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New infrared spectroscopic database for chlorine nitrate

Wagner, Georg and Birk, Manfred (2003) New infrared spectroscopic database for chlorine nitrate. Journal of Quantitative Spectroscopy and Radiative Transfer, 82 (1-4), 443doi:10.1016/S0022-4073(03)00169-9-460.

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Abstract

Fourier transform infrared measurements of chlorine nitrate have been performed in the spectral region 500–1330 cm-1 at 0.002–0.008 cm-1 spectral resolution. Absorption cross sections were derived from 23 spectra covering the temperature range from 190 to 296 K and air pressure range from 0 to 150 hPa. For line-by-line analysis, further spectra were recorded at 0.00094 cm-1 spectral resolution at 190 and 296 K. The sample was synthesized from N2O5 and Cl2O. Number densities in the absorption cell were derived from pressure measurements of the purified sample. Quality assurance included measurements with different sample pressures, spectroscopic purity check of the sample, comparison of integrated absorption cross sections over entire band systems, and assessment of residuals from remote-sensing retrievals. Multiplicative and additive errors were considered giving an overall uncertainty of +2.5/-3.5%. Further data reduction was achieved with an interpolation scheme based on two-dimensional polynomials in ln(pressure) and temperature. The worst-case error for the interpolated data is +4.5/-5.5%. The database is well-suited for remote-sensing application and should reduce the atmospheric chlorine nitrate error budget substantially.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2003,
Title:New infrared spectroscopic database for chlorine nitrate
Authors:
AuthorsInstitution or Email of Authors
Wagner, GeorgUNSPECIFIED
Birk, ManfredUNSPECIFIED
Date:2003
Journal or Publication Title:Journal of Quantitative Spectroscopy and Radiative Transfer
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:82
Page Range:443doi:10.1016/S0022-4073(03)00169-9-460
Status:Published
Keywords:Chlorine nitrate; Infrared; Spectroscopic database; Absolute intensities; Remote sensing; Absorption cross-section interpolation
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: Cornelia Roehl
Deposited On:26 Jan 2006
Last Modified:06 Jan 2010 22:16

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