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THE FORECASTING METHODS OF POLLUTANT CONCENTRATION CAUSED BY TRAFFIC EXHAUST GASES IN URBAN AREA——A CASE HISTORY OF FORECAST OF NO2 CONCENTRATION PRODUCED BY TRAFFIC IN THE MAJOR REGIONS OF SANYA CITY
Authors
关彩虹
刘玉虹
+3 more
成文连
李文丹
谷清
Publication date
1 January 2014
Publisher
Abstract
由于城区道路较多,路况复杂,城区交通尾气污染预测比较复杂。为了准确预测城区汽车尾气污染,首先将城区道路按照道路等级进行分类,然后对每条道路进行分段直线模拟,根据每段道路的车流量及路况,分段对污染物浓度进行预测。在此基础上,将不同道路污染物的预测浓度进行叠加,从而得出整个城区交通尾气污染物浓度分布状况。用此种方法对三亚城区交通尾气污染进行预测,结果表明:按照目前三亚市机动车发展速度,如果不采取适当的控制措施,到2015年会出现局部地区NO2小时浓度超过国家二级标准的情况
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Last time updated on 29/11/2016