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Representative wavelengths absorption parameterization applied to satellite channels and spectral bands

Gasteiger, J. and Emde, Claudia and Mayer, Bernhard and Buras, Robertl and Buehler, S.A. and Lemke, O. (2014) Representative wavelengths absorption parameterization applied to satellite channels and spectral bands. Journal of Quantitative Spectroscopy and Radiative Transfer, 148, pp. 99-115. Elsevier. DOI: 10.1016/j.jqsrt.2014.06.024 ISSN 0022-4073

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Official URL: http://dx.doi.org/10.1016/j.jqsrt.2014.06.024

Abstract

Accurate modeling of wavelength-integrated radiative quantities, e.g. integrated over a spectral band or an instrument channel response function, requires computations for a large number of wavelengths if the radiation is affected by gas absorption which typically comprises a complex line structure. In order to increase computational speed of modeling radiation in the Earth׳s atmosphere, we parameterized wavelength-integrals as weighted means over representative wavelengths. We parameterized spectral bands of different widths (1 cm−1, 5 cm−1, and 15 cm−1) in the solar and thermal spectral range, as well as a number of instrument channels on the ADEOS, ALOS, EarthCARE, Envisat, ERS, Landsat, MSG, PARASOL, Proba, Sentinel, Seosat, and SPOT satellites. A root mean square relative deviation lower than 1% from a “training data set” was selected as the accuracy threshold for the parameterization of each band and channel.

Item URL in elib:https://elib.dlr.de/93271/
Document Type:Article
Title:Representative wavelengths absorption parameterization applied to satellite channels and spectral bands
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gasteiger, J.LMU, MünchenUNSPECIFIED
Emde, ClaudiaLMU, MünchenUNSPECIFIED
Mayer, BernhardLMU / DLR, IPAUNSPECIFIED
Buras, RobertlLMU, MünchenUNSPECIFIED
Buehler, S.A.Lulea University, Kiruna, SwedenUNSPECIFIED
Lemke, O.Lulea University, Kiruna, SwedenUNSPECIFIED
Date:2014
Journal or Publication Title:Journal of Quantitative Spectroscopy and Radiative Transfer
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:148
DOI :10.1016/j.jqsrt.2014.06.024
Page Range:pp. 99-115
Publisher:Elsevier
ISSN:0022-4073
Status:Published
Keywords:Band parameterization; Satellite channel parameterization; Gas absorption; Radiative transfer; Earth׳s atmosphere
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Remote Sensing
Deposited By: Ziegele, Brigitte
Deposited On:08 Dec 2014 12:53
Last Modified:10 Jan 2019 15:53

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