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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 8, issue 7 | Copyright
Atmos. Meas. Tech., 8, 3059-3068, 2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 31 Jul 2015

Research article | 31 Jul 2015

Application of portable FTIR spectrometers for detecting greenhouse gas emissions of the major city Berlin

F. Hase1, M. Frey1, T. Blumenstock1, J. Groß1, M. Kiel1, R. Kohlhepp2, G. Mengistu Tsidu1,4, K. Schäfer3, M. K. Sha1, and J. Orphal1 F. Hase et al.
  • 1Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-ASF), Karlsruhe, Germany
  • 2German Weather Service, Offenbach, Germany
  • 3Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-IFU), Garmisch-Partenkirchen, Germany
  • 4Department of Physics, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia

Abstract. Five portable Bruker EM27/SUN FTIR (Fourier transform infrared) spectrometers have been used for the accurate and precise observation of column-averaged abundances of CO2 and CH4 around the major city Berlin. In the work by Frey et al. (2015), a calibration procedure is developed and applied to the set of spectrometers used for the Berlin campaign. Here, we describe the observational setup of the campaign and aspects of the data analysis, and we present the recorded time series of XCH4 and XCO2. We demonstrate that the CO2 emissions of Berlin can be clearly identified in the observations. A simple dispersion model is applied which indicates a total strength of the Berlin source of about 0.8 t CO2 s−1. In the Supplement of this work, we provide the measured data set and auxiliary data. We hope that the model community will exploit this unique data set for state-of-the art inversion studies of CO2 and CH4 sources in the Berlin area.

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