Physics
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..conferi05m&link_type=abstract
"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec
Physics
Atmospheric Species
Scientific paper
The water-vapor continuum plays an important role in the radiation balance in the Earth's atmosphere. While this absorption has been known for a long time, the physical mechanism responsible is still an open problem. We have recently calculated theoretically both the magnitude and temperature dependence for the three mechanism that have been suggested: the far-wings of allowed lines, collision-induced absorption, and water dimers. All three mechanisms depend quadratically on the number density of H_2O for the self-continuum, and on the product of the densities for the foreign-continuum. However, these three mechanisms have quite differences on the temperature as we will discuss. This analysis may provide us with a method to assess their relative importance in ambient atmospheric measurements.
Q. Ma, R. H. Tipping, and C. Leforestier, J. Chem. Phys. 128, 124313 (2008).
C. Leforestier, R. H. Tipping, and Q. Ma, to be submitted for publication.
Leforestier Claude
Ma Qing
Tipping R. H.
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