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3 edition of Studies of dynamical processes affecting the distribution of stratospheric ozone found in the catalog.

Studies of dynamical processes affecting the distribution of stratospheric ozone

Kenneth P. Bowman

Studies of dynamical processes affecting the distribution of stratospheric ozone

final report

by Kenneth P. Bowman

  • 48 Want to read
  • 14 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Ozone layer.

  • Edition Notes

    Statementpi, Kenneth P. Bowman.
    Series[NASA contractor report] -- NASA CR-193477., NASA contractor report -- NASA CR-193477.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14703700M

    stratospheric ozone abundance and ozone depletion, and our current understanding of how climate change might affect this. Section 2 reviews the basic dynamical processes relevant to ozone abundance and ozone depletion, building on the discussion in Fioletov (). Section 3 applies these concepts to understanding the observed record of ozone. Changes in stratospheric ozone levels can affect human health and ecosystem as well as the chemistry of the troposphere. In Chapter 5, we have seen that the atmospheric ozone can be destroyed by a.

    Final report, July 1, J }, author = {Brasseur, G and Erickson, D and Tie, X and Walter, S}, abstractNote = {The objective of this research is to use global chemical-transport models to study the chemical and dynamical processes that affect midlatitude stratospheric ozone and to quantify the budget of tropospheric ozone. Four. lar stratospheric cloud formation is favoured by cold sequence,higherO3 lossesare observed in the lower polar stratosphere in such conditions (Kuttippurath et al., ). Stratospheric ozone is also affected by natural chemical processes. In the middle and upper stratosphere, O3 chem-.

    The BDC affects the distribution and abundance of stratospheric ozone directly by transporting ozone from the tropics to polar regions, and indirectly through its effect on ozone chemistry via. Dynamical aspects of stratospheric transport and stratosphere-troposphere exchange. The tropopause is shown by the thick line. Our quantitative understanding of the chemical and dynamical processes that control ozone distribution has been greatly improved by AESA-sponsored field campaigns. In (see Prather et al., ), AESA worked out.


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Studies of dynamical processes affecting the distribution of stratospheric ozone by Kenneth P. Bowman Download PDF EPUB FB2

Studies of dynamical processes affecting the distribution of stratospheric ozone Bowman, Kenneth P. Abstract.

The purpose of the research was to understand large-scale tracer transport processes in the stratosphere. Two approaches were taken. The first is analysis of tracer observations, especially satellite observations of ozone concentration Author: Kenneth P.

Bowman. Get this from a library. Studies of dynamical processes affecting the distribution of stratospheric ozone: final report. [Kenneth P Bowman; United States. National Aeronautics and Space Administration.]. Studies of Dynamical Processes Affecting the Distribution of Stratospheric Ozone PI Name: Kenneth P.

Bowman PI Institution: University of Illinois PI Address: Dept. of Atmospheric Sciences S. Gregory Ave. Urbana, IL /?/. rjT-/N -w/qq_08 Award Number: NASA NAGW Report for Period: January 1, -J Date of Report. Studies of dynamical processes affecting the distribution of stratospheric ozone.

By Kenneth P. Bowman. Abstract. The purpose of the research was to understand large-scale tracer transport processes in the stratosphere. Two approaches were taken. The first is analysis of tracer observations, especially satellite observations of ozone Author: Kenneth P.

Bowman. History. In Dutch chemist Paul Crutzen published a paper that described the major nitrogen oxide catalytic cycle affecting ozone levels. Crutzen demonstrated that nitrogen oxides can react with free oxygen atoms, thus slowing the creation of ozone (O 3), and can also decompose ozone into nitrogen dioxide (NO 2) and oxygen gas (O 2).Some scientists and environmentalists in the s used.

In all simulations, background total stratospheric chlorine and bromine values are ppbv and ppt, respectively, originating from constant surface emissions of CH 3. Stratospheric variability plays an important role in driving the weather and climate of the Earth system.

The extent to which various forcing factors explain this variability and the involved mechanisms are not fully understood. This thesis investigates processes controlling the variability of the stratosphere and the implication of this variability on ozone and on circulations in the.

It seems to be universally recognized that stratospheric ozone distribution and tropospheric dynamical formations are interconnected and both affect each other in manifold processes of stratosphere-troposphere interactions.

In particular, numerous observational studies suggest a clear relation between the total ozone column (TOC) field and the distribution of air-masses in both the.

Furthermore, ozone is affecting the stratosphere through impact on dynamical chemical processes ([11,12,13]), and thereby on tropospheric gaseous distribution through modification of solar input ().

Enhanced oxidation is due to higher temperatures in synoptic high pressure systems with more sunlight favoring ozone production [ 15 ]. Dynamics, stratospheric ozone, and climate change. Atmosphere-Ocean: Vol.

46, No. 1, pp. ABSTRACT Dynamics affects the distribution and abundance of stratospheric ozone directly through transport of ozone itself and indirectly through its effect on ozone chemistry via temperature and transport of other chemical species.

Dynamical processes must be considered in order to understand past ozone changes, especially in the. Control of the Mean Distribution and Variability of Stratospheric Water Vapor.

It is one of the fascinations of the study of stratospheric humidity that, while this extreme aridity and the overall mechanisms causing it have been known for more than half a century, the detailed understanding of precisely how this state is maintained remains elusive.

In this study, we aim to investigate mechanisms of solar influence on stratospheric temperatures. We use a simple “fixed dynamical heating” (FDH) model with a relatively sophisticated radiation code and explore the response to irradiance changes and ozone changes by separately imposing the estimated changes and then combining them to get an estimate of the total temperature.

The analysis showed that except near the poles, ozone is in photochemical equilibrium above 35 km. In the lower stratosphere, equatorward of 50°, concentration of ozone is neither photochemically controlled nor transport controlled, but is set by a balance between transport and chemical processes.

For the period before stratospheric ozone depletion, there is a large spread in the modeled total ozone column with ~60 Dobson Units (DU). Stratospheric Ozone Formation There are important issues affecting human and ecological health for both good ozone and bad ozone.

For good ozone, the most important issues are the reduction of ozone globally, the Antarctic Ozone Hole, and Arctic ozone loss that is caused by chlorofluorocarbons.

ANSWER: The ozone distribution is due. Stratospheric ozone plays a vital role in restricting the ultraviolet radiation that reaches the surface of the Earth, as well as in controlling the atmospheric temperature distribution.

The study of seasonal, chemical, and dynamical sources of variation in ozone levels is thus an important component of climate research [Wor95]. Ozone and methane are chemically active climate-forcing agents affected by climate–chemistry interactions in the atmosphere.

Key chemical reactions and processes affecting ozone and methane are presented. It is shown that climate-chemistry interactions have a significant impact on the two compounds. Ozone, which is a secondary compound in the atmosphere, produced and broken down.

The impact of stratospheric ozone recovery on the Southern Hemisphere westerly jet. SW Son, LM Polvani, DW Waugh, H Akiyoshi, R Garcia – Science, – issue, we examine the predictions of the CCMVal activity of the “stratospheric processes and.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): ABSTRACT Dynamics affects the distribution and abundance of stratospheric ozone directly through transport of ozone itself and indirectly through its effect on ozone chemistry via temperature and transport of other chemical species.

Dynamical processes must be considered in order to understand past ozone changes. Recent studies demonstrate that the Antarctic Ozone Hole has important influences on Antarctic sea ice. While most of these works have focused on effects associated with atmospheric and oceanic dynamic processes caused by stratospheric ozone changes, here we show that stratospheric ozone-induced cloud radiative effects also play important roles in causing changes in Antarctic sea ice.Chemistry and transport interact to determine the abundance and distribution of stratospheric water vapor and ozone – key trace constituents that influence the radiative and dynamical processes in the stratosphere.

Stratospheric ozone is of particular importance as it absorbs harmful ultraviolet radiation before it reaches the Earth’s surface.Stratospheric ozone is of particular importance as it absorbs harmful ultraviolet radiation before it reaches the Earth’s surface.

The stratosphere and troposphere are a coupled system, so any changes in dynamical, chemical, and radiative processes in the stratosphere can influence tropospheric composition and climate.