Experimental and theoretical investigation on pressure-broadening and pressure-shifting of the 22.2 GHz line of water

Year: 2007

Authors: Cazzoli G., Puzzarini C., Buffa G., Tarrini O.

Autors Affiliation: Dipartimento di Chimica “G. Ciamician”, Università di Bologna, Via Selmi 2, I-40126 Bologna, Italy; IPCF-CNR and Dipartimento di Fisica “E. Fermi”, Università di Pisa, Largo Pontecorvo 3, I-56127 Pisa, Italy

Abstract: Since water is a fundamental component of the atmosphere and it is well established that the accuracy of collisional broadening parameters has a crucial influence on reduction of remote sensing data, we decided to investigate the self-, N-2- and O-2-broadening parameters of the J = 6(1,6) <- 5(2,3) (22.2 GHz) rotational transition of water in the temperature range 296-338 K. Due to the relevance of this water line, this investigation should be considered of particular interest in monitoring the Earth Journal/Review: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER

Volume: 105 (3)      Pages from: 438  to: 449

KeyWords: pressure broadening; pressure shift; relaxation; rotational transition; water
DOI: 10.1016/j.jqsrt.2006.11.003

Citations: 24
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