Sampling and Analysis of Volatile Organic Compounds Emitted from Leaded and Unleaded Gasoline Powered Motor Vehicles |
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Authors: | R Montells M Aceves J O Grimalt |
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Institution: | (1) RIVM, PO Box 1, 3720 BA Bilthoven, The Netherlands |
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Abstract: | Forecasts of air quality provide information to the general public during periods with high levels of air pollution. Criteria for testing the validity and reliability of forecast systems are discussed. As the objectives of a forecast may widely differ (providing information to the public or triggering short-term emission reduction measures) there is not a single evaluation procedure. It is recommended to use a set of performance indicators. The strong year-to-year variability in occurrence of smog episodes makes it necessarily to use several years of data in the evaluation. |
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Keywords: | air pollution modelling forecast model evaluation ozone |
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