Gestion et Etude des Informations Spectroscopiques Atmosphériques
GEISA spectroscopic data bank was initiated in 1975 because atmospheric radiation analysis requires accurate description of spectral properties of atmospheric gases and particles.

Adequate tools are required to perform reliable radiative transfer modelling calculations to meet the needs of communities involved in understanding the atmospheres of the Earth and other planets. Among these tools compilations of spectroscopic parameters are used for a vast array of applications and especially for planetary atmospheric remote sensing. Consequently, there is an acute need for comprehensive, trustworthy and operational interactive spectroscopic databases to benefit the research in direct and inverse radiative transfer. In this context, since over three decades, the ARA (Atmospheric Radiation Analysis) group at LMD (Laboratoire de Météorologie Dynamique, France) has developed GEISA (Gestion et Etude des Informations Spectroscopiques Atmosphériques: Management and Study of Atmospheric Spectroscopic Information), a computer accessible database system (Chédin et al., (1982), Husson et al., (1992), Jacquinet-Husson et al., (1999, 2008, 2009, 2016), designed to facilitate accurate and fast forward, calculations of atmospheric radiative transfer using a line-by-line and (atmospheric) layer-by-layer approach. This effort has proven to be beneficial to the atmospheric scientific community participating in direct and inverse radiative transfer studies.

Gestion et Etude des Informations Spectroscopiques Atmosphériques

armante at lmd dot polytechnique dot fr
Chédin et al., (1982), Husson et al., (1992)
https://geisa.aeris-data.fr/

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