東京の工場公害と都市構造

概要

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Recently environment pollution, such as air pollution, water pollution, noise and so on has frequently occurred in Japan in accordance with rapid growth of national economy and its main sources are factories which produce pollution materials.About 13% of factories of Japan are concentrated in Tôkyô in 1970. One of characteristics of manufacturing industry in the city is that the ratio of small-scale factories is larger than national average. These small-scale factories often locate in residential district or commercial one. The possibility and scale of pollution are large in the districts where such type of land use exist.Fig. 3 shows the relation between population density and sulphur excretion density. This Figure makes it clear that dangerous and uncomfortable districts where both population and sulphur excretion show high density are distributed in the eastern and northern parts of Tokyo.Factory removal is one of the means to promote areal differentiation of land use and to reconstruct urban structure. It was practised in Tôkyô, too, but the actual effect by this means is not yet enough, mainly because the scale of the undertaking is small compared with the scale of the agglomeration of manufacturing industry in the city.
東北地理学会の論文