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Author : Eiko Nemitz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (74 download)
Download or read book Investigations into the surface-atmosphere exchange of ammonia and chemically interacting species written by Eiko Nemitz and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eiko G. Nemitz
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (643 download)
Download or read book Surface-atmosphere Exchange of Ammonia and Chemically Interacting Species written by Eiko G. Nemitz and published by . This book was released on 1998 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sjaak Slanina
Publisher : Springer Science & Business Media
ISBN 13 : 3662033941
Total Pages : 562 pages
Book Rating : 4.6/5 (62 download)
Download or read book Biosphere-Atmosphere Exchange of Pollutants and Trace Substances written by Sjaak Slanina and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: The biosphere is the ultimate sink for air pollutants and is also the source of many precursors for the formation of photo-oxidants. In any analysis of air pollution and for determining source-receptor relationships, reliable emission and pollutant concentrations or depositions must be taken into account, together with their interactions between the atmosphere and the biosphere. This book presents a number of authoritative review articles covering topics which include biosphere-atmosphere exchange of ammonia, nitrogen oxides, ozone and sulfur-containing gases, the biological mechanisms involved in the exchange of trace gases, as well as generalizations of deposition over Europe.
Author : Raia Silvia Massad
Publisher : Springer
ISBN 13 : 9401772851
Total Pages : 231 pages
Book Rating : 4.4/5 (17 download)
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 231 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.
Author : David Fowler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (74 download)
Download or read book Surface-atmosphere exchange of ammonia written by David Fowler and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M A (Mark) Sutton
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)
Download or read book The Surface/atmosphere Exchange of Ammonia written by M A (Mark) Sutton and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. A. (Mark) Sutton
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (66 download)
Download or read book The Surface/atmosphere Exchange of Ammonia written by M. A. (Mark) Sutton and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : 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.
Download or read book Atmospheric Chemistry and Air/Surface Exchange of Ammonia in an Agricultural Region of the Southeast United States written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexandra Germaine Tevlin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (133 download)
Download or read book Surface-atmosphere and Gas-particle Partitioning of Ammonia written by Alexandra Germaine Tevlin and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric ammonia is of interest because of its impacts on ecosystem and human health, as well as climate. Processes of surface-atmosphere and gas-particle exchange were investigated through measurements, modelling, and long-term trend analysis. A Quantum Cascade-Tuneable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) was characterised for the purposes of making direct eddy covariance (EC) flux measurements of bi-directional surface-atmosphere ammonia exchange. While this instrument has great potential, improvements are needed in both sensitivity and time response of the instrument if it is to be used to make EC flux measurements. This instrument was further used to measure vertical profiles of ammonia mixing ratios, investigating the influence of the surface on column distribution, and the variation in diurnal trends with altitude. Ammonia mixing ratios were found to increase towards the surface, with greater variability during the daytime than at night. Diurnal trends in ammonia were found to change with altitude: all heights showed a daytime maximum, and the lowest measurement height showed an additional nighttime maximum. Atmospheric ammonia is closely tied to aerosol particle composition, especially in terms of particle acidity, which can alter the health and climate impacts of such particles. A 21 year dataset of particle composition was used to determine spatial and temporal trends in particle acidity. It was found that particle acidity decreased significantly over this time period, concurrent with decreases in emissions of SO2 and NOx, with implications for air quality and atmospheric chemistry. Additionally, there is a need for greater consistency in metrics used to describe particle acidity. Finally, thermodynamic and kinetic models were used to explore the potential impacts of this particle acidity on gas-particle, and consequently surface-atmosphere exchange of ammonia, demonstrating the connection between these two equilibrium processes.
Author : Daniela Famulari
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)
Download or read book The Surface-atmosphere Exchange of Ammonia and Sulphur Dioxide written by Daniela Famulari and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter S. Liss
Publisher : Springer
ISBN 13 : 3642256430
Total Pages : 315 pages
Book Rating : 4.6/5 (422 download)
Download or read book Ocean-Atmosphere Interactions of Gases and Particles written by Peter S. Liss and published by Springer. This book was released on 2013-12-18 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oceans and atmosphere interact through various processes, including the transfer of momentum, heat, gases and particles. In this book leading international experts come together to provide a state-of-the-art account of these exchanges and their role in the Earth-system, with particular focus on gases and particles. Chapters in the book cover: i) the ocean-atmosphere exchange of short-lived trace gases; ii) mechanisms and models of interfacial exchange (including transfer velocity parameterisations); iii) ocean-atmosphere exchange of the greenhouse gases carbon dioxide, methane and nitrous oxide; iv) ocean atmosphere exchange of particles and v) current and future data collection and synthesis efforts. The scope of the book extends to the biogeochemical responses to emitted / deposited material and interactions and feedbacks in the wider Earth-system context. This work constitutes a highly detailed synthesis and reference; of interest to higher-level university students (Masters, PhD) and researchers in ocean-atmosphere interactions and related fields (Earth-system science, marine / atmospheric biogeochemistry / climate). Production of this book was supported and funded by the EU COST Action 735 and coordinated by the International SOLAS (Surface Ocean- Lower Atmosphere Study) project office.
Author : Daniela Famulari
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (66 download)
Download or read book The Surface-atmosphere Exchange of Ammonia and Sulphur Dioxide written by Daniela Famulari and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 165 pages
Book Rating : 4.:/5 (61 download)
Download or read book Atmospheric Chemistry and Air/surface Exchange of Ammonia in an Agricultural Region of the Southeast United States written by and published by . This book was released on 2005 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: nitrogen deposition, micrometeorology, ammonium aerosol, ammonia.
Author : M. A. H. G. Plantaz
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (247 download)
Download or read book Surface/atmosphere Exchange of Ammonia Over Grazed Pasture written by M. A. H. G. Plantaz and published by . This book was released on 1996 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marcus Antonius Hendricus Gertruda Plantaz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (247 download)
Download or read book Surface/atmosphere Exchange of Ammonia Over Grazed Pasture written by Marcus Antonius Hendricus Gertruda Plantaz and published by . This book was released on 1998* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with the exchange of ammonia between the atmosphere and grazed pasture in an area of intensive livestock breeding. The term exchange is used because gaseous ammonia can be taken up (dry deposition) as well as released (emission) by this type of surface.Ammonia exchange fluxes over the grass pasture of a research farm for dairy cattle breeding at Zegveld (the Netherlands) were measured continuously from July 1992 until July 1994. The main objective was to investigate the long term values and general patterns of the net contribution to atmospheric ammonia provided by exchange with such pastures. This is important for assessments of the export of ammonia from emission regions to natural areas that are sensitive to eutrophication and acidification.
