Inderscience Publishers

Practical use of the ISCST3 model to select monitoring site locations for air pollution control

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We present an objective methodology for selection of the minimum number of sampling sites required to register the highest concentration values of air pollutants emitted from a continuous point source. The methodology is based on the analysis of 1-hour concentration values above a threshold value estimated by atmospheric dispersion models. The number and location of the air monitoring stations are determined according to the likelihood that a station can measure high concentration values in accordance with model results. The efficiency of the monitoring network design depends on the accuracy of the considered dispersion model, a low interannual variability of atmospheric conditions and the number of samplers. Following a brief description of the methodology, we detail an application to design an air monitoring network. We apply the ISCST3 atmospheric dispersion model to a point source emission, considering one year of hourly meteorological data. In this example, an approximated value of the efficiency of the network design is 0.475 at best.

Keywords: air pollution, air quality control, ISC3 ATD model, monitoring network, network design

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