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Journal Article: BibTeX citation key:  Hopkins2009
Hopkins, J. R., Evans, M. J., Lee, J. D., Lewis, A. C., Marsham, J. H., McQuaid, J. B., Parker, D. J., Stewart, D. J., Reeves, C. E. & Purvis, R. M. (2009) Direct estimates of emissions from the megacity of Lagos. IN Atmospheric Chemistry and Physics, 9. 8471–8477.
Added by: Boichard Jean-Luc 2010-08-05 10:13:47    Last Edited by: Fanny Lefebvre 2010-12-08 15:20:49
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Categories: General
Creators: Evans, Hopkins, Lee, Lewis, Marsham, McQuaid, Parker, Purvis, Reeves, Stewart
Collection: Atmospheric Chemistry and Physics

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Abstract
We report here top-down emissions estimates for an African megacity. A boundary layer circumnavigation of Lagos, Nigeria was completed using the FAAM BAe146 aircraft as part of the AMMA project. These observations together with an inferred boundary layer height allow the flux of pollutants to be calculated. Extrapolation gives annual emissions for CO, NOx, and VOCs of 1.44 Tg yr−1, 0.03 Tg yr−1 and 0.37 Tg yr−1 respectively with uncertainties of +250/−60%. These inferred emissions are consistent with bottom-up estimates for other developing megacities and are attributed to the evaporation of fuels, mobile combustion and natural gas emissions.

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Added by: Fanny Lefebvre    Last Edited by: Fanny Lefebvre