Possible effect of halocarbons on ozone in the stratosphere.
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Possible effect of halocarbons on ozone in the stratosphere.

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Published by University of Birmingham in Birmingham .
Written in English


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Thesis (Ph.D.) - University of Birmingham, Dept. of Chemistry.

ID Numbers
Open LibraryOL20230939M

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Possible effect of halocarbons on ozone in the stratosphere. Author: Hampton, J. ISNI: Awarding Body: University of Birmingham Current Institution: University of Birmingham Date of Award: Availability of Full Text: Access from EThOS. Possible effect of halocarbons on ozone in the stratosphere. Author: Hampton, J. ISNI: Awarding Body: University of Birmingham Current Institution: University of Birmingham Date of Award: Availability of Full Text: Full text unavailable from EThOS. Chlorine-and bromine-containing halocarbons lead to ozone depletion when the halocarbon molecules are broken down in the stratosphere and chlorine or . For those halocarbons that contain chlorine and bromine, indirect effects on temperature via ozone layer depletion represent another way in which these gases affect climate. Further, halocarbons.

creases in tropical lower stratosphere ozone. The specific effects of climate and halocarbons changes on various quantities (zonal-mean ozone and temperature, tropo-pause pressure, and total ozone column) are discussed in sections 4, 5, and 6. Finally, conclusions are drawn in section 7. 2. Model description and simulation setup. For those halocarbons that contain chlorine and bromine, indirect effects on temperature via ozone layer depletion represent another way in which these gases affect climate. Further, halocarbons can also affect the temperature in the stratosphere. Ozone Depletion Potentials (ODPs) have been defined and calculated in order to allow estimates of the relative effects of halocarbons on stratospheric ozone. Models using representations of homogeneous at-mospherics chemical processes have estimated relative effects on global ozone.   In the tropical lower stratosphere (LS), the halocarbon-induced temperature trends are weakly negative, in spite of the fact that the direct LW heating from halocarbons is positive. This indicates that estimates of the direct radiative effect from halocarbons (e.g., Forster and Joshi ) are missing very important feedbacks.

A PDF is a digital representation of the print book, so while it can be loaded into most e-reader programs, it doesn't allow for resizable text or advanced, interactive functionality. The eBook is optimized for e-reader devices and apps, which means that it offers a much better digital reading experience than a PDF, including resizable text and. We find that the indirect effect of stratospheric ozone depletion could have offset up to approximately half of the predicted past increases in surface temperature that . The possible depletion of the stratospheric ozone layer could have significant biological and agricultural impacts because of the sensitivity of living organisms to the increased ultraviolet irradiation that would accompany a decrease in the stratospheric ozone shield. The LLNL one dimensional transport kinetics model of the troposphere and stratosphere was used to examine the relative. The ozone layer protects life on Earth from harmful solar ultraviolet (UV) radiation. In the late 20th century, human emissions of chemical substances called halocarbons adversely affected the amount of ozone molecules in the atmosphere, most notably resulting in the dramatic annual ozone hole over the Antarctic region.