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The 2009 edition of the GEISA spectroscopic database |
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| Authors: | N Jacquinet-Husson L Crepeau C Boutammine NA Scott V Capelle N Poulet-Crovisier A Campargue Y Benilan V Boudon LH Coudert V Dana S Fally J-M Flaud M Herman D Jacquemart I Kleiner F Kwabia-Tchana N Lacome OM Lyulin A Maki CE Miller N Moazzen-Ahmadi A Nikitin V Perevalov DT Petkie CP Rinsland M Rotger K Sung J Tennyson A-C Vandaele |
| Institution: | a Laboratoire de Météorologie Dynamique, UMR 8539, CNRS/IPSL, Université Pierre et Marie Curie, Ecole Polytechnique, 91128 Palaiseau, France b Institut Pierre Simon Laplace, Université Pierre et Marie Curie, 75252 Paris, France c Groupe de Spectrométrie Moléculaire et Atmosphérique, UMR 6089, CNRS, Université de Reims-Champagne-Ardenne, 51687 Reims, France d Laboratoire de Spectrométrie Physique, Université Grenoble 1/CNRS, UMR 5588 LIPHY, 38402 Grenoble, France e The College of William and Mary, Department of Physics, Williamsburg, VA 23187, USA f Laboratoire Inter-Universitaire des Systèmes Atmosphériques, UMR 7583, CNRS, Universités Paris Diderot (Paris 7) et Paris EST-Créteil (UPEC), 94010 Créteil, France g Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique, UMR 8109, CNRS, Universités Pierre et Marie Curie et Denis Diderot, Observatoire de Paris-Meudon, 92195 Meudon, France h Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 5209, CNRS, Université de Bourgogne, 21078 Dijon, France i Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA j Laboratoire de Physique Moléculaire pour l'Atmosphère et l'Astrophysique, UMR 7092, CNRS, Université Pierre et Marie Curie, 75252 Paris, France k Institut d'Aéronomie Spatiale de Belgique, B-1180 Brussels, Belgium l Université Catholique de Louvain, Laboratoire de Spectroscopie Moléculaire, B-1348 Louvain-la-Neuve, Belgium m University of Denver, Department of Physics, Denver, CO 80208, USA n Université Libre de Bruxelles, Service de Chimie Quantique et Photophysique, C.P. 160/09, B-1050 Brussels, Belgium o University College London, Department of Physics and Astronomy, London WC1E 6BT, UK p Laboratoire de Dynamique, Interactions et Réactivité, UMR 7075, CNRS, Université Pierre et Marie Curie, 75252 Paris, France q VE Zuev Institute of Atmospheric Optics, 634021 Tomsk, Russian Federation r Centre for Laser, Atomic, and Molecular Sciences (CLAMS), Department of Physics, University of New Brunswick, Saint John, NB, Canada E2L 4L5 s 15012 24th Ave. S.E., Mill Creek, WA 98012, USA t Department of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada T2N 1N4 u I. Physikalisches Institut, Universität zu Köln, 50937 Köln, Germany v Institute for Meteorology and Climate Research Research Centre Karlsruhe/University (KIT), 76021 Karlsruhe, Germany w Department of Physics, Wright State University, Dayton, OH 45435, USA x Department of Physics and Astronomy, University of Lethbridge, Lethbridge, AB, Canada T1K 3M4 y NASA Langley Research Center, Science Directorate, Hampton, VA 23681, USA z EOS, Space Research Centre, Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK |
| Abstract: | The updated 2009 edition of the spectroscopic database GEISA (Gestion et Etude des Informations Spectroscopiques Atmosphériques; Management and Study of Atmospheric Spectroscopic Information) is described in this paper. GEISA is a computer-accessible system comprising three independent sub-databases devoted, respectively, to: line parameters, infrared and ultraviolet/visible absorption cross-sections, microphysical and optical properties of atmospheric aerosols. In this edition, 50 molecules are involved in the line parameters sub-database, including 111 isotopologues, for a total of 3,807,997 entries, in the spectral range from 10−6 to 35,877.031 cm−1.The successful performances of the new generation of hyperspectral sounders depend ultimately on the accuracy to which the spectroscopic parameters of the optically active atmospheric gases are known, since they constitute an essential input to the forward radiative transfer models that are used to interpret their observations. Currently, GEISA is involved in activities related to the assessment of the capabilities of IASI (Infrared Atmospheric Sounding Interferometer; http://smsc.cnes.fr/IASI/index.htm) on board the METOP European satellite through the GEISA/IASI database derived from GEISA. Since the Metop-A (http://www.eumetsat.int) launch (19 October 2006), GEISA is the reference spectroscopic database for the validation of the level-1 IASI data. Also, GEISA is involved in planetary research, i.e., modeling of Titan's atmosphere, in the comparison with observations performed by Voyager, or by ground-based telescopes, and by the instruments on board the Cassini-Huygens mission.GEISA, continuously developed and maintained at LMD (Laboratoire de Météorologie Dynamique, France) since 1976, is implemented on the IPSL/CNRS (France) “Ether” Products and Services Centre WEB site (http://ether.ipsl.jussieu.fr), where all archived spectroscopic data can be handled through general and user friendly associated management software facilities. More than 350 researchers are registered for on line use of GEISA. |
| Keywords: | GEISA Spectroscopic database Molecular spectroscopy Line parameters Cross-sections Atmospheric absorption Atmospheric aerosols Atmospheric radiative transfer Earth's and planetary atmospheres |
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