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Carbon Monoxide Concentration in a Street Canyon of Buenos Aires City (Argentina)

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Abstract

The analysis of three years of 8-h CO concentration values registered in a deep street canyon downtown shows high frequency of values that exceed WHO health protection guidelines. An inverse relationship between opposing percentiles of the distributions of CO concentrations and mean wind speed could be found. Data also showed a variation of mean CO values with prevailing wind direction. The averaged concentration value obtained when the sampler probe is on the leeward side is lower than the obtained when it is on the windward wall. A preliminary explanation of this feature may be related to the advection of polluted air from a high traffic density area nearby.

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Authors and Affiliations

  1. National Scientific and Technological Research Council (CONICET) Dept. of Atmospheric Science. Faculty of Sciences, University of Buenos, Aires Ciudad Universitaria. Pab. 2, 1428, Buenos Aires, Argentina

    Laura E. Venegas & Nicolas A. Mazzeo

Authors
  1. Laura E. Venegas
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  2. Nicolas A. Mazzeo
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Venegas, L.E., Mazzeo, N.A. Carbon Monoxide Concentration in a Street Canyon of Buenos Aires City (Argentina). Environ Monit Assess 65, 417–423 (2000). https://doi.org/10.1023/A:1006425111499

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  • DOI: https://doi.org/10.1023/A:1006425111499

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