Climatic Effects Due to Halogenated Compounds in the Earth's Atmosphere
Abstract
Using a one-dimensional radiative-convective model, we perform a sensitivity study of the effect of ozone depletion in the stratosphere on the surface temperature. There could be a cooling of the surface temperature by ~0.2 K due to chlorofluoromethane-induced ozone depletion at steady state (assuming 1973 release rates). This cooling reduces significantly the greenhouse effect due to the presence of chlorofluoromethanes. Carbon tetrafluoride has a strong ν_3 band at 7.8 μm, and the atmospheric greenhouse effect is shown to be 0.07 and 0.12 K (ppbv)^(−1) with and without taking into account overlap with CH_4 and N_2O bands. At concentration higher than 1 ppbv, absorption by the ν_3 band starts to saturate and the greenhouse effect becomes less efficient.
Additional Information
© 1980 American Meteorological Society. Manuscript received 4 June 1979, in final form 29 August 1979. We thank N. D. Sze, R. T. Watson, A. Goldman, D. G. Murcray and J. E. Hansen for useful discussion, and R. T. Watson, S. P. Sander and A. A. Lacis for permission to use their results prior to publication. During the course of this work, Pinto was supported by NASA Grant NSG 5163 Scope M to Columbia University. Yung's research was supported by NASA Grant NSG 2229 to the California Institute of Technology.Attached Files
Published - WANjas80.pdf
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Additional details
- Eprint ID
- 32657
- Resolver ID
- CaltechAUTHORS:20120724-075448222
- NASA
- NSG 5163 Scope M
- NASA
- NSG 2229
- Created
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2012-07-26Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences (GPS)