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Observing Systems For Atmospheric Composition
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Book Synopsis Observing Systems for Atmospheric Composition by : Guido Visconti
Download or read book Observing Systems for Atmospheric Composition written by Guido Visconti and published by Springer Science & Business Media. This book was released on 2007-03-20 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: One challenge in atmospheric chemistry is understanding the intercontinental transport and transformation of gases and aerosols. This book describes observational and modeling techniques used to understand atmospheric composition from satellites, aircraft and ground based platforms. Common ideas presented throughout are the role of each component in an observing system for atmospheric composition, and advances necessary to improve understanding of atmospheric composition.
Book Synopsis Integrated Ground-Based Observing Systems by : Domenico Cimini
Download or read book Integrated Ground-Based Observing Systems written by Domenico Cimini and published by Springer Science & Business Media. This book was released on 2010-09-15 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a collection of the lectures delivered during the 7th International Summer School on Atmospheric and Oceanic Sciences (ISSAOS) titled “Integrated Ground-Based Observing Systems Applications for Climate, Meteorology, and Civil Protection”. Its aim is to contribute to the scientific understanding of basic concepts and applications of integrated ground-based observing systems. The first part describes the most common instrumentations showing their strengths and limitations. Furthermore, strategic plans for the deployment of an observation site are discussed along with an overview of techniques for integrating heterogeneous data. The second part introduces cutting-edge applications, including assimilation in numerical weather prediction, climate benchmarking, air quality monitoring and meteo/hydrological warnings.
Book Synopsis Global Air Quality by : National Research Council
Download or read book Global Air Quality written by National Research Council and published by National Academies Press. This book was released on 2001-05-13 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Research Council's Committee on Atmospheric Chemistry (NRC/CAC) was established to serve as a focal point for NRC activities on issues related to atmospheric chemical change and its impacts on air quality, climate, stratospheric ozone depletion, and other related issues. The committee consists of 12 members with expertise covering the areas of tropospheric and stratospheric chemistry; urban/regional air pollution; modeling of climate, chemistry, and atmospheric dynamics; in situ and remote sensing observational systems; and interfaces of science and public policy. This CAC study was motivated by a concern that, in the coming decades, dramatic increases in global population and urbanization levels, as well as changes in global climate, may significantly affect air quality over large regions of the globe. The charge to the committee was to examine the linkages among regional/ global changes in atmospheric composition, climate change, and air quality.
Book Synopsis Satellites for Atmospheric Sciences 1 by : Thierry Phulpin
Download or read book Satellites for Atmospheric Sciences 1 written by Thierry Phulpin and published by John Wiley & Sons. This book was released on 2024-02-13 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can atmospheric variables such as temperature, wind, rain and ozone be measured by satellites? How are these measurements taken and what has been learned since the first measurements in the 1970s? What data are currently available and what data are expected in the future? The first volume of this encyclopedic book answers these questions by reporting the history of satellite meteorology and addresses how national and international agencies define coordinated programs to cover user needs. It also presents the principles of satellite remote sensing to deliver products suited to user requirements. This book is completed by a glossary and appendices with a list of supporting instruments already in use.
Book Synopsis Satellites for Atmospheric Sciences 2 by : Thierry Phulpin
Download or read book Satellites for Atmospheric Sciences 2 written by Thierry Phulpin and published by John Wiley & Sons. This book was released on 2024-02-06 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can atmospheric variables such as temperature, wind, rain and ozone be measured by satellites? How are these measurements taken and what has been learned since the first measurements in the 1970s? What data are currently available and what data are expected in the future? The second volume of this encyclopedic book presents each field of application – meteorology, atmospheric composition and climate – with its main aims as well as the specific areas which can be addressed through the use of satellite remote sensing. This book presents the satellite products used for operational purposes as well as those that allow for the advancement of scientific knowledge. The instruments that are at their origin are described, as well as the processing, delivery times and the knowledge they provide. This book is completed by a glossary and appendices with a list of supporting instruments already in use.
Book Synopsis The Remote Sensing of Tropospheric Composition from Space by : John P. Burrows
Download or read book The Remote Sensing of Tropospheric Composition from Space written by John P. Burrows and published by Springer Science & Business Media. This book was released on 2011-01-15 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impact of anthropogenic activities on our atmospheric environment is of growing public concern and satellite-based techniques now provide an essential component of observational strategies on regional and global scales. The purpose of this book is to summarise the state of the art in the field in general, while describing both key techniques and findings in particular. It opens with an historical perspective of the field together with the basic principles of remote sensing from space. Three chapters follow on the techniques and on the solutions to the problems associated with the various spectral regions in which observations are made. The particular challenges posed by aerosols and clouds are covered in the next two chapters. Of special importance is the accuracy and reliability of remote sensing data and these issues are covered in a chapter on validation. The final section of the book is concerned with the exploitation of data, with chapters on observational aspects, which includes both individual and synergistic studies, and on the comparison of global and regional observations with chemical transport and climate models and the added value that the interaction brings to both. The book concludes with scientific needs and likely future developments in the field, and the necessary actions to be taken if we are to have the global observation system that the Earth needs in its present, deteriorating state. The appendices provide a comprehensive list of satellite instruments, global representations of some ancillary data such as fire counts and light pollution, a list of abbreviations and acronyms, and a set of colourful timelines indicating the satellite coverage of tropospheric composition in the foreseeable future. Altogether, this book will be a timely reference and overview for anyone working at the interface of environmental, atmospheric and space sciences.
Book Synopsis Applications of Constellation Observing System for Meteorology, Ionosphere & Climate by : Lou-Chuang Lee
Download or read book Applications of Constellation Observing System for Meteorology, Ionosphere & Climate written by Lou-Chuang Lee and published by Springer Science & Business Media. This book was released on 2001-01-01 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of contributions from many experts from space research institutions in a joint US-Taiwan project, COSMIC - Application of Constellation Observing System for Meteorology, Ionosphere and Climate. The COSMIC project data will complement other observing systems and improve global weather analyses. These improved data analyses and forecast will provide significant benefits to aviation and other industries that accurate meteorological forecast are needed . The COSMIC project is a science experience to demonstrate the utility of atmospheric limb surroundings from a constellation of eight low-earth orbiting satellites in operational weather prediction, space weather monitoring and space geodesy.
Book Synopsis Atmospheric Satellite Observations by : Xiaolei Zou
Download or read book Atmospheric Satellite Observations written by Xiaolei Zou and published by Academic Press. This book was released on 2020-03-05 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric Satellite Observations: Variation Assimilation and Quality Assurance provides an invaluable reference for satellite data assimilation. Topics covered include linear algebra, frequently used statistical methods, the interpolation role of function fitting, filtering when dealing with real observations, minimization in data assimilation systems, 3D-Var and the inverse problem it solves, 4D-Var and adjoint techniques, and much more. The book concludes with satellite observation of hurricanes. Contains mathematical concepts from several branches of study, including calculus, linear algebra, probability theory, functional analysis, and minimization Illustrates quality assurance for satellite observations using real data examples Includes a dedicated chapter on how different satellite instruments see hurricanes Reviews theory, system development, and the numerical experiments of three- and four-dimensional variational data assimilation (3D-Var/4D-Var)
Book Synopsis On Satellite Observations of Atmospheric Composition and Their Interpretation by :
Download or read book On Satellite Observations of Atmospheric Composition and Their Interpretation written by and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the findings of validation studies involving DOMINO data, improvements to the DOMINO algorithm regarding surface albedo and a priori profile shape are identified.
Download or read book Earth Observing System written by and published by . This book was released on 1999 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Spectroscopic Monitoring of the Atmosphere by : Weidong Chen
Download or read book Advances in Spectroscopic Monitoring of the Atmosphere written by Weidong Chen and published by Elsevier. This book was released on 2021-06-09 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Spectroscopic Monitoring of the Atmosphere provides a comprehensive overview of cutting-edge technologies and monitoring applications. Concepts are illustrated by numerous examples with information on spectroscopic techniques and applications widely distributed throughout the text. This information is important for researchers to gain an overview of recent developments in the field and make informed selections among the most suitable techniques. This volume also provides information that will allow researchers to explore implementing and developing new diagnostic tools or new approaches for trace gas and aerosol sensing themselves. Advances in Spectroscopic Monitoring of the Atmosphere covers advanced and newly emerging spectroscopic techniques for optical metrology of gases and particles in the atmosphere. This book will be a valuable reference for atmospheric scientists, including those whose focus is applying the methods to atmospheric studies, and those who develop instrumentation. It will also serve as a useful introduction to researchers entering the field and provide relevant examples to researchers and students developing and applying optical sensors for a variety of other scientific, technical, and industrial uses. Overview of new applications including remote sensing by UAV, laser heterodyne radiometry, dual comb spectroscopy, and more Features in-situ observations and measurements for real-world data Includes content on leading edge optical sensors
Book Synopsis Infrared Observation of Earths Atmosphere by : Hervé Herbin
Download or read book Infrared Observation of Earths Atmosphere written by Hervé Herbin and published by John Wiley & Sons. This book was released on 2015-11-04 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed to provide the theoretical, but most of all, the practical bases needed for the achievement of atmospheric composition analyses from infrared remote sensing.
Book Synopsis Leveraging Diverse Observations of Atmospheric Composition and Model-Based Sensitivity Analysis to Refine Estimates of Air Pollution Emissions and Impacts by : Congmeng Lyu
Download or read book Leveraging Diverse Observations of Atmospheric Composition and Model-Based Sensitivity Analysis to Refine Estimates of Air Pollution Emissions and Impacts written by Congmeng Lyu and published by . This book was released on 2021 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ground-level ozone, which forms photochemically in the atmosphere from precursor emissions of oxides of nitrogen (NOx) and volatile organic compounds, is a criteria pollutant that harms human health and public welfare. For a representative summer episode, premature mortality and potential productivity losses (PPLs) of selected crops and trees attributable to ozone exposure have been quantified using ozone fields from the Community Multiscale Air Quality (CMAQ) model. We applied exposure-response models for the increased risk of premature mortality due to long-term exposure to ozone over a theoretical minimum risk exposure level (TMREL) and for the reduced accumulation of vegetative biomass for four crop species and eleven tree species using the W126 metric designed to capture impacts on plants. To elucidate which emissions contributed to these disbenefits, we applied adjoint-based sensitivity analysis, which efficiently estimates sensitivities of concentration-based metrics with respect to numerous emissions parameters simultaneously. The adjoint of CMAQ was applied to the continental U.S. to calculate the influence of spatially-resolved ozone precursor emissions on the annual average, domain-wide daily maximum 8-hour average over the TMREL (elevated MDA8), premature mortality attributable to exposure to ozone above the TMREL, and PPLs. These quantities provide the impact in terms of the percent reduction in precursor emissions. Additionally, locations where similar percent reductions in ozone precursor emissions would impact one or more endpoints greater than average have been identified. NOx emissions were found to contribute most to the three metrics. The distinct spatial patterns of emissions influences on public welfare disbenefits as compared to the elevated MDA8 and premature mortality suggest that the current regulatory averaging time motivates different emissions control strategies than those that could most directly protect public welfare.Recently, oil and natural gas (O&NG) production activities in the Denver-Julesburg Basin have expanded rapidly. Associated nonmethane hydrocarbon (NMHC) emissions contribute to photochemical formation of ground-level ozone and include benzene as well as other hazardous air pollutants. Using positive matrix factorization (PMF) and chemical mass balance (CMB) methods, we estimate how much O&NG activities and other sources contribute to morning NMHC mixing ratios measured from 2013 to mid-2016 at a site in Platteville, CO, in the Denver-Julesburg Basin, and at a contrasting site in downtown Denver. A novel adjoint sensitivity analysis method is then used to estimate corresponding contributions to ozone and ozone-linked mortality in the Denver region. Average 6 - 9 am NMHC mixing ratios in Platteville were seven times higher than those in Denver in 2013 but four times higher in 2016. CMB estimates that O&NG activities contributed to the Platteville (Denver) site an average of 96% (56%) of NMHC on a carbon basis while PMF indicated 92% (33%). Average vehicle-related contributions of NMHC are estimated as 41% by CMB and 53% by PMF in Denver. Estimates of the fractional contribution to potential ozone and ozone-linked mortality from O&NG activities are smaller while those from vehicles are larger than the NMHC contributions. CMB (PMF) indicate that greater than 78% (40%) of annual average benzene in Denver is attributable to vehicle emissions while greater than 75% (67%) of benzene in Platteville is attributable to O&NG activities.The Community Multiscale Air Quality (CMAQ) model calculates the impact of emissions on atmospheric composition, including inorganic aerosols, while considering the transport and reactions of chemical constituents. Adjusting emissions by comparing modeled concentrations with observations is justified when the science processes are well understood as is the case for inorganic species such as ammonia (NH3). The Finite Difference Mass Balance (FDMB) method and four-dimensional variational (4D-Var) data assimilation leverage differences in simulated and actual observations to revise estimates of emissions with spatial specificity. In this study, we evaluate the capability of a CMAQ-based data assimilation system to improve NH3 emissions, which are relatively uncertain given the diversity of emissions processes in the agricultural sector. To do so, the iterative FDMB and a Python-based four-dimensional variational framework (Py4Dvar) are integrated with CMAQ and its adjoint to constrain NH3 emissions with observations from the satellite-based Cross-track Infrared Sounder (CrIS). Observing System Simulation Experiments (OSSEs) are conducted with the CrIS observation operator to evaluate the extent to which emissions are expected to be recovered with the hybrid assimilation framework. The OSSEs conducted with the 2007 modeling platform and 2016 CrIS data on a regional domain in Georgia and the OSSEs conducted with the 2017 modeling platform and 2017 CrIS data on the continental U.S. domain result in promising recovery of the true emissions.
Book Synopsis Long-Term Climate Monitoring by the Global Climate Observing System by : Thomas R. Karl
Download or read book Long-Term Climate Monitoring by the Global Climate Observing System written by Thomas R. Karl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Is the climate warming? Is the hydrological cycle intensifying? Is the climate becoming more variable or extreme? Is the chemical composition of the atmosphere changing? Is the solar irradiance constant? Answers to these questions are fundamental to understanding, predicting, and assessing climate on time scales ranging from weeks to a century. Atmospheric, oceanic, and environmental scientists have primarily relied on an ad-hoc collection of disparate environmental observational and data management systems to address these problems. But these systems were not designed to measure climate variations and, as a result, changes and variations of the earth system during the instrumental climate record is far from unequivocal. This book develops a framework from which a Global Climate Observing System, currently being discussed in international forums, can be implemented to monitor changes and variations of climate. Audience: Administrators, policy makers, professionals, graduate students, and others interested in learning how we can ensure a long-term climate record for application to national economic development and understanding ecosystem dynamics.
Book Synopsis SCIAMACHY - Exploring the Changing Earth’s Atmosphere by : Manfred Gottwald
Download or read book SCIAMACHY - Exploring the Changing Earth’s Atmosphere written by Manfred Gottwald and published by Springer Science & Business Media. This book was released on 2010-12-08 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: SCIAMACHY, the SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY, is a passive sensor for exploring the Earth’s atmosphere. It is part of the payload of the European Earth Observation mission ENVISAT, launched on 1 March 2002. SCIAMACHY observes absorption spectra of molecules from the UV (214 nm) to the short-wave infrared wavelength range (2386 nm) and derives the atmospheric composition – trace gases, aerosols, clouds – from these measurements. Having meanwhile successfully monitored and explored the Earth’s atmosphere for more than 8 years, new and exciting insights into the Earth-atmosphere system are obtained. The provided global data sets do not only cover greenhouse gases and pollutants in the troposphere or the ozone chemistry in the stratosphere but even reach up to the mesosphere and lower thermosphere. They contribute significantly to atmospheric physics and chemistry as well as climate change research. SCIAMACHY is one of the major current Earth Observation undertakings of Germany, The Netherlands and Belgium, accomplished in cooperation with the European Space Agency (ESA). Many scientific groups at various institutes in Europe and abroad were and are actively involved in the analysis of the data. This book is a comprehensive summary describing the entire SCIAMACHY mission – from the very first ideas to the current results. It illustrates how the measurements are performed, how the trace gas concentrations are derived from the measured spectra and how the unique data sets are used to improve our understanding of the changing Earth’s atmosphere. The targeted readership is not only the existing and potentially new SCIAMACHY data users from undergraduate student level up to researchers new in the fields of atmospheric chemistry and remote sensing, but anyone who is keen to learn about SCIAMACHY’s efforts to study the atmosphere and its responses to both, natural phenomena and anthropogenic effects.
Book Synopsis Introduction to Atmospheric Chemistry by : Daniel J. Jacob
Download or read book Introduction to Atmospheric Chemistry written by Daniel J. Jacob and published by Princeton University Press. This book was released on 1999 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric chemistry is one of the fastest growing fields in the earth sciences. Until now, however, there has been no book designed to help students capture the essence of the subject in a brief course of study. Daniel Jacob, a leading researcher and teacher in the field, addresses that problem by presenting the first textbook on atmospheric chemistry for a one-semester course. Based on the approach he developed in his class at Harvard, Jacob introduces students in clear and concise chapters to the fundamentals as well as the latest ideas and findings in the field. Jacob's aim is to show students how to use basic principles of physics and chemistry to describe a complex system such as the atmosphere. He also seeks to give students an overview of the current state of research and the work that led to this point. Jacob begins with atmospheric structure, design of simple models, atmospheric transport, and the continuity equation, and continues with geochemical cycles, the greenhouse effect, aerosols, stratospheric ozone, the oxidizing power of the atmosphere, smog, and acid rain. Each chapter concludes with a problem set based on recent scientific literature. This is a novel approach to problem-set writing, and one that successfully introduces students to the prevailing issues. This is a major contribution to a growing area of study and will be welcomed enthusiastically by students and teachers alike.
Download or read book The Atmosphere written by Paul I. Palmer and published by Oxford University Press. This book was released on 2017 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Very Short introduction, Paul Palmer looks at the structure and basic physics and chemistry of the Earth's atmosphere, comparing it to the atmospheres of other planets, particularly our neighbors, Venus and Mars. Palmer looks at the effects of pollutants and climate change, and what may happen to our atmosphere in the future
