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          Institute: MPI für Chemie     Collection: Publikationen MPI für Chemie     Display Documents



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ID: 14640.0, MPI für Chemie / Publikationen MPI für Chemie
Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels
Authors:Kormann, R.; Fischer, H.; Gurk, C.; Helleis, F.; Klüpfel, T.; Kowalski, K.; Königstedt, R.; Parchatka, U.; Wagner, V.
Language:English
Date of Publication (YYYY-MM-DD):2002-09
Title of Journal:Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Journal Abbrev.:Spectroc. Acta Pt. A-Molec. Biomolec. Spectr.
Volume:58
Issue / Number:11
Start Page:2489
End Page:2498
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We describe the application of a three-laser tunable diode laser absorption spectrometer (TDLAS), called 'tracer in-situ TDLAS for atmospheric research' (TRISTAR), to measure nitrogen dioxide (NO,), formaldehyde (HCHO) and hydrogen peroxide (H2O2), during an intensive measurement campaign on Mt. Cimone (44degrees11'N, 10degrees42'E, 2165 m asl), Northern Appenines, Italy in June 2000 as part of the EU-project 'mineral dust and tropospheric chemistry' (MINATROC). The TRISTAR instrument was a major component of an instrument package, provided by the Max-Planck-Insitut fur Chemie, to investigate free tropospheric gas-phase chemistry over the Appenines. Here we discuss the optical, electronic, gas flow, and calibration setup of the TDLAS used during the campaign. We characterized extensively the instrument's performance during a preparatory phase in the laboratory and compared the laboratory results to the in-field results. Consistency checks with additional trace gas measurements obtained during the campaign create high confidence in the measured concentrations. Correlations between different trace gas species, along with other evaluation tools, allow a full chemical characterization of air masses to meet the goals of the campaign. (C) 2002 Elsevier Science B.V. All rights reserved.
Free Keywords:tunable diode laser absorption spectroscopy; calibration; tropospheric chemistry; atmospheric research
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Chemie/Chemie der Atmosphäre
Identifiers:ISI:000177891300020
ISSN:1386-1425
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