Articles | Volume 10, issue 10
https://doi.org/10.5194/amt-10-3931-2017
https://doi.org/10.5194/amt-10-3931-2017
Research article
 | 
25 Oct 2017
Research article |  | 25 Oct 2017

CH4 emission estimates from an active landfill site inferred from a combined approach of CFD modelling and in situ FTIR measurements

Hannah Sonderfeld, Hartmut Bösch, Antoine P. R. Jeanjean, Stuart N. Riddick, Grant Allen, Sébastien Ars, Stewart Davies, Neil Harris, Neil Humpage, Roland Leigh, and Joseph Pitt

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Cited articles

Allen, G., Gallagher, M., Hollingsworth, P., Illingworth, S., Kabbabe, K., and Percival, C.: Feasibility of aerial measurements of methane emissions from landfills, Environment Agency, Bristol, UK, 2014.
Allen, G., Pitt, J., Hollingsworth, P., Mead, I., Kabbabe, K., Roberts, G., and Percival, C.: Measuring landfill methane emissions using unmanned aerial systems: field trial and operational guidance, Environment Agency, Bristol, UK, 2015.
Baer, D., Paul, J., Gupta, M., and O'Keefe, A.: Sensitive absorption measurements in the near-infrared region using off-axis integrated-cavity-output spectroscopy, Appl. Phys. B, 75, 261–265, 2002.
Bell, M., Flechard, C., Fauvel, Y., Häni, C., Sintermann, J., Jocher, M., Menzi, H., Hensen, A., and Neftel, A.: Ammonia emissions from a grazed field estimated by miniDOAS measurements and inverse dispersion modelling, Atmos. Meas. Tech., 10, 1875–1892, https://doi.org/10.5194/amt-10-1875-2017, 2017.
Bergamaschi, P., Lubina, C., Königstedt, R., Fischer, H., Veltkamp, A. C., and Zwaagstra, O.: Stable isotopic signatures (δ13C, δD) of methane from European landfill sites, J. Geophys. Res.-Atmos., 103, 8251–8265, 1998.
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Short summary
The waste sector is the second largest source of methane in the UK. However, uncertainties of methane emissions from landfill sites still remain. In this study we present a new approach for the estimation of methane emissions from a landfill site by applying a computational fluid dynamics (CFD) model for precise measurements of methane with in situ Fourier-transform infrared (FTIR) spectroscopy. Different source areas could be distinguished with this method and their emissions were assessed.