3 edition of The global consequences of increasing tropospheric ozone concentrations found in the catalog.
The global consequences of increasing tropospheric ozone concentrations
by Atmospheric Sciences Division, NASA Langley Research Center in Hampton, Va
Written in English
|Series||NASA-TM -- 103477., NASA technical memorandum -- 103477.|
|Contributions||Langley Research Center. Atmospheric Sciences Division.|
|The Physical Object|
|Pagination||1 v. (unpaged)|
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. PP63CHAinsworth ARI 27 March The Effects of Tropospheric Ozone on Net Primary Productivity and Implications for Climate Change∗ Elizabeth A. Ainsworth, 1,2 Craig R. Yendrek, Stephen Sitch,3 William J. Collins,4 and Lisa D. Emberson5 1Global Change and Photosynthesis Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Urbana, Illinois ; email: lisa.
Book of abstracts MOZAIC -IAGOS Scientific symp osium on atmospheric composition observation by commercial aircraft – Summertime tropospheric ozone assessment over the Mediterranean region using the thermal global databases .. 8 Hiroshi Tanimoto .. 8 - Role of dynamics and biomass burning on CO and O3 over Asia: MOZAIC. This book presents the ozone concentration data for a variety of geographical regions, examines the factors responsible for its increasing concentrations and its potential effects on physiological and biochemical responses culminating in crop productivity losses which, in turn may pose a serious threat to global food security.
CHAPTER OZONE AIR POLLUTION. Increasing hydrocarbon concentrations causes OH to decrease due to, therefore increasing the lifetime of NOx and allowing more O3 production per molecule of NOx emitted. This NOx makes therefore relatively little contribution to global tropospheric O3. Provide the research community with an up‐to‐date global assessment of tropospheric ozone’s distribution and trends from the surface to the tropopause. Facilitate access to the ozone metrics necessary for quantifying ozone’s impact on human health and crop/ecosystem productivity Fostering Global Cooperation on Ozone Research Stakeholders.
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Chemosphere, Voi, No.7, pp/91 $ + Printed in Great Britain Pergamon Press plc THE GLOBAL CONSEQUENCES OF INCREASING TROPOSPHERIC OZONE CONCENTRATIONS Jack Fishman Atmospheric Sciences Division (Mail Stop A) NASA Langley Research Center Hampton, Virginia Abstract Recent analyses of long-term records of Cited by: Get this from a library.
The global consequences of increasing tropospheric ozone concentrations. [Jack Fishman; Langley Research Center. Atmospheric Sciences Division.].
Page 13 Tropospheric Ozone and Global Change Introduction. This chapter addresses the scientific evidence that relates global change 1 in atmospheric gases and climate to tropospheric ozone.
Such a consideration of global changes is important because they are likely to continue and might hamper local efforts to meet the ozone National Ambient Air Quality Standards (NAAQS). If you were to take all the ozone in a column of air stretching from the surface of the earth to space, and bring all that ozone to standard temperature (0 Celsius) and pressure ( millibars, or one atmosphere, or "atm"), the column would be about centimeters thick.
Ozone (O 3) is a trace gas of the troposphere, with an average concentration of 20–30 parts per billion by volume (ppbv), with close to ppbv in polluted areas. Ozone is also an important constituent of the stratosphere, where the ozone layer exists which is located between 10 and 50 kilometers about the earths surface.
The troposphere is the lowest layer of the Earth's atmosphere. Abstract. The influence of temperature on tropospheric ozone (O 3) concentrations in urban and photochemically polluted areas in the greater Athens region are investigated in the present values of the ambient air temperature used for studying the urban heat island effect in Athens were recorded at twenty-three experimental stations while ozone concentration values were Cited by: Ozone in the lower atmosphere (troposphere) is toxic to human beings and to many other living things that breathe it.
After combining satellite observations with data-rich models that simulate the atmosphere’s chemistry and dynamics, scientists are finding tropospheric ozone in some unexpected places. Tropospheric ozone turns out to be an intercontinental traveler, crossing geographic and Author: Jeannie Allen.
The results suggest that increasing concentrations of CO 2 increased tropospheric ozone and PMwhich increased mortality by about % per degree temperature increase over the baseline rate. Jacobson () estimated that about 40% of the increase was attributable to Cited by: 1. Introduction.
Tropospheric ozone is a pollutant that is detrimental to human health and crop and ecosystem productivity (REVIHAAP, ; US EPA, ; Monks et al., ; CLRTAP, ).Data from widespread observational networks, operational since the s, provide hourly average ozone data from thousands of surface monitoring sites across the globe, and vertical information is available Cited by: Transport of ozone from the stratosphere to the troposphere causes stratospheric ozone to decrease and tropospheric ozone to increase, which can in turn have serious consequences for life on earth.
Learn Tropospheric ozone with free interactive flashcards. Choose from 35 different sets of Tropospheric ozone flashcards on Quizlet. The Distribution of Total Ozone Stratospheric Ozone and Tropospheric Ozone at Low Latitudes Deduced from Satellite Data Sets.
Proc. Workshop on Tropospheric Ozone and Quadrennial Ozone Symposium, P. Fabian and R. Bojkov, editors, Deepak Publ., Hampton, Va,pp. Exploitation of these global metadata allows for new insights into the global distribution, and seasonal and long-term changes of tropospheric ozone and they enable TOAR to perform the first, globally consistent analysis of present-day ozone concentrations and recent ozone changes with relevance to health, agriculture, and by: Our estimates of global ethane concentrations and emissions indicate a significant decrease in fugitive fossil fuel methane emissions of at least 10–21 Tg yr.
The study hypothesize that tropospheric ozone layer (NOx), stratospheric ozone layer (N 2 O), SO 2, CO 2, and GHG emissions badly affected the biological diversity, while growth factors, including economic growth and trade openness may have either a positive and/or negative impact on biological diversity in the panel of selected by: AB 4 Action Levels in Tropospheric Ozone Management • Baseline Monitoring and Data Gathering Level (annual/area basis) - best AQ; continue monitoring of ambient AQ levels • Surveillance Action Level (baselineppbv): take appropriate steps to ensure sources of eleveated concentrations are determing.
In this paper, an overview is given of the chemical processes that lead to ozone formation and destruction in the troposphere, emphasizing human impact on the global scale.
In the northern hemisphere, anthropogenic emissions of NO x clearly lead to high ozone concentrations during photochemical pollution episodes. However, also in the Cited by: Role of climate change in global predictions of future tropospheric ozone and aerosols Hong Liao,1 Wei-Ting Chen,1 and John H.
Seinfeld1,2 Received 4 November ; revised 1 February ; accepted 1 March ; published 17 June  A unified tropospheric chemistry-aerosol model within the Goddard Institute for. Effects on Global Agriculture: A New Insight CH04 07/25/ Page 75 21 – 38% by over the northern hemisphere, relative toand by 50% on the.
Introduction  Tropospheric concentrations of ozone and aerosols have increased considerably from preindustrial times as a result of anthropogenic emissions [e.g., Volz and Kley, ; Staehelin et al., ].Ozone and aerosols influence climate through their radiative forcings [e.g., Ramaswamy et al., ] and are also major air pollutants affecting human health and vegetation [e.g.
Page 2 Trends in Tropospheric Concentrations of Ozone Introduction. Various levels of government monitor the concentration of ozone in the ambient air (the troposphere) to document the severity of the ozone problem and to measure progress in reducing ozone concentrations.Global Challenge Network on Tropospheric Ozone Ecosystem effects of ozone ICP VEGETATION Examples of ozone-induced leaf damage on trees and grassland background ozone concentrations with lower peaks.
Therefore, there is a need to Considering that ozone is File Size: 1MB. Much of the present tropospheric ozone burden is a consequence of anthropogenic emissions of ozone precursors3 resulting in widespread increases in .