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Show simple item record Scholes, RJ Scholes, MC 2007-06-29T08:44:51Z 2007-06-29T08:44:51Z 1998-09
dc.identifier.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 en
dc.identifier.issn 0038-2353
dc.description Copyright: 1998 Bureau Scientific Publications en
dc.description.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. en
dc.language.iso en en
dc.publisher Bureau Scientific Publications en
dc.subject Tropospheric ozone en
dc.subject Trace gases en
dc.subject Ozone cloud en
dc.subject Emissions en
dc.subject South Africa en
dc.title Natural and human-related sources of ozone-forming trace gases in southern Africa en
dc.type Article en

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