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Air quality in the Johannesburg–Pretoria megacity : its regional influence and identification of parameters that could mitigate pollution
(North-West University, 2012)
A megacity is generally defined as a city that, together with its suburbs or recognised metropolitan area, has a total population of more than 10 million people. Air pollution in megacities is a major concern due to large ...
Temporal assessment of volatile organic compounds at a site with high atmospheric variability in the North–West Province
(North-West University, 2012)
Volatile organic compounds (VOCs) are emitted into the atmosphere from biogenic and
anthropogenic sources with atmospheric lifetimes ranging from minutes to months,
depending on the specific VOC compound considered. It ...