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Spatial distributions of nitrogen dioxide in an urban area.

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Spatial distributions of nitrogen dioxide in an urban area. / Hewitt, CN.
In: Atmospheric Environment. Part B. Urban Atmosphere, Vol. 25, No. 3, 1992, p. 429-434.

Research output: Contribution to Journal/Magazine › Journal article

Harvard

Hewitt, CN 1992, 'Spatial distributions of nitrogen dioxide in an urban area.', Atmospheric Environment. Part B. Urban Atmosphere, vol. 25, no. 3, pp. 429-434. https://doi.org/10.1016/0957-1272(91)90014-6

APA

Hewitt, CN. (1992). Spatial distributions of nitrogen dioxide in an urban area. Atmospheric Environment. Part B. Urban Atmosphere, 25(3), 429-434. https://doi.org/10.1016/0957-1272(91)90014-6

Vancouver

Hewitt CN. Spatial distributions of nitrogen dioxide in an urban area. Atmospheric Environment. Part B. Urban Atmosphere. 1992;25(3):429-434. doi: 10.1016/0957-1272(91)90014-6

Author

Hewitt, CN. / Spatial distributions of nitrogen dioxide in an urban area. In: Atmospheric Environment. Part B. Urban Atmosphere. 1992 ; Vol. 25, No. 3. pp. 429-434.

Bibtex

@article{9f650b7ef3be43a7a2769a6d2cc02751,
title = "Spatial distributions of nitrogen dioxide in an urban area.",
abstract = "Fortnightly average NO2 concentrations have been measured at 49 sites in the small city of Lancaster, U.K., over a continuous 1-year period using passive diffusion tubes. At sampling sites on a congested main road in the city centre considerable spatial and temporal variability in concentrations was found. An annual mean concentration of 63 μgm−3 was found witha range of 12–222 μgm−3. The mean concentration in an adjacent main road was 58 μgm−3 with a range of 5–107 μgm−3. Rather less variability was seen in a suburban main road and in a suburban residential street, which had annual mean concentrations of 38 and 30 μm−3, respectively. Concentrations in a city centre pedestrian precinct decreased with distance from the main road, having an annual mean value of 30μm−3. The data suggest that the precise location of a sampling device may be crucial in determining whether or not a given NO2, concentration or standard is exceeded.",
keywords = "Nitrogen dioxide, air quality standards, siting criteria, diffusion tubes",
author = "CN Hewitt",
year = "1992",
doi = "10.1016/0957-1272(91)90014-6",
language = "English",
volume = "25",
pages = "429--434",
journal = "Atmospheric Environment. Part B. Urban Atmosphere",
publisher = "Elsevier BV",
number = "3",

}

RIS

TY - JOUR

T1 - Spatial distributions of nitrogen dioxide in an urban area.

AU - Hewitt, CN

PY - 1992

Y1 - 1992

N2 - Fortnightly average NO2 concentrations have been measured at 49 sites in the small city of Lancaster, U.K., over a continuous 1-year period using passive diffusion tubes. At sampling sites on a congested main road in the city centre considerable spatial and temporal variability in concentrations was found. An annual mean concentration of 63 μgm−3 was found witha range of 12–222 μgm−3. The mean concentration in an adjacent main road was 58 μgm−3 with a range of 5–107 μgm−3. Rather less variability was seen in a suburban main road and in a suburban residential street, which had annual mean concentrations of 38 and 30 μm−3, respectively. Concentrations in a city centre pedestrian precinct decreased with distance from the main road, having an annual mean value of 30μm−3. The data suggest that the precise location of a sampling device may be crucial in determining whether or not a given NO2, concentration or standard is exceeded.

AB - Fortnightly average NO2 concentrations have been measured at 49 sites in the small city of Lancaster, U.K., over a continuous 1-year period using passive diffusion tubes. At sampling sites on a congested main road in the city centre considerable spatial and temporal variability in concentrations was found. An annual mean concentration of 63 μgm−3 was found witha range of 12–222 μgm−3. The mean concentration in an adjacent main road was 58 μgm−3 with a range of 5–107 μgm−3. Rather less variability was seen in a suburban main road and in a suburban residential street, which had annual mean concentrations of 38 and 30 μm−3, respectively. Concentrations in a city centre pedestrian precinct decreased with distance from the main road, having an annual mean value of 30μm−3. The data suggest that the precise location of a sampling device may be crucial in determining whether or not a given NO2, concentration or standard is exceeded.

KW - Nitrogen dioxide

KW - air quality standards

KW - siting criteria

KW - diffusion tubes

U2 - 10.1016/0957-1272(91)90014-6

DO - 10.1016/0957-1272(91)90014-6

M3 - Journal article

VL - 25

SP - 429

EP - 434

JO - Atmospheric Environment. Part B. Urban Atmosphere

JF - Atmospheric Environment. Part B. Urban Atmosphere

IS - 3

ER -