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Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons101074

Kormann,  R.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons100935

Fischer,  H.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons100974

Gurk,  C.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

Helleis,  F.
Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons101068

Klüpfel,  T.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

Kowalski,  K.
Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons101073

Königstedt,  R.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons101170

Parchatka,  U.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons101350

Wagner,  V.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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Zitation

Kormann, R., Fischer, H., Gurk, C., Helleis, F., Klüpfel, T., Kowalski, K., et al. (2002). Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 58(11), 2489-2498.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0014-908A-E
Zusammenfassung
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.