Ozone and other issues in global atmospheric chemistry
- Lawrence Livermore National Lab., CA (USA). Atospheric and Geophysical Sciences Div.
Atmospheric chemistry will likely play an important role in determining the future state of climate, and the rate of climate change. Many of the same gases of direct importance to climate changes as greenhouse gases, such as CO/sub 2/, CH/sub 4/ and several CFCs, also can have indirect effects on climate through their chemical interactions with other important atmospheric constituents. For example, within the troposphere, emissions of CH/sub 4/, CO, and NO/sub x/ may affect concentrations of ozone, itself a radiatively important gas, and hydroxyl, OH, which, while not radiatively important, has an important impact on atmospheric chemistry as a scavenger of other gases. In the stratosphere, dissociation of the CFCs, CH/sub 4/, and N/sub 2/O, can lead to significant changes in the ozone distribution. The two-dimensional chemical-radiative-transport model of the troposphere and stratosphere developed at Lawrence Livermore National Laboratory (LLNL) provides a useful tool to study the past effects and potential future changes that such emissions may have on the atmosphere. Using this model the authors describe some of the key current issues in global atmospheric chemistry that relate to climatic change.
- OSTI ID:
- 5484128
- Report Number(s):
- CONF-881143--
- Country of Publication:
- United States
- Language:
- English
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54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
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ALKANES
ATMOSPHERIC CHEMISTRY
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CHEMISTRY
CLIMATE MODELS
CLIMATES
EARTH ATMOSPHERE
FLUORINE COMPOUNDS
FORECASTING
GLOBAL ASPECTS
GREENHOUSE EFFECT
HALOGEN COMPOUNDS
HYDROCARBONS
HYDROXYL RADICALS
LAWRENCE LIVERMORE LABORATORY
MATHEMATICAL MODELS
METHANE
NATIONAL ORGANIZATIONS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
OZONE
RADICALS
STRATOSPHERE
TROPOSPHERE
TWO-DIMENSIONAL CALCULATIONS
US AEC
US DOE
US ERDA
US ORGANIZATIONS