Direct estimates of emissions from the megacity of Lagos

Hopkins, JR, Evans, MJ, Lee, JD, Lewis, AC, Marsham, J, McQuaid, JB, Parker, DJ, Stewart, DJ, Reeves, CE ORCID: https://orcid.org/0000-0003-4071-1926 and Purvis, RM (2009) Direct estimates of emissions from the megacity of Lagos. Atmospheric Chemistry and Physics, 9 (21). pp. 8471-8477. ISSN 1680-7324

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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.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Faculty of Science > School of Mathematics
Depositing User: Users 2731 not found.
Date Deposited: 28 Feb 2012 12:35
Last Modified: 26 Sep 2022 01:04
URI: https://ueaeprints.uea.ac.uk/id/eprint/37568
DOI: 10.5194/acp-9-8471-2009

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