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Direct estimates of emissions from the megacity of Lagos

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. and Purvis, R.M. (2009) Direct estimates of emissions from the megacity of Lagos. Atmospheric Chemistry and Physics, 9 (21). pp. 8471-8477. ISSN 1680-7316

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To link to this article DOI: 10.5194/acp-9-8471-2009

Abstract/Summary

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.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11339
Uncontrolled Keywords:POLLUTION, NIGERIA

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