen other countries. All chapters have been peer-reviewed by international scientific experts in the corresponding domains. Volume 1 provides background information on the Mediterranean atmosphere, and focuses on the synoptic and dynamic conditions affecting pollutant concentrations over the Mediterranean basin, aerosol concentrations and variability, and reactive gas concentrations and variability. The targeted audience is the academic community working on atmospheric chemistry and its impacts on climate, air quality and marine biogeochemistry, especially teams having a special interest in the Mediterranean region, which includes many countries and institutes worldwide.
Author : Shino Toma
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (11 download)
Download or read book Chemotypic Variation of Biogenic Volatile Organic Compounds in Midwest Forest and Atmospheric Role of Peroxyacyl Nitrates in Southeastern U.S. written by Shino Toma and published by . This book was released on 2017 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogenic volatile organic compounds (VOC), including isoprene and terpenes, impact atmospheric processes such as production of tropospheric ozone, formation and growth of secondary organic aerosol (SOA), global climate change, and human health. Although estimated emission rates of total biogenic VOC exceed anthropogenic emissions, there are many challenges to direct measurements because they are very reactive with atmospheric oxidants and some are still difficult to detect by current analytical techniques. Therefore, high uncertainties lead to discrepancies between individual and total biogenic VOC budget with atmospheric oxidants and an underestimation of SOA formation. White pine (Pinus strobus) was once a dominant species in many parts of the Great Lakes region and is currently growing back. To estimate future air quality in light of Midwest forest succession, the composition of terpenes in white pine needles was analyzed over five growing seasons at the University of Michigan Biological Station and other forests in Michigan using gas chromatography with mass spectrometric detection. Early successional trees were selectively girdled in one forest in 2008, and the successional influence on total terpene concentration in this forest was observed by 2011. Terpene composition in pine needles displays chemotypic variation within forests at the molecular biology level and has the potential to affect atmospheric chemistry. Alpha-Pinene was the dominant terpene in white pine and accounted for 30-50% of all terpenes on a mole basis. However, 14% of the trees showed high levels of a single enantiomer of limonene in the same specific trees every year. The limonene contribution to hydroxyl radical reactivity was estimated to be approximately 4% higher than without consideration of chemotypic differences, which may be derived from genetic differences. Peroxyacetyl nitrate (PAN), peroxypropionyl nitrate (PPN), and peroxymethacryloyl nitrate (MPAN), photooxidation products of VOC in the presence of nitrogen oxides (NOx), were measured during the Southern Oxidation and Aerosol Study (SOAS) field campaign in Alabama in summer 2013 using GC-ECD. The measured levels were lower than in past ground measurements in the southeast, with daytime means of PAN: 169, PPN: 5, and MPAN: 9 parts per trillion volume. Higher levels were seen in air influenced by urban sources. A multiple regression analysis indicates that biogenic VOC can account for 66% of PAN formation over the campaign. MPAN, which is derived solely from isoprene, is more strongly correlated to isoprene nitrates than to its precursor methacrolein, which indicates the possibility of an unreported atmospheric mechanism for formation of MPAN. This work reports the first relationship between gas-phase MPAN and organic particles from field measurements. The highest levels of MPAN correlate well with high levels of total organic mass in particles (R2=0.455). In addition, chamber experiments of isoprene photooxidation in the presence of NOx showed a significant amount of a PAN-type compound identified as peroxyacryloyl nitrate (APAN), which is typically described as an anthropogenic product. APAN may assist in particle growth like MPAN.
Author : Hannele Hakola
Publisher :
ISBN 13 : 9789521002687
Total Pages : pages
Book Rating : 4.0/5 (26 download)
Download or read book Biogenic Volatile Organic Compound (VOC) Emissions from Boreal Deciduous Trees and Their Atmospheric Chemistry written by Hannele Hakola and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew M. Ellis
Publisher : John Wiley & Sons
ISBN 13 : 1118683579
Total Pages : 361 pages
Book Rating : 4.1/5 (186 download)
Download or read book Proton Transfer Reaction Mass Spectrometry written by Andrew M. Ellis and published by John Wiley & Sons. This book was released on 2013-12-17 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proton Transfer Reaction Mass Spectrometry (PTR-MS) is a rapidly growing analytical technique for detecting and identifying very small quantities of chemical compounds in air. It has seen widespread use in atmospheric monitoring and food science and shows increasing promise in applications such as industrial process monitoring, medical science and in crime and security scenarios. Written by leading researchers, this is the first book devoted to PTR-MS and it provides a comprehensive account of the basic principles, the experimental technique and various applications, thus making this book essential reading for researchers, technicians, postgraduate students and professionals in industry. The book contains nine chapters and is divided into two parts. The first part describes the underlying principles of the PTR-MS technique, including • the relevant ion-molecule chemistry • thermodynamics and reaction kinetics • a discussion of ion sources, drift tubes and mass spectrometers • practical aspects of PTR-MS, including calibration. The second part of the book turns its attention to some of the many applications of PTR-MS, demonstrating the scope and benefits, as well as the limitations, of the technique. The chapters that make up the second part of the book build upon the material presented in the first part and are essentially self-contained reviews focusing on the following topics: • environmental science • food science • medicine • homeland security, and • applications of PTR-MS in liquid analysis.
Author : Elena Paoletti
Publisher : Frontiers Media SA
ISBN 13 : 2889666034
Total Pages : 105 pages
Book Rating : 4.8/5 (896 download)
Download or read book Interactions Between Ozone Pollution and Forest Ecosystems written by Elena Paoletti and published by Frontiers Media SA. This book was released on 2021-03-16 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Lamb
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (541 download)
Download or read book Review of the Emissions, Atmospheric Chemistry, and Gas/particle Partition of Biogenic Volatile Organic Compounds and Reaction Products written by Brian Lamb and published by . This book was released on 1999 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Leo Ogren
Publisher : Ten Speed Press
ISBN 13 : 1607744929
Total Pages : 258 pages
Book Rating : 4.6/5 (77 download)
Download or read book The Allergy-Fighting Garden written by Thomas Leo Ogren and published by Ten Speed Press. This book was released on 2015-02-17 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breathe Easy with This Groundbreaking Gardening Guide If you are one of the millions of people with allergies or asthma, this totally unique book shows you how to avoid plants that trigger allergies and to create a garden that will actually protect you by trapping pollen and cleaning the air around you. This revolutionary approach combines the best of horticulturist Thomas Ogren’s previous books—Allergy-Free Gardening and Safe Sex in the Garden—into a full-color guide, including hundreds of new and updated plant listings and photographs. Ogren’s innovative system for combating allergens is based on the crucial matter of plant sex. By replacing troublesome male plants in your yard with pollen-blocking female “pollen screens,” allergy sufferers can reduce or eliminate their symptoms. More than 3,000 plant listings are included, accompanied by an easy-to-use allergy ranking scale of 1 to 10. With many new pollen-free plants to choose from, as well as clearly marked “worst offenders” to avoid, this is the ultimate resource for home gardeners and professionals alike who want to build healthy, safe, and beautiful gardens that everyone can enjoy.
