Articles | Volume 17, issue 15
Research article
07 Aug 2017
Research article |  | 07 Aug 2017

Seasonal and spatial changes in trace gases over megacities from Aura TES observations: two case studies

Karen E. Cady-Pereira, Vivienne H. Payne, Jessica L. Neu, Kevin W. Bowman, Kazuyuki Miyazaki, Eloise A. Marais, Susan Kulawik, Zitely A. Tzompa-Sosa, and Jennifer D. Hegarty


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Discussed (preprint)

Latest update: 29 May 2024
Short summary
Air quality is a major issue for megacities. Our paper looks at satellite measurements over Mexico City and Lagos of several trace gases gases related to air quality to determine the temporal and spatial variability of these gases, and it relates this variability to local conditions, such as topography, winds and biomass burning events. We find that, while Mexico City is known for severe pollution events, the levels of of pollution in Lagos are much higher and more persistent.
Final-revised paper