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An Investigation Of The Distribution Of Ozone Depleting Substances In The Upper Troposphere And Lower Stratosphere
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Book Synopsis An Investigation of the Distribution of Ozone-depleting Substances in the Upper Troposphere and Lower Stratosphere by : Felicia Kolonjari
Download or read book An Investigation of the Distribution of Ozone-depleting Substances in the Upper Troposphere and Lower Stratosphere written by Felicia Kolonjari and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stratospheric transport in global circulation models and chemistry-climate models is an important component in simulating the recovery of the ozone layer as well as changes in the climate system. The Brewer-Dobson Circulation is not well constrained by observations and further investigation is required to resolve uncertainties related to the mechanisms driving the circulation. This work has assessed the specified dynamics mode of the Canadian Middle Atmosphere Model (CMAM30) by comparing its output to the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) profile measurements of CFC-11, CFC-12, HCFC-22, and N2O. In the CMAM30 simulation, the meteorological fields were nudged using the ERA-Interim Reanalysis and a specified tracer was employed for each halocarbon species, with hemispherically-defined surface measurements used as the boundary condition. This modified halocarbon experiment is known as CMAM30HR. A comprehensive sampling technique along the line-of-sight of the ACE-FTS measurements has been utilized to allow for direct comparisons between the simulated and measured tracer concentrations. Stratospheric transport has been investigated using CFC-11, CFC-12, and N2O. The model consistently overpredicts the concentrations of these tracers in the lower stratosphere, particularly in the Northern Hemisphere winter and spring seasons. The three mixing barriers investigated, namely the polar vortex, the extratropical tropopause, and the tropical pipe, show that there are inconsistencies between the measurements and the simulations. It was found that the simulation under- predicts mixing efficiency in the tropical lower stratosphere during the June-July-August season. The CMAM30HR simulations and the ACE-FTS measurements of HCFC-22 have also been evaluated. ACE-FTS HCFC-22 observations exhibit a small low bias compared to instruments that use a similar measurement technique. However, when compared to in situ measurements, ACE-FTS exhibits a high bias. In general, CMAM30HR exhibits a low concentration bias below approximately 70−30 hPa and a high bias above 30 hPa compared to ACE-FTS. However, the HCFC-22 comparison reveals a peak in differences between approximately 100 hPa and 50 hPa that is not consistent with the previous comparisons of halocarbon concentrations; potential explanations of the discrepancy are discussed. The most recently available ACE-FTS data are also presented and discussed.
Download or read book Stratospheric Ozone written by and published by . This book was released on 1990 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Twenty Questions and Answers about the Ozone Layer by : Michaela I. Hegglin
Download or read book Twenty Questions and Answers about the Ozone Layer written by Michaela I. Hegglin and published by . This book was released on 2017-03 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stratospheric Ozone Depletion and Climate Change by : Rolf Müller (physicien.)
Download or read book Stratospheric Ozone Depletion and Climate Change written by Rolf Müller (physicien.) and published by Royal Society of Chemistry. This book was released on 2012 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, several new concepts have emerged in the field of stratospheric ozone depletion, creating a need for a concise in-depth publication covering the ozone-climate issue. This monograph fills that void in the literature and gives detailed treatment of recent advances in the field of stratospheric ozone depletion. It puts particular emphasis on the coupling between changes in the ozone layer and atmospheric change caused by a changing climate. The book, written by leading experts in the field, brings the reader the most recent research in this area and fills the gap between advanced textbooks and assessments.
Book Synopsis Ozone in the Troposphere and Stratosphere, Part 1 by :
Download or read book Ozone in the Troposphere and Stratosphere, Part 1 written by and published by . This book was released on 1994 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Assessment of Ozone Depletion 2014 by : National Oceanic And Atmospheric Adminis
Download or read book Scientific Assessment of Ozone Depletion 2014 written by National Oceanic And Atmospheric Adminis and published by Government Printing Office. This book was released on 2017-09-08 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is part of the information upon which the Parties to the United Nations Montreal Protocol will base their future decisions regarding ozone-depleting substances, their alternatives, and protection of the ozone layer. It is the latest in a long series of scientific assessments that have informed the Parties and contains the policy-relevant major findings of the Assessment's five scientific chapters. Actions taken under the Montreal Protocol have led to decreases in the atmospheric abundance of controlled ozone-depleting substances (ODSs), and are enabling the return of the ozone layer toward 1980 levels. This comprehensive volume includes many tables, figures, and charts throughout; and the appendices include acronyms and abbreviations, listings of authors, contributors, and reviewers from around the world, and chemical formulas. Related products: NASA and the Environment: The Case of Ozone Depletion is available here: https://bookstore.gpo.gov/products/nasa-and-environment-case-ozone-depletion Code of Federal Regulations, Title 40, Protection of Environment, Pt. 96-99, Revised as of July 1, 2016 can be found here: https://bookstore.gpo.gov/products/code-federal-regulations-title-40-protection-environment-pt-96-99-revised-july-1-2016 Our Changing Atmosphere: Discoveries from EOS Aura (Booklet) -reduced list price while supplies last available here: https://bookstore.gpo.gov/products/our-changing-atmosphere-discoveries-eos-aura-booklet
Author :National Research Council (U.S.). Committee on Atmospheric Sciences Publisher :National Academies ISBN 13 : Total Pages :40 pages Book Rating :4.:/5 (41 download)
Book Synopsis Atmospheric Ozone Studies by : National Research Council (U.S.). Committee on Atmospheric Sciences
Download or read book Atmospheric Ozone Studies written by National Research Council (U.S.). Committee on Atmospheric Sciences and published by National Academies. This book was released on 1966 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Present State of Knowledge of the Upper Atmosphere by : R. T. Watson
Download or read book Present State of Knowledge of the Upper Atmosphere written by R. T. Watson and published by . This book was released on 1986 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physical, chemical, and radiative processes which control the spatial and temporal distribution of ozone in the atmosphere; the predicted magnitude of ozone perturbations and climate changes for a variety of trace gas scenarios; and the ozone and temperature data used to detect the presence or absence of a long term trend were discussed.
Book Synopsis Scientific Assessment of Ozone Depletion, 2002 by :
Download or read book Scientific Assessment of Ozone Depletion, 2002 written by and published by . This book was released on 2003 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Protection of the Ozone Layer written by and published by . This book was released on 1995 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Distribution and Variation of Ozone in the Troposphere and Lower Stratosphere from Ozonesonde Observations by : Joseph Michael Coughlin
Download or read book The Distribution and Variation of Ozone in the Troposphere and Lower Stratosphere from Ozonesonde Observations written by Joseph Michael Coughlin and published by . This book was released on 1984 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lagrangian Modeling of the Atmosphere by : John Lin
Download or read book Lagrangian Modeling of the Atmosphere written by John Lin and published by John Wiley & Sons. This book was released on 2013-05-09 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 200. Trajectory-based (“Lagrangian”) atmospheric transport and dispersion modeling has gained in popularity and sophistication over the previous several decades. It is common practice now for researchers around the world to apply Lagrangian models to a wide spectrum of issues. Lagrangian Modeling of the Atmosphere is a comprehensive volume that includes sections on Lagrangian modeling theory, model applications, and tests against observations. Published by the American Geophysical Union as part of the Geophysical Monograph Series. Comprehensive coverage of trajectory-based atmospheric dispersion modeling Important overview of a widely used modeling tool Sections look at modeling theory, application of models, and tests against observations
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Changes in Stratospheric Ozone and Global Climate: Overview by : James G. Titus
Download or read book Effects of Changes in Stratospheric Ozone and Global Climate: Overview written by James G. Titus and published by . This book was released on 1986 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climate Intervention by : National Research Council
Download or read book Climate Intervention written by National Research Council and published by National Academies Press. This book was released on 2015-06-23 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growing problem of changing environmental conditions caused by climate destabilization is well recognized as one of the defining issues of our time. The root problem is greenhouse gas emissions, and the fundamental solution is curbing those emissions. Climate geoengineering has often been considered to be a "last-ditch" response to climate change, to be used only if climate change damage should produce extreme hardship. Although the likelihood of eventually needing to resort to these efforts grows with every year of inaction on emissions control, there is a lack of information on these ways of potentially intervening in the climate system. As one of a two-book report, this volume of Climate Intervention discusses albedo modification - changing the fraction of incoming solar radiation that reaches the surface. This approach would deliberately modify the energy budget of Earth to produce a cooling designed to compensate for some of the effects of warming associated with greenhouse gas increases. The prospect of large-scale albedo modification raises political and governance issues at national and global levels, as well as ethical concerns. Climate Intervention: Reflecting Sunlight to Cool Earth discusses some of the social, political, and legal issues surrounding these proposed techniques. It is far easier to modify Earth's albedo than to determine whether it should be done or what the consequences might be of such an action. One serious concern is that such an action could be unilaterally undertaken by a small nation or smaller entity for its own benefit without international sanction and regardless of international consequences. Transparency in discussing this subject is critical. In the spirit of that transparency, Climate Intervention: Reflecting Sunlight to Cool Earth was based on peer-reviewed literature and the judgments of the authoring committee; no new research was done as part of this study and all data and information used are from entirely open sources. By helping to bring light to this topic area, this book will help leaders to be far more knowledgeable about the consequences of albedo modification approaches before they face a decision whether or not to use them.
Download or read book MARGO written by M. Kucera and published by Elsevier. This book was released on 2006-04-10 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: MARGO - Multiproxy Approach for the Reconstruction of the Glacial Ocean surface summarizes the results of the MARGO international working group, with the aim to develop an updated and harmonised reconstruction of sea surface temperatures and sea-ice extent of the Last Glacial Maximum oceans. The MARGO approach differs from previous efforts by developing and consistently applying measures of various aspects of reconstruction reliability, and by combining faunal and geochemical proxies. In 14 papers, the volume provides a comprehensive review of earlier work and a series of new, proxy-specific reconstructions based on census counts of planktonic foraminifera, diatoms, radiolaria and dinoflagellate cysts as well as on Mg/Ca measurements in planktonic foraminifera. The approach of harmonising the calibration and application of different proxies is described in detail, various paleothermometry techniques and their results are compared and the challenge of treating sparsely sampled data as the basis for ocean circulation models is addressed. The use of stable oxygen isotope composition of foraminiferal shells as a proxy for past sea water composition is comprehensively reassessed, and a new approach to the transfer function paleothermometer is presented. This volume represents a landmark contribution to the understanding of ice-age oceanography as well as the proxies used to reconstruct past ocean states. The results will form the basis for forcing and validation of ocean circulation models. New regional reconstructions of Last Glacial Maximum ocean temperatures and sea ice cover Compilation of new calibration and fossil datasets as well as documentation of techniques and approaches to paleoenvironmental reconstructions Comparison of techniques, proxies and modelling approaches
Book Synopsis Middle Atmosphere Dynamics by : David G. Andrews
Download or read book Middle Atmosphere Dynamics written by David G. Andrews and published by Academic Press. This book was released on 2016-07-21 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: For advanced undergraduate and beginning graduate students in atmospheric, oceanic, and climate science, Atmosphere, Ocean and Climate Dynamics is an introductory textbook on the circulations of the atmosphere and ocean and their interaction, with an emphasis on global scales. It will give students a good grasp of what the atmosphere and oceans look like on the large-scale and why they look that way. The role of the oceans in climate and paleoclimate is also discussed. The combination of observations, theory and accompanying illustrative laboratory experiments sets this text apart by making it accessible to students with no prior training in meteorology or oceanography. * Written at a mathematical level that is appealing for undergraduates and beginning graduate students * Provides a useful educational tool through a combination of observations and laboratory demonstrations which can be viewed over the web * Contains instructions on how to reproduce the simple but informative laboratory experiments * Includes copious problems (with sample answers) to help students learn the material.
