The paper assesses the water vapour continuum and line parameters using FTS ground-based measurements in the spectral range 240-600 cm-1. For the continuum, we compare two versions of the widely used Mlawer, Tobin-Clough, Kneizys-Davies (MT_CKD) models and the coefficients recently retrieved within the ECOWAR campaign. For the line parameters, the 2001 and the 2006 releases of HITRAN database have been considered. The new continuum coefficients, which result in a more transparent atmosphere, improve the consistency between model and observation. Calculations performed using the latest HITRAN spectroscopic parameters shows a better consistency with the observations in the whole spectral range, when it is used with the new retrieved continuum coefficients.

Assessing water vapour line parameters and continuum in the spectral range between 240 and 600 cm-1

MASIELLO, Guido;SERIO, Carmine;
2008-01-01

Abstract

The paper assesses the water vapour continuum and line parameters using FTS ground-based measurements in the spectral range 240-600 cm-1. For the continuum, we compare two versions of the widely used Mlawer, Tobin-Clough, Kneizys-Davies (MT_CKD) models and the coefficients recently retrieved within the ECOWAR campaign. For the line parameters, the 2001 and the 2006 releases of HITRAN database have been considered. The new continuum coefficients, which result in a more transparent atmosphere, improve the consistency between model and observation. Calculations performed using the latest HITRAN spectroscopic parameters shows a better consistency with the observations in the whole spectral range, when it is used with the new retrieved continuum coefficients.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11563/13681
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