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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/774

Title: Natural and human-related sources of ozone-forming trace gases in southern Africa
Authors: Scholes, RJ
Scholes, MC
Keywords: Tropospheric ozone
Trace gases
Ozone cloud
Emissions
South Africa
Issue Date: Sep-1998
Publisher: Bureau Scientific Publications
Citation: Scholes, RJ and Scholes, MC. 1998. Natural and human-related sources of ozone-forming trace gases in southern Africa. South African Journal of Science, vol. 94(9), pp 422-425
Abstract: Nitric oxide (NO) reacts with hydrocarbons and carbon monoxide (CO) in the presence of sunlight to form ozone in the lower atmosphere. Tropospheric ozone can be harmful to plants and animals, and is usually regarded as a symptom of industrial or vehicular pollution. The cloud of tropospheric ozone which forms over southern Africa every spring probably has its main origin in natural emissions of the ozone-forming trace gases, including CO from vegetation fires, emissions of NO from soils, and hydrocarbons from plants. The observed levels of ozone are not dangerous to humans, but form a high background level to which pollutants of human origin are added.
Description: Copyright: 1998 Bureau Scientific Publications
URI: http://hdl.handle.net/10204/774
ISSN: 0038-2353
Appears in Collections:Pollution and waste
General science, engineering & technology

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