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Author : Willem A. H. Asman
Publisher :
ISBN 13 :
Total Pages : 173 pages
Book Rating : 4.:/5 (173 download)
Download or read book Atmospheric Behaviour of Ammonia and Ammonium written by Willem A. H. Asman and published by . This book was released on 1987 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Sutton
Publisher : Springer Science & Business Media
ISBN 13 : 1402091214
Total Pages : 468 pages
Book Rating : 4.4/5 (2 download)
Download or read book Atmospheric Ammonia written by Mark Sutton and published by Springer Science & Business Media. This book was released on 2008-12-30 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anthropogenic emissions of ammonia cause a host of environmental impacts, including loss of biodiversity, soil acidification and formation of particulate matter in the atmosphere. Under the auspices of the UNECE Convention on Long Range Transboundary Air Pollution, around 80 international experts met to review the state of scientific knowledge. This book reports their analysis. It concludes that threshold levels for ammonia effects have been underestimated and sets new values, it assesses the independent evidence to verify reported reductions in regional ammonia emissions, and it reviews the uncertainties in modelling ammonia, both in "hot spots" and at the regional scale.
Author : G. Angeletti
Publisher : Springer Science & Business Media
ISBN 13 : 9400938411
Total Pages : 816 pages
Book Rating : 4.4/5 (9 download)
Download or read book Physico-Chemical Behaviour of Atmospheric Pollutants written by G. Angeletti and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fourth European Symposium held in Stresa, Italy, September 23-25, 1986
Author : B. Versino
Publisher : Springer Science & Business Media
ISBN 13 : 9400965052
Total Pages : 675 pages
Book Rating : 4.4/5 (9 download)
Download or read book Physico-Chemical Behaviour of Atmospheric Pollutants written by B. Versino and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Third European Symposium held in Varese, Italy, 10-12 April, 1984
Author : Raluca Ellis
Publisher :
ISBN 13 : 9780494781746
Total Pages : 286 pages
Book Rating : 4.7/5 (817 download)
Download or read book Using High Resolution Measurements and Models to Investigate the Behaviour of Atmospheric Ammonia written by Raluca Ellis and published by . This book was released on 2011 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric ammonia contributes to a number of environmental problems, but many questions regarding the behaviour of ammonia in the atmosphere remain. Field studies were performed to investigate the gas-particle partitioning of ammonia, the surface-atmosphere exchange, and to compare measurements with an online chemical transport model and offline thermodynamic models.A state-of-the-art instrument, Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS), with a novel sampling technique was used to measure ammonia. The detection limit of the instrument was found to be 690 ppt at 1 Hz and 42 ppt when averaged to 5 minutes. The uncertainty in the measurement is 10 % based on calibration from a permeation tube source. Laboratory and field tests show the ammonia time response to be slower at lower mixing ratios, and when the ambient relative humidity is high.A suite of instrumentation during the CalNex 2010 field campaign allowed for in-depth analysis of gas-particle partitioning and estimation of aerosol pH. Observations were compared to predictions from the thermodynamic equilibrium models ISORROPIA and E-AIM. Deviations form equilibrium were found during periods of high levels of aerosol nitrate and positive net charge. The gas-particle partitioning was found to be very sensitive to aerosol pH.Observations from the first field campaign discussed, the Border Air Quality and Meteorology Study (BAQS-Met), were compared to a chemical transport model AURAMS (A Unified Regional Air quality Modeling System). The model was often biased low in ammonia and ammonium and predicted an incorrect diurnal profile. Observations suggest a coupling between gas-particle and surface-atmosphere equilibria whereby a large atmospheric condensation sink induces emission of ammonia from the surface. A simple approach at representing the ammonia bi-direction flux more closely matched the observations, indicating that a fully coupled bidirectional flux parameterization in chemical transport models is necessary to accurately predict atmospheric ammonia.
Author :
Publisher : Nordic Council of Ministers
ISBN 13 : 9789291202539
Total Pages : 230 pages
Book Rating : 4.2/5 (25 download)
Download or read book Models and Methods for the Quantification of Atmospheric Input to Ecosystems written by and published by Nordic Council of Ministers. This book was released on 1993 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Aerts
Publisher : Springer Science & Business Media
ISBN 13 : 9401582300
Total Pages : 228 pages
Book Rating : 4.4/5 (15 download)
Download or read book Heathlands written by R. Aerts and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased atmospheric nitrogen deposition and changes in the management of heathlands have caused a significant change in the species composition of the NW-European heathlands. This change from ericaceous towards gramineous dominance is analysed in detail in Heathlands: Patterns and Processes in a Changing Environment. Special emphasis is put on the effects of increased atmospheric nutrient input on nutrient cycling, competition between plant species and plant--herbivore interactions. The possibilities for the long-term conservation of heathlands are discussed by considering regeneration from seed and the usefulness of mathematical management models. The book provides a synthesis of pure and applied plant ecology. It is vital reading for plant ecologists, biological conservationists, heathland managers and government decision makers.
Author :
Publisher : Nordic Council of Ministers
ISBN 13 : 9788773033074
Total Pages : 228 pages
Book Rating : 4.0/5 (33 download)
Download or read book Acid Precipatation written by and published by Nordic Council of Ministers. This book was released on 1989 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.W. Erisman
Publisher : Elsevier
ISBN 13 : 0080525881
Total Pages : 517 pages
Book Rating : 4.0/5 (85 download)
Download or read book Acid Rain Research: Do We Have Enough Answers? written by J.W. Erisman and published by Elsevier. This book was released on 1995-06-28 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Representing the Proceedings of the International Speciality Conference "Acid Rain Research; Do we have enough answers?", this book provides a valuable conclusion to the coordinated research on acidification in the Netherlands from 1985 to 1994. The book focuses on atmospheric deposition, effects of acid deposition on forest ecosystems in the Netherlands, and future acidification research. Special attention is given to: trace gases; ammonia; and particle deposition; and the overall assessment of deposition loads to ecosystems and soils is also discussed. This volume will be invaluable to environmental scientists, ecologists, and those involved in atmospheric science/pollution.
Author : Peter Warneck
Publisher : Elsevier
ISBN 13 : 0080529062
Total Pages : 947 pages
Book Rating : 4.0/5 (85 download)
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 947 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
Author : C.N. Hewitt
Publisher : Springer Science & Business Media
ISBN 13 : 9401537143
Total Pages : 478 pages
Book Rating : 4.4/5 (15 download)
Download or read book Global Atmospheric Chemical Change written by C.N. Hewitt and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air pollution has historically been viewed as a local or regional scale problem with attention focused on acute episodes such as the sulphur dioxide and smoke smogs of London in the 1950s and 1960s and the photochemical smogs of southern California first recognized by Haagen Smit in the early 1950s. In recent years, however, it has become apparent that human activity has, and still is, changing the chemical composition of the atmosphere on a global scale. The composition of the atmosphere has seen enormous changes due to natural processes since the formation of the planet. Data obtained from air bubbles trapped in polar ice are beginning to reveal information about these changes over the last tens of thousands of years and geochemical models of the evolution of the Earth give us insights into the changes over much longer periods of time. Perhaps the crucial differences between these natural changes and those now being induced by man are their rel ative rates of change. The magnitude of present day fluxes of some com pounds released as air pollutants is in some cases much larger than those arising naturally. In other cases, for example carbon dioxide, the an thropogenic emission rates are small compared with that of the natural cycle, but the kinetics of the system are such that the steady state concent rations of the compounds in the atmosphere are now being perturbed.
Author : Jan Nilsson
Publisher : Nordic Council of Ministers
ISBN 13 : 9788773032480
Total Pages : 426 pages
Book Rating : 4.0/5 (324 download)
Download or read book Critical Loads for Sulphur and Nitrogen written by Jan Nilsson and published by Nordic Council of Ministers. This book was released on 1988-07-01 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Miljørapport 1988:15
Author : B.A. Markert
Publisher : Elsevier
ISBN 13 : 0080527973
Total Pages : 1017 pages
Book Rating : 4.0/5 (85 download)
Download or read book Bioindicators and Biomonitors written by B.A. Markert and published by Elsevier. This book was released on 2003-06-30 with total page 1017 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive single source coverage of bioindication/biomonitoring in the fields of ecology, ecotoxicology and environmental sciences; from the ecological basics to the effects of chemicals on the environment and the latest test strategies. Contributions by leading figures in ecology from around the world reflect the broad scope of current thinking and research, making this volume essential reading for informed professionals and students.
Author : Claire C. Vos
Publisher : Springer Science & Business Media
ISBN 13 : 9401123187
Total Pages : 391 pages
Book Rating : 4.4/5 (11 download)
Download or read book Landscape Ecology of a Stressed Environment written by Claire C. Vos and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series presents studies that have used the paradigm of landscape ecology. Other approaches, both to landscape and landscape ecology are common, but in the last decade landscape ecology has become distinct from its predecessors and its contemporaries. Landscape ecol ogy addresses the relationships among spatial patterns, temporal pat terns and ecological processes. The effect of spatial configurations on ecological processes is fundamental. When human activity is an import ant variable affecting those relationships, landscape ecology includes it. Spatial and temporal scales are as large as needed for comprehension of system processes and the mosaic included may be very heteroge neous. Intellectual utility and applicability of results are valued equally. The International Association for Landscape Ecology sponsors this series of studies in order to introduce and disseminate some of the new knowledge that is being produced by this exciting new environmental science. Gray Merriam Ottawa, Canada Preface In Europe, during the seventies, landscape ecology emerged as a fusion of the spatial approach of geographers and the functional approach of ecologists. The latter focused on ecosystem functioning, regarding eco systems as homogeneous, almost abstract units in space, with input and output of energy and matter to and from the undefined surroundings.
Author :
Publisher : Academic Press
ISBN 13 : 0080567088
Total Pages : 425 pages
Book Rating : 4.0/5 (85 download)
Download or read book Advances in Ecological Research written by and published by Academic Press. This book was released on 1993-06-10 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: The six articles in this issue of Advances in Ecological Research cover a wide spectrum of ecology to ecology to munities, the discussion of vegetation change on a longer time scale, and the significance of conservation, especially in the industrialized world. S.J. Hall and D.G. Raff provide something of interest to all ecologists. Several common themes are presented in this volume including the dynamics of communities with such examples as Glacier Bat and Mount St.Helens. * SPECIAL FEATURES: * Lively selection of review on topical subjects.
Author : Jan K. Schjørring
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.E/5 ( download)
Download or read book Plant-atmosphere Ammonia Exchange written by Jan K. Schjørring and published by . This book was released on 1998 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.W. Erisman
Publisher : Elsevier
ISBN 13 : 0080527671
Total Pages : 441 pages
Book Rating : 4.0/5 (85 download)
Download or read book Atmospheric Deposition written by J.W. Erisman and published by Elsevier. This book was released on 1995-06-09 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the research on atmospheric deposition of the Dutch Priority Programme on Acidification Research is summarised. Although most research described is of Dutch origin, it has been put into a broader perspective by outlining the state of knowledge on the process affecting atmospheric deposition in Europe. This has resulted in detailed deposition maps for the Netherlands and Europe. The volume is intended for those who measure or model atmospheric deposition and ecologists interested in exposure from atmospheric deposition, as well as policy-makers and students.
