Half-Widths Their Temperature Dependence, and Line Shifts for the Rotation Band of H_2^{16}O

Details Half-Widths Their Temperature Dependence, and Line Shifts for the Rotation Band of H_2^{16}O Half-Widths Their Temperature Dependence, and Line Shifts for the Rotation Band of H_2^{16}O

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..conferi03g&link_type=abstract

"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec

Computer Science

Atmospheric Species

Scientific paper

Complex Robert-Bonamy (CRB) calculations of the half-width, its temperature dependence, and the line shift have been made for the rotation band transitions of H_2^{16}O for N_2 and O_2, as the bath molecule. First the atom-atom component of the intermolecular potential was adjusted to reproduce the half-widths of the 22 and 183 GHZ transition determined by Payne et al. (IEEE Trans. Geosci Remote Sens. 2007; 46: 3601-17). Then the line shape parameters were determined at seven temperatures (200., 225., 275., 296., 350., 500., and 700. K) for the H_2O-N_2 and H_2O-O_2 systems. The air broadened values were determined at each temperature by the standard method. The half-widths, their temperature dependence, and the line shifts were studied as a function of the rotational quantum numbers. The calculations are compared with measurement.

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