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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 5 | Copyright
Atmos. Meas. Tech., 9, 2291-2302, 2016
https://doi.org/10.5194/amt-9-2291-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 24 May 2016

Research article | 24 May 2016

Atmospheric mercury measurements onboard the CARIBIC passenger aircraft

Franz Slemr1, Andreas Weigelt2,a, Ralf Ebinghaus2, Hans H. Kock2, Jan Bödewadt2, Carl A. M. Brenninkmeijer1, Armin Rauthe-Schöch1, Stefan Weber1,b, Markus Hermann3, Julia Becker4, Andreas Zahn4, and Bengt Martinsson5 Franz Slemr et al.
  • 1Max-Planck-Institut für Chemie (MPIC), Hahn-Meitner-Weg 1, 55128 Mainz, Germany
  • 2Helmhotz-Zentrum Geesthacht, Institut für Küstenforschung, Max-Planck-Straße 1, 21502 Geesthacht, Germany
  • 3Leibniz-Institut für Troposphärenforschung, Permoserstrasse 15, 04318 Leipzig, Germany
  • 4Institut für Meteorologie und Klimaforschung (IMK-ASF), Karlsruhe Institut für Technologie, Hermann-von-Helmholtz-Platz 1, 76344 Leopoldshafen, Germany
  • 5University of Lund, Division of Nuclear Physics, P.O. Box 118, 22100, Lund, Sweden
  • anow at: Bundesamt für Seeschifffahrt und Hydrographie (BSH), Wüstland 2, 22589 Hamburg, Germany
  • bnow at: Hessisches Landesamt für Umwelt und Geologie (HLUG), Rheingaustrasse 186, 65203 Wiesbaden, Germany

Abstract. Goal of the project CARIBIC (Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrumented Container) is to carry out regular and detailed observations of atmospheric composition (particles and gases) at cruising altitudes of passenger aircraft, i.e. at 9–12km. Mercury has been measured since May 2005 by a modified Tekran instrument (Tekran Model 2537 A analyser, Tekran Inc., Toronto, Canada) during monthly intercontinental flights between Europe and South and North America, Africa, and Asia. Here we describe the instrument modifications, the post-flight processing of the raw instrument signal, and the fractionation experiments.

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The goal of CARIBIC (Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrumented Container) is to carry out regular and detailed observations of atmospheric chemistry at 9–12 km altitude. Mercury has been measured since May 2005 during intercontinental flights between Europe and South and North America, Africa, and Asia. Here we describe the instrument modifications, the post-flight processing of the raw instrument signal, and the fractionation experiments.
The goal of CARIBIC (Civil Aircraft for the Regular Investigation of the atmosphere Based on an...
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