The spatial externalities of car-based worktravel emissions in greater London, 1981 and 1991 |
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Authors: | Martin Frost Brian Linneker Nigel Spence |
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Affiliation: | Kings College London, Strand, London WC2R 2LS, UK;Queen Mary and Westfield College, Mile End Road, London E1 4NS, UK |
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Abstract: | This research considers vehicle emissions from travel to work trips by car within and through the localities of London. Specific focus is placed on the residential origins of the trips and the analysis is based on 1981 and 1991 Census travel to work data. London is divided into some 24 one kilometre concentric ring bands and the number of vehicle kilometres travelled within each of these is calculated from ward to ward origin-destination worktravel movements by car. The spatial distribution of vehicle emissions from the perspective of the source origin of this type of urban environmental external disbenefit is derived. The research points to the highest concentrations of emissions located firmly in the centre of the city and this confirms scientific survey evidence of air quality. The results also confirm that in Central and Inner London the largest proportionate contribution to total emissions arises from vehicles originating from residences in Outer London. |
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Keywords: | cars London negative externalities emissions worktravel Censuses 1981 1991 |
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