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INFRARED SPECTROSCOPIC DETECTION OF FLUOROCARBON-12 IN THE ATMOSPHERE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/9666

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Title: INFRARED SPECTROSCOPIC DETECTION OF FLUOROCARBON-12 IN THE ATMOSPHERE
Creators: Nordstrom, R. J.; Skinner, W. R.; Shaw, J. H.; Chan, W. H.; Uselman, W. M.; Calvert, J. G.
Issue Date: 1976
Abstract: Laboratory spectra of fluorocarbon-12 $(CCl_{2}F_{2})$ were recorded and compared to spectra of the atmospheric transmission of solar radiation in the region from $6.7 \mu$ to $20 \mu$. These spectra were collected using Fourier transform spectroscopy. Certain absorption features in the solar spectrum agree well with absorption features of low concentrations of fluorocarbon-12. To confirm that fluorocarbon-12 was indeed present in our solar spectra, computer simulated spectra of atmospheric transmission without fluorocarbon-12 were compared to the recorded spectra. Furthermore, from the laboratory spectra of fluorocarbon-12, several parameters which identify a strong Q-branch feature near 9.6 $\mu$ have been calculated and included in computer simulations. These simulations in which the fluorocarbon-12 was included agree with our observed spectra.
URI: http://hdl.handle.net/1811/9666
Other Identifiers: 1976-RA-7
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