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- Title
Airborne remote sensing and in situ measurements of atmospheric CO<sub>2</sub> to quantify point source emissions.
- Authors
Krings, Thomas; Neininger, Bruno; Gerilowski, Konstantin; Krautwurst, Sven; Buchwitz, Michael; Burrows, John P.; Lindemann, Carsten; Ruhtz, Thomas; Schüttemeyer, Dirk; Bovensmann, Heinrich
- 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 coalfired 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.
- Subjects
REMOTE sensing of the atmosphere; CARBON dioxide &; the environment; POINT sources (Pollution); REMOTE sensing in environmental monitoring; GREENHOUSE gases &; the environment
- Publication
Atmospheric Measurement Techniques, 2018, Vol 11, Issue 2, p721
- ISSN
1867-1381
- Publication type
Article
- DOI
10.5194/amt-11-721-2018