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5 edition of Tropospheric ozone research found in the catalog.

Tropospheric ozone research

tropospheric ozone in the regional and sub-regional context

by

  • 42 Want to read
  • 26 Currently reading

Published by Springer in Berlin, New York .
Written in English

    Subjects:
  • Atmospheric ozone,
  • Troposphere

  • Edition Notes

    StatementØystein Hov, editor ; TOR Steering Group, Dieter Kley (coordinator) ... [et al.].
    SeriesTransport and chemical transformation of pollutants in the troposphere ;, v. 6
    ContributionsHov, Ø.
    Classifications
    LC ClassificationsQC879.7 .T76 1997
    The Physical Object
    Paginationxxiv, 499 p. :
    Number of Pages499
    ID Numbers
    Open LibraryOL681141M
    ISBN 103540633596
    LC Control Number97027733

    We use observations from the International Consortium for Atmospheric Research on Transport and Transformation (ICARTT) campaign over eastern North America in summer , interpreted with a global 3-D model of tropospheric chemistry (GEOSChem), to improve and update estimates of North American influence on pheric ozone and the effect of recent .


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Tropospheric ozone research Download PDF EPUB FB2

Tropospheric Ozone Research: Tropospheric Ozone in the Regional and Sub-regional Context (Transport and Chemical Transformation of Pollutants in the Troposphere Book 6) - Kindle edition by Hov, 0ystein.

Download it once and read it on your Kindle device, PC, phones or tablets. The present volume reviews several of the currently important questions and presents detailed reports from investigators all over the continent. As such, it provides insight into the current scientific views about ozone in Europe.

This is Volume 6 of the series on the Transport and Chemical Transformation of Pollutants in the Troposphere. In this book, the authors describe the features and the application of a methodology and a model system to identify effective and efficient strategies to reduce ambient concentrations of tropospheric ozone to comply with thresholds set up to protect human health, agricultural crops and ecosystems.

Ozone (/ ˈ oʊ z oʊ n /), or trioxygen, is an inorganic molecule with the chemical formula O is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O 2, breaking down in the lower atmosphere to O 2 ().Ozone is formed from dioxygen by the action of ultraviolet (UV) light and electrical discharges within the Chemical formula: O₃.

1. Introduction. Understanding the behavior of ozone in the urban boundary layer is necessary to develop effective air pollution control strategies in cities throughout the world (e.g. WHO,Royal Society,EPA, ).Tropospheric ozone is an important secondary air pollutant formed from primary emissions (natural and anthropogenic) of volatile organic Cited by: 3.

The research used the hourly values of automatic measurements of the tropospheric ozone immis- sion in the years – The data originated.

Sonal Kumari, Nidhi Verma, Anita Lakhani, Suresh Tiwari, Maharaj Kumari Kandikonda, Tropospheric ozone enhancement during post-harvest crop-residue fires at two downwind sites of the Indo-Gangetic Plain, Environmental Science and Pollution Research, /sy, ().

Tropospheric ozone (TO) is a pervasive secondary air pollutant, which has a lifespan of twenty-three days (Young et al., ). Its effect ranges from local to global, disregarding geographical and political boundaries (Finneran, ).

Tropospheric ozone is a short-lived climate pollutant with an atmospheric lifetime of hours to weeks. It does not have any direct emissions sources, rather it is a secondary gas formed by the interaction of sunlight with hydrocarbons – including methane – and nitrogen oxides, which are emitted by vehicles, fossil fuel power plants, and other man-made sources.

Tropospheric ozone develops during photochemical reactions between nitrogen oxides and volatile organic compounds. Acid deposition can affect soil and water acidity (Driscoll and others ), and ozone can cause foliar injury (Chappelka and SamuelsonCleveland and GraedelLefohn and Pinkerton ).

A coherent and focused national research program with a long-term perspective is needed to provide government agencies with a better understanding of tropospheric ozone formation, transport, and accumulation. Progress toward reducing ozone concentrations in the United States has been severely hampered by the lack of such a program.

An improved understanding of the global tropospheric ozone budget has recently become of great interest, both in Canada and elsewhere.

this remains an area of very active research. Since ozone. Ground level or tropospheric ozone is created by chemical reactions between oxides of nitrogen (NOx gases) and volatile organic compounds (VOCs). The combination of these chemicals in the presence of sunlight form ozone.

Its concentration increases as height above sea level increases, with a maximum concentration at the tropopause. With a wealth of technical information, the book discusses atmospheric chemistry, the role of oxides of nitrogen (NOx) and volatile organic compounds (VOCs) in ozone formation, monitoring and modeling the formation and transport processes, and the potential contribution of alternative fuels to solving the tropospheric ozone problem.

Tropospheric ozone and related processes. In Scientific assessment of ozone depletion: World Meteorological Organization. Global ozone research and monitoring project, report no. A full understanding of recent changes to the tropospheric ozone burden requires detailed analysis of the tropospheric ozone budget, including quantification of the chemical production and loss fluxes, stratosphere‐troposphere exchange (STE), and the deposition of ozone at the surface.

A key component of the Tropospheric Ozone Assessment Report (TOAR) is the consistent calculation of these metrics at thousands of monitoring sites globally. Investigating temporal trends in these metrics required that the same statistical methods be applied across these ozone monitoring sites.

We review how climate change could affect future concentrations of tropospheric ozone and particulate matter (PM), and what changing concentrations could mean for population health. DATA SOURCES: We review studies projecting the impacts of climate change on air quality and studies projecting the impacts of these changes on morbidity and mortality.

The above data files contain 2-D gridded global tropospheric ozone residual (TOR) data in Dobson Units derived from Version 7 EP-TOMS and collocated SBUV measurements. The monthly files contain 12 arrays (Jan-Dec), while the seasonal files contain 4 arrays (DFJ, MAM, JJA, SON).

The monthly time elements arewhile the seasonal are Dr. Supriya Tiwari is an Assistant Professor in the Department of Botany at Banaras Hindu University, India. Her research focuses on the formation of ozone and its effects on plant productivity in India. Her evaluations of ozone crop injury and ozone induced yield reductions have made a significant contribution in the planning of sustainable agriculture strategies, cultivation of ozone.

RESEARCH NEEDS. °oo TROPOSPHERIC CHEMISTRY INTRODUCTION Recent concerns about changes in atmospheric ozone focus not only on the total column of ozone, The sources of tropospheric ozone are transport from the stratosphere across the tropopause, and in situ photochemical production.

Ozone is removed from the troposphere by. Nearly major cities in the United States are periodically exposed to concentrations of ozone that exceed health-based air-quality standards. According to the U.S. EPA, million people lived in areas designated "non-attainment" for ozone in EPA/Airtrends; Formation of tropospheric ozone.

chemistry of ozone formation (Ozone cycle). Ozone can be “good” or “bad” for health and the environment depending on where it’s found in the atmosphere. Stratospheric ozone is “good” because it protects living things from ultraviolet radiation from the sun.

Ground-level ozone, the topic of this website, is “bad” because it can trigger a variety of health problems, particularly for children, the elderly, and people of. Abstract The working group on tropospheric ozone of the Health Effects Institute has evaluated the need for epidemiologic studies on the health effects of ozone (O3) exposure.

This paper summarizes current data and identifies possible research questions. Tropospheric ozone (O 3) is a pollutant of increasing concern in many urban areas in the United is an increasing need to understand the geographical and meteorological properties associated with O 3, particularly because of the changing criteria that are being implemented by the U.S.

Environmental Protection Agency to monitor O research examines the. Tropospheric Ozone Pollution. Ozone is formed in the troposphere when sunlight causes complex photochemical reactions involving oxides of nitrogen (NOx), volatile organic hydrocarbons (VOC) and carbon monoxide that originate chiefly from gasoline engines and burning of other fossil fuels.

Woody vegetation is another major source of VOCs. Tropospheric ozone Ozone (O3) is a key constituent of the troposphere. Photochemical and chemical reactions involving it drive many of the chemical processes that occur in the atmosphere by day. Analysts1 a the observed tropospheric ozone distribution has revealed that concentrations in the Northern Hemisphere were heger titan in the Southern Hemisphere.

This finding and the earlier. Tracking Tropospheric Ozone Since Stratospheric ozone depletion between and resulted in a slight decrease of ozone in the troposphere during that period despite increased ozone.

GRIDDED TROPICAL DATA: Data for the above tropospheric column ozone images can be obtained at this website. The data (see DATA DOCUMENTATION) represent monthly-means with a resolution of 5 degrees latitude by 5 degrees longitude and are printed in ASCII format for both TROPOSPHERIC and STRATOSPHERIC column measurements.

Stratospheric column ozone. Ozone depletion events (ODEs) in the springtime of the Arctic have been frequently observed since the early s, and the correlation between the ozone mixing ratio during the ODEs and the nitrogen oxides (NOx) concentration is still unclear. In the present study, the role of the background level of NOx in ODEs was investigated by using a box model implementing a.

Research in the late s successfully led to the determination of the climatology of tropospheric ozone as a function of season; more recently, the methodology has improved to the extent where regional air pollution episodes can be characterized.

The most recent modifications now provide quasi-global (50 N) to 50 S) maps on a daily basis. Stratospheric ozone, tropospheric ozone, and the case for continuing ozone research NASA’s Earth Science Research and Analysis program (R&A) collects and analyzes ozone data from Earth-observing satellites, airborne campaigns and surface-based instruments to advance our understanding of stratospheric and tropospheric ozone.

National Research Council. Review of the NARSTO Draft Report: An Assessment of Tropospheric Ozone Pollution--A North American Perspective. Washington, DC: The National Academies Press. doi: / ×. Book Description. Tropospheric ozone has long been recognized as a major environmental concern.

Levels of ozone concentration have grown dramatically and the effects of ozone exposure have been examined in virtually thousands of studies worldwide. This timely new reference presents the state of the art in ozone regulation, human health effects.

Tropospheric ozone research: tropospheric ozone in the regional and sub-regional context. [Ø Hov;] Home. WorldCat Home About WorldCat Help. Search. Search Book, Internet Resource: All Authors / Contributors: Ø Hov.

Find more information about: ISBN: OCLC Number: Data are archived at the NOAA National Climatic Data Center (NCDC), but are produced and available from NOAA Earth System Research Laboratory (ESRL). Dataset Citation Cite as: McClure-Begley, A., Petropavlovskikh, I., Oltmans, S., () NOAA Global Monitoring Surface Ozone Network.

Join us for the TOAR-II Quickstart Event, Septem The second phase of the Tropospheric Ozone Assessment Report (TOAR-II) is beginning with an open call to the research community to build the assessment and coordinate new studies on ozone’s global distribution and trends, as well as impacts on human health, vegetation and climate.

Tropospheric ozone is produced via the photochemical reaction of volatile organic compounds, carbon monoxide, and nitrogen oxides in the presence of sunlight.

Over the past 20 years, serious ozone. Ozone absorbs harmful UV rays at high elevations but acts as a pollutant gas in the lower atmosphere. It is necessary to monitor both the vertical profile and the total column ozone. In this study, variations in the ozone concentration of Pohang were divided into three vertical layers: the stratospheric layer (STL), the second ozone peak layer (SOPL), and the tropospheric layer.

A signing ceremony for thecharter of the North American Research Strategy for Tropospheric Ozone(NARSTO) was held at the White House in February of that year. The establishmentof NARSTO is a direct response to the identification by the National ResearchCouncil (NRC) of the need for a better fundamental understanding of urbanand regional ozone.Evaluation of the Danish ACDEP model to simulate formation of tropospheric ozone, other photochemical oxidants and atmospheric reaction products.

In The oxidizing capacity of the troposphere. Programme and abstracts European Commission.The Ozone Garden helps to educate people about ozone in our atmosphere. NASA's vision is to improve life here, to extend life to there, and to find life beyond. Ozone research contributes to the NASA vision by using satellite missions, such as .