ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
A Preliminary Research on Application of Models-3/CMAQ Model to a Strong Dust in North China
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Abstract:
A strong sandstorm of North China in 2002 was simulated with the Models3/CMAQ system newly developed by US EPA. The pollution source data were based on the AC EAsia and TRACEP Experiments in 2002, and the particulate emission data were estimated by the visibility range from MICAPS observations. The results show th at, (1) the spatiotemporal evolvement and the mutual relationship of gas eous pollutants are consistent with the common regulation derived from observati ons. (2) The simulation of coarse PM also reflects the observational facts: The diurnal trend of both fine and coarse PM first falls and then raises; The PM so urce before SDS is near surface emission while the PM source after SDS becomes upperair’s transportation of dust; Pollution of coarse PM is dominant; （3） This air qual ity model system can be used for further development on dust aerosols.
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