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Author : Elizabeth Anne Stone
Publisher :
ISBN 13 :
Total Pages : 279 pages
Book Rating : 4.:/5 (65 download)
Download or read book Source Apportionment of Carbonaceous Aerosol in Different Regions of the World written by Elizabeth Anne Stone and published by . This book was released on 2009 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David C. Coleman
Publisher : Academic Press
ISBN 13 : 032315767X
Total Pages : 287 pages
Book Rating : 4.3/5 (231 download)
Download or read book Carbon Isotope Techniques written by David C. Coleman and published by Academic Press. This book was released on 2012-12-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Isotope Techniques deals with the use of carbon isotopes in studies of plant, soil, and aquatic biology. Topics covered include photosynthesis/translocation studies in terrestrial ecosystems; carbon relationships of plant-microbial symbioses; microbe/plant/soil interactions; and environmental and aquatic toxicology. Stable carbon isotope ratios of natural materials are also considered. Comprised of 15 chapters, this book begins with an introduction to radiation-counting instruments used in measuring the radioactivity in soil and plant samples containing carbon-14. The discussion then turns to the basic methods of 14C use in plant science, highlighted by three examples of applications in the field of plant physiology and ecology. Subsequent chapters explore the use of carbon isotope techniques for analyzing the carbon relationships of plant-microbial symbioses; the interactions of microbes, plants, and soils; and the degradation of herbicides and organic xenobiotics. Carbon dating and bomb carbon are also described. The final section is devoted to the uses and procedures for 13C and 11C. This monograph is intended for advanced undergraduate or graduate students, as well as generalist scientists who have not previously used radioisotopes or stable isotopes in their research.
Author : Chandra Venkataraman
Publisher : Springer
ISBN 13 : 9811302804
Total Pages : 320 pages
Book Rating : 4.8/5 (113 download)
Download or read book Climate Change Signals and Response written by Chandra Venkataraman and published by Springer. This book was released on 2018-07-06 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a synthesis of research findings, in terms of strategic knowledge outcomes regarding emergence of recent regional climate signals, implications for impacts assessment, and mitigation and adaptation response, relevant in the Indian context. The first part discusses evidence of climate change and its underlying scientific processes across India, chiefly focusing on impacts that are already visible and attributable to anthropogenic activities. The latter part deals with the responses to climate change, highlighting the mitigation and adaptation strategies in various sectors and communities. The book presents a concise interpretation, distilling practical recommendations and policy prescriptions at national and sub-national levels. It serves as a reference point for understanding scientific advances and persisting uncertainty, future vulnerability and response capacity of interlinked human and natural systems, pertaining to India. It is an excellent resource for policy makers and industry watchers in addition to the research fraternity.
Author : Muthukumara Mani
Publisher : World Bank Publications
ISBN 13 : 146481256X
Total Pages : 189 pages
Book Rating : 4.4/5 (648 download)
Download or read book Glaciers of the Himalayas written by Muthukumara Mani and published by World Bank Publications. This book was released on 2021-07-16 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Melting glaciers and the loss of seasonal snow pose significant risks to the stability of water resources in South Asia. The 55,000 glaciers in the Himalaya, Karakoram, and Hindu Kush (HKHK) mountain ranges store more freshwater than any region outside of the North and South Poles. Their ice reserves feed into three major river basins in South Asia—the Indus, Ganges, and Brahmaputra—that are home to 750 million people. One major regional driver of the accelerating glacier melt is climate change, which is altering the patterns of temperature and precipitation. A second driver may be deposits of anthropogenic black carbon (BC), which increase the glaciers’ absorption of solar radiation and raise air temperatures. BC is generated by human activity both inside and outside of South Asia, and policy actions taken by the South Asian countries themselves may meaningfully reduce it. Glaciers of the Himalayas: Climate Change, Black Carbon, and Regional Resilience investigates the extent to which the BC reduction policies of South Asian countries may affect glacier formation and melt within the context of a changing global climate. It assesses the relative impact of each source of black carbon on snow and glacier dynamics. The authors simulate how BC emissions interact with projected climate scenarios. They also estimate the extent to which these glacial processes affect water resources in downstream areas of these river basins and present scenarios until 2040. Their policy recommendations include the following: Full implementation of current BC emissions policies can significantly reduce BC deposition in the region; additional reductions can be realized by enacting and implementing new policies that are economically and technically feasible. Improving the efficiency of brick kilns could be key to managing BC, and modest up-front investments could pay off quickly. Cleaner cookstoves and cleaner fuels can help to reduce BC and improve local air quality. Improving institutions for basin-based water management and using price signals are essential elements of more efficient water management. Careful management of hydropower and storage resources will require developers to factor in changing water flows and consider planning for large storage projects to stabilize water availability. Regional cooperation and the exchange of information can be an effective transboundary solution, helping countries to manage glaciers and related natural assets collaboratively. New policies are needed to reverse trends like the melting of glaciers. Success will require an active, agile cooperation between researchers and policy makers. To support an open dialogue, the model developed and used in this book is an open-source, state-of-the-art model that is available for others to use and improve on.
Author : G. Grimmer
Publisher : CRC Press
ISBN 13 : 1351088653
Total Pages : 376 pages
Book Rating : 4.3/5 (51 download)
Download or read book Environmental Carcinogens written by G. Grimmer and published by CRC Press. This book was released on 2018-01-18 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present survey comprises today‘s knowledge of environmental pollution in particular of the atmosphere by PAH and of the biological effects of this class of substance, putting special emphasis on their carcinogenic activity. The research data and conclusions derived therefrom are meant to assist the government of the Federal Republic of Germany in determining an air quality standard.
Author : András Gelencsér
Publisher : Springer Science & Business Media
ISBN 13 : 1402028873
Total Pages : 357 pages
Book Rating : 4.4/5 (2 download)
Download or read book Carbonaceous Aerosol written by András Gelencsér and published by Springer Science & Business Media. This book was released on 2007-09-28 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of carbonaceous aerosol has only recently emerged from atmospheric pollution studies; even standard nomenclature and terminology are still unsettled. This monograph is the first to offer comprehensive coverage of the nature and atmospheric role of carbonaceous aerosol particles. Atmospheric chemists, physicists, meteorologists, and modellers will find this a thought-inspiring and sometimes provocative overview of all global phenomena affected by or related to carbonaceous aerosol.
Author : András Gelencsér
Publisher : Springer Science & Business Media
ISBN 13 : 1402028873
Total Pages : 357 pages
Book Rating : 4.4/5 (2 download)
Download or read book Carbonaceous Aerosol written by András Gelencsér and published by Springer Science & Business Media. This book was released on 2007-09-28 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of carbonaceous aerosol has only recently emerged from atmospheric pollution studies; even standard nomenclature and terminology are still unsettled. This monograph is the first to offer comprehensive coverage of the nature and atmospheric role of carbonaceous aerosol particles. Atmospheric chemists, physicists, meteorologists, and modellers will find this a thought-inspiring and sometimes provocative overview of all global phenomena affected by or related to carbonaceous aerosol.
Author : R. Subramanian
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book Sampling, Analysis, and Source-apportionment of Ambient Carbonaceous Aerosols written by R. Subramanian and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9789403415857
Total Pages : 218 pages
Book Rating : 4.4/5 (158 download)
Download or read book Characterization and Source Apportionment of Carbonaceous Aerosols in China written by and published by . This book was released on 2019 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Min-Suk Bae
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (89 download)
Download or read book A Comprehensive Characterization of Carbonaceous Aerosols in St. Louis, Missouri written by Min-Suk Bae and published by . This book was released on 2005 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309144019
Total Pages : 248 pages
Book Rating : 4.3/5 (91 download)
Download or read book Global Sources of Local Pollution written by National Research Council and published by National Academies Press. This book was released on 2010-02-15 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in air pollution monitoring and modeling capabilities have made it possible to show that air pollution can be transported long distances and that adverse impacts of emitted pollutants cannot be confined to one country or even one continent. Pollutants from traffic, cooking stoves, and factories emitted half a world away can make the air we inhale today more hazardous for our health. The relative importance of this "imported" pollution is likely to increase, as emissions in developing countries grow, and air quality standards in industrial countries are tightened. Global Sources of Local Pollution examines the impact of the long-range transport of four key air pollutants (ozone, particulate matter, mercury, and persistent organic pollutants) on air quality and pollutant deposition in the United States. It also explores the environmental impacts of U.S. emissions on other parts of the world. The book recommends that the United States work with the international community to develop an integrated system for determining pollution sources and impacts and to design effective response strategies. This book will be useful to international, federal, state, and local policy makers responsible for understanding and managing air pollution and its impacts on human health and well-being.
Author : Claudio Tomasi
Publisher : John Wiley & Sons
ISBN 13 : 3527336451
Total Pages : 706 pages
Book Rating : 4.5/5 (273 download)
Download or read book Atmospheric Aerosols written by Claudio Tomasi and published by John Wiley & Sons. This book was released on 2017-03-20 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ein Blick auf die morphologischen, physikalischen und chemischen Eigenschaften von Aerosolen aus den unterschiedlichsten natürlichen und anthropogenen Quellen trägt zum besseren Verständnis der Rolle bei, die Aerosolpartikel bei der Streuung und Absorption kurz- und langwelliger Strahlung spielen. Dieses Fachbuch bietet Informationen, die sonst schwer zu finden sind, und vermittelt ausführlich die Kenntnisse, die erforderlich sind, um die mikrophysikalischen, chemischen und Strahlungsparameter zu charakterisieren, die bei der Wechselwirkung von Sonnen- und Erdstrahlen so überaus wichtig sind. Besonderes Augenmerk liegt auf den indirekten Auswirkungen von Aerosolen auf das Klima im Rahmen des komplexen Systems aus Aerosolen, Wolken und der Atmosphäre. Auch geht es vorrangig um die Wirkungen natürlicher und anthropogener Aerosole auf die Luftqualität und die Umwelt, auf die menschliche Gesundheit und unser kulturelles Erbe. Mit einem durchgängig lösungsorientierten Ansatz werden nicht nur die Probleme und Gefahren dieser Aerosole behandelt, sondern auch praktikable Lösungswege aufgezeigt.
Author : James J. Schauer
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (318 download)
Download or read book Source Apportionment of Carbonaceous Aerosols Using Integrated Multi-variant and Source Tracer Techniques and a Unique Molecular Marker Data Set written by James J. Schauer and published by . This book was released on 2012 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Robert Olson
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (989 download)
Download or read book Investigation of Carbonaceous Aerosol Optical Properties to Understand Impacts on Air Quality and Composition written by Michael Robert Olson and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical properties of carbonaceous aerosols were investigated to understand the impact source emissions and ambient particulate matter (PM) have on atmospheric radiative forcing. Black carbon (BC) is a strong absorber of visible light and contributes highly to atmospheric radiative forcing, therefore it is important to link BC properties to combustion emission sources. Brown carbon (BrC) is poorly understood and may be an important contributor to both positive and negative radiative forcing. The research investigates these primary knowledge gaps. The optical properties of carbonaceous aerosols were investigated to understand the impact source emissions and ambient particulate matter (PM) have on atmospheric radiative forcing. Black carbon (BC) is a strong absorber of visible light and contributes highly to atmospheric radiative forcing, therefore it is important to link BC properties to combustion emission sources. Brown carbon (BrC) is poorly understood and may be an important contributor to both positive and negative radiative forcing. The research investigates these primary knowledge gaps. Multiple methods were developed and applied to quantify the mass absorption cross-section (MAC) at multiple wavelengths of source and ambient samples. The MAC of BC was determined to be approximately 7.5 m2g−1 at 520nm. However, the MAC was highly variable with OC fraction and wavelength. The BrC MAC was similar for all sources, with the highest absorption in the UV at 370nm; the MAC quickly decreases at larger wavelengths. In the UV, the light absorption by BrC could exceed BC contribution by over 100 times, but only when the OC fraction is large (>90%) as compared to the total carbon. BrC was investigated by measuring the light absorption of solvent extracted fractions in water, dichloromethane, and methanol. Source emissions exhibited greater light absorption in methanol extractions as compared to water and DCM extracts. The BrC MAC was 2.4 to 3.7 m2g−1 at 370nm in methanol. Ambient samples showed similar MACs for the water and methanol extracts. Dichloromethane extracts did not have a significant light absorption characteristics for ambient samples. BrC and BC were measured in Beijing, China. Both were reduced significantly when restrictive air pollution controls were put in place. The industrial regions south and east of Beijing were the highest contributors to ambient BrC and BC. The controls reduced BrC more than BC as compared to observations during the regions heating period. Using the color characteristics of ambient PM, a model was developed to estimate elemental and organic carbon (EC/OC). The method will allow fast and cost effective quantification of PM composition in combination with large climate and health studies, especially in the developing world.
Author :
Publisher :
ISBN 13 : 9789174734287
Total Pages : 185 pages
Book Rating : 4.7/5 (342 download)
Download or read book Source Apportionment of Carbonaceous Aerosol written by and published by . This book was released on 2013 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nolwenn Perron
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (731 download)
Download or read book Radiocarbon-supported Source Apportionment of Carbonaceous Aerosols written by Nolwenn Perron and published by . This book was released on 2010 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luc Abbadie
Publisher : Springer Science & Business Media
ISBN 13 : 0387338578
Total Pages : 422 pages
Book Rating : 4.3/5 (873 download)
Download or read book Lamto written by Luc Abbadie and published by Springer Science & Business Media. This book was released on 2006-11-22 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesizing 40 years of ongoing ecological research, this book examines the structure, function, and dynamics of the Lamto humid savanna. From the history of the Lamto ecology station, to an overview of enivronmental conditions of the site, and examining the integrative view of energy and nutrient fluxes relative to the dynamics of the region's vegetation, this exacting work is as unique and treasured as Lamto itself.
