Anthropogenic emissions in Nigeria and implications for atmospheric ozone pollution: A view from space
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CitationMarais, E.A., D.J. Jacob, K. Wecht, C. Lerot, L. Zhang, K. Yu, T.P. Kurosu, K. Chance, and B. Sauvage. 2014. Anthropogenic Emissions in Nigeria and Implications for Atmospheric Ozone Pollution: A View from Space. Atmospheric Environment 99: 32–40. doi:10.1016/j.atmosenv.2014.09.055.
AbstractNigeria has a high population density and large fossil fuel resources but very poorly managed energy infrastructure. Satellite observations of formaldehyde (HCHO) and glyoxal (CHOCHO) reveal very large sources of anthropogenic nonmethane volatile organic compounds (NMVOCs) from the Lagos megacity and oil/gas operations in the Niger Delta. This is supported by aircraft observations over Lagos and satellite observations of methane in the Niger Delta. Satellite observations of carbon monoxide (CO) and nitrogen dioxide (NO2) show large seasonal emissions from open fires in December–February (DJF). Ventilation of central Nigeria is severely restricted at that time of year, leading to very poor ozone air quality as observed from aircraft (MOZAIC) and satellite (TES). Simulations with the GEOS-Chem chemical transport model (CTM) suggest that maximum daily 8-h average (MDA8) ozone exceeds 70 ppbv over the region on a seasonal mean basis, with significant contributions from both open fires (15–20 ppbv) and fuel/industrial emissions (7–9 ppbv). The already severe ozone pollution in Nigeria could worsen in the future as a result of demographic and economic growth, although this would be offset by a decrease in open fires.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:33490982
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