A PUFF MODEL REVISED BY MONTE-CARLO METHOD ON MESOSCALE RANGE

Lei Xiao’en; Qian Minwei

doi:10.1007/BF02656745

Impact Factor: 5.8

Volume 4 Issue 4

Oct. 1987

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1987 > 4(4): 460-470

A PUFF MODEL REVISED BY MONTE-CARLO METHOD ON MESOSCALE RANGE

1.
Institute of Atmospheric Physics, Academia Sinica,Institute of Atmospheric Physics, Academia Sinica

doi: 10.1007/BF02656745

Abstract
References
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Abstract:
A puff model is developed in this study, which simultaneously considers the Monte-Carlo technique, the time and space changes of atmospheric parameters, multiple continuity pollutant sources, linear chemical trans-formation and removal of pollutants, and the effect of complex terrain. The continuously observed turbulent statistical quantities, Lagrangian time scales, mesoscale flow field, and mixing layer depth in the PBL in the Dianchi area in China are directly put into the model, and the diurnal variations of air pollution are forecasted, which are dominated by such mesoscale local circulations as mountain and valley breeze, land and lake breeze, and city heat island (Kunming City). The results show that in the case of inputting the same data, they are in good agreement with the experimental data, as well as with the results of the three-dimensional advection-diffusion model (TD-ADM); the diurnal variation of mesoscale local circulation results in the obvious diurnal variation of mesoscale concentration distribution patterns; the Dianchi lake (appr. 300 km2) has a considerable effect on the distribution of air pollution in the area.
References

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Manuscript History

Manuscript received: 10 October 1987

Manuscript revised: 10 October 1987

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

A PUFF MODEL REVISED BY MONTE-CARLO METHOD ON MESOSCALE RANGE

1. Institute of Atmospheric Physics, Academia Sinica,Institute of Atmospheric Physics, Academia Sinica

Manuscript received: 1987-10-10
Manuscript revised: 1987-10-10

Abstract: A puff model is developed in this study, which simultaneously considers the Monte-Carlo technique, the time and space changes of atmospheric parameters, multiple continuity pollutant sources, linear chemical trans-formation and removal of pollutants, and the effect of complex terrain. The continuously observed turbulent statistical quantities, Lagrangian time scales, mesoscale flow field, and mixing layer depth in the PBL in the Dianchi area in China are directly put into the model, and the diurnal variations of air pollution are forecasted, which are dominated by such mesoscale local circulations as mountain and valley breeze, land and lake breeze, and city heat island (Kunming City). The results show that in the case of inputting the same data, they are in good agreement with the experimental data, as well as with the results of the three-dimensional advection-diffusion model (TD-ADM); the diurnal variation of mesoscale local circulation results in the obvious diurnal variation of mesoscale concentration distribution patterns; the Dianchi lake (appr. 300 km2) has a considerable effect on the distribution of air pollution in the area.