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|標題:||Application of circuit model for Taipei city PM10 simulation||作者:||Tsuang, B.J.
|關鍵字:||urban air quality;circuit model;dry deposition;stability;particulate;matter||Project:||Atmospheric Environment||期刊/報告no：:||Atmospheric Environment, Volume 33, Issue 11, Page(s) 1789-1801.||摘要:||
This study simulated PM10 concentrations in Taipei City from September 1990 to June 1992, by using a circuit model developed by Tsuang and Chao. Simulation results demonstrated that the scheme performs better than a box model. The correlation coefficient between observed and predicted values was 0.61 with a standard error of 60 mu g m(-3). The mean treatment score of successful predictions of high PM10 concentrations (exceeding 125 mu g m(-3)) was 58%. Fine particulates were found to be the major contributor toward hazardous air quality, under a stable, low wind speed and rainless atmosphere. In addition, the ill-mixed factor was found to be zero. The circuit model is close to a box model equation under an unstable atmosphere where the mixing height is much higher than the surface layer. (C) 1999 Elsevier Science Ltd. All rights reserved.
|Appears in Collections:||環境工程學系所|
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