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Modelling of atmospheric mid-infrared radiative transfer:the AMIL2DA algorithm intercomparison experiment

Clarmann von, Thomas and Hoepfner, Michael and Funke, Bernd and Lopez-Puertas, Manuel and Dudhia, Anu and Jay, Victoria and Schreier, Franz and Ridolfi, Marco and Ceccherini, Simone and Kerridge, Brian and Reburn, Jolyan and Siddans, Richard (2003) Modelling of atmospheric mid-infrared radiative transfer:the AMIL2DA algorithm intercomparison experiment. Journal of Quantitative Spectroscopy & Radiative Transfer, 78 (3-4), pp. 381-407.

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When retrieving atmospheric parameters from radiance spectra, the forward modelling of radiative transfer through the Earth's atmosphere plays a key role, since inappropriate modelling directly maps on to the retrieved state parameters. In the context of pre-launch activities of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) experiment, which is a high resolution limb emission sounder for measurement of atmospheric composition and temperature, five scientific groups intercompared their forward models within the framework of the Advanced MIPAS Level 2 Data Analysis (AMIL2DA) project. These forward models have been developed, or, in certain respects, adapted in order to be used as part of the groups' MIPAS data processing. The following functionalities have been assessed: the calculation of line strengths including non-local thermodynamic equilibrium, the evaluation of the spectral line shape, application of chi-factors and semi-empirical continua, the interpolation of pre-tabulated absorption cross sections in pressure and temperature, line coupling, atmospheric ray tracing, the integration of the radiative transfer equation through an inhomogeneous atmosphere, the convolution of monochromatic spectra with an instrument line shape function, and the integration of the incoming radiances over the instrument field of view.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2003,
Title:Modelling of atmospheric mid-infrared radiative transfer:the AMIL2DA algorithm intercomparison experiment
AuthorsInstitution or Email of Authors
Clarmann von, ThomasUNSPECIFIED
Hoepfner, MichaelUNSPECIFIED
Lopez-Puertas, ManuelUNSPECIFIED
Schreier, FranzUNSPECIFIED
Ceccherini, SimoneUNSPECIFIED
Kerridge, BrianUNSPECIFIED
Siddans, RichardUNSPECIFIED
Journal or Publication Title:Journal of Quantitative Spectroscopy & Radiative Transfer
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 381-407
Keywords:Infrared radiative transfer; Forward problem; Line-by-line modelling
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Deposited By: elib DLR-Beauftragter
Deposited On:02 Feb 2006
Last Modified:06 Jan 2010 22:15

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