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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 11, 721-739, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
07 Feb 2018
Airborne remote sensing and in situ measurements of atmospheric CO2 to quantify point source emissions
Thomas Krings1, Bruno Neininger2,3, Konstantin Gerilowski1, Sven Krautwurst1, Michael Buchwitz1, John P. Burrows1, Carsten Lindemann4, Thomas Ruhtz4, Dirk Schüttemeyer5, and Heinrich Bovensmann1 1Institute of Environmental Physics, University of Bremen, FB 1, P.O. Box 330440, 28334 Bremen, Germany
2METAIR AG, Airfield Hausen am Albis, 8915 Hausen am Albis, Switzerland
3Zurich University of Applied Sciences, 8400 Winterthur, Switzerland
4Institute for Space Sciences, Free University of Berlin, Carl-Heinrich-Becker-Weg 6-10, 12165 Berlin, Germany
5ESA/ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
Abstract. Reliable techniques to infer greenhouse gas emission rates from localised sources require accurate measurement and inversion approaches. In this study airborne remote sensing observations of CO2 by the MAMAP instrument and airborne in situ measurements are used to infer emission estimates of carbon dioxide released from a cluster of coal-fired power plants. The study area is complex due to sources being located in close proximity and overlapping associated carbon dioxide plumes. For the analysis of in situ data, a mass balance approach is described and applied, whereas for the remote sensing observations an inverse Gaussian plume model is used in addition to a mass balance technique. A comparison between methods shows that results for all methods agree within 10 % or better with uncertainties of 10 to 30 % for cases in which in situ measurements were made for the complete vertical plume extent. The computed emissions for individual power plants are in agreement with results derived from emission factors and energy production data for the time of the overflight.

Citation: Krings, T., Neininger, B., Gerilowski, K., Krautwurst, S., Buchwitz, M., Burrows, J. P., Lindemann, C., Ruhtz, T., Schüttemeyer, D., and Bovensmann, H.: Airborne remote sensing and in situ measurements of atmospheric CO2 to quantify point source emissions, Atmos. Meas. Tech., 11, 721-739,, 2018.
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