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Información tecnológica

On-line version ISSN 0718-0764


CELIS, José E; MORALES, José R; ZAROR, Claudio A  and  CARVACHO, Omar F. Air pollution in a middle-size city: the case of Chillán (Chile). Inf. tecnol. [online]. 2007, vol.18, n.3, pp.49-58. ISSN 0718-0764.

Through an analysis of the urban contamination of the city of Chillán in Chile, it is demonstrated that the increase in atmospheric pollution during autumn and winter in the city of Chillán must be considered as a problem of anthropogenic origin. This is explained mainly due to the massive use of wood for residential heating in urban areas of the city and that produces a dense smoke-type cloud during days of stable atmospheric conditions. This suggests that it is probably necessary to control wood combustion for home heating during the most critical days. Also, the increase in pollution in the center of the city indicates that decreasing the pollution level can be also done with government regulations on transport and industry. In this way only, sustainable development of medium size cities as Chillán will be facilitated, not repeating the serious problems of large polluted cities.

Keywords : air pollution; environment; emission control; urban transport.

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