| 武汉市道路扬尘源排放清单及空间分布特征研究 |
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| 引用本文： | 祝嘉欣,成海容,虎彩娇,王祖武.武汉市道路扬尘源排放清单及空间分布特征研究[J].南京气象学院学报,2018,10(5):557-562. |
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| 作者姓名： | 祝嘉欣 成海容 虎彩娇 王祖武 |
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| 作者单位： | 武汉大学 资源与环境科学学院, 武汉, 430079,武汉大学 资源与环境科学学院, 武汉, 430079,武汉大学 资源与环境科学学院, 武汉, 430079,武汉大学 资源与环境科学学院, 武汉, 430079 |
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| 基金项目： | 武汉市2013年重大科技攻关专项“武汉市大气灰霾成因与来源研究”；国家重点研发计划（2017YFC0212603，2016YFC0200905）；湖北省自然科学基金（ZRMS2016001081） |
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| 摘 要： | 参考AP-42方法的采样规范（USEPA，2011），对武汉市13个城区的不同类型道路采集了137个扬尘样，并记录采样面积、车流情况、车道状况、地理位置、周围环境以及气象数据要素信息，得到了不同类型道路的积尘负荷，估算了其扬尘排放因子和排放量.结果表明：武汉总城区尘负荷由大到小顺序为支路 > 次干道 > 主干道 > 快速路，其中支路平均尘负荷为2.396 g/m2，快速路为0.852 g/m2，远城区平均尘负荷是主城区平均尘负荷的2倍左右.各类型道路不同粒径范围的道路交通扬尘排放因子大小顺序为支路 > 次干路 > 主干路 > 高速路，与尘负荷大小趋势一致.2016年道路交通扬尘源TSP的年排放量为156 931.4 t，PM10的年排放量为39 868.7 t，PM2.5的年排放量为11 574.8 t，其不确定性范围分别为-24.7%~31.4%、-31.3%~32.9%、-31.8%~30.5%.其中主干道扬尘排放量最大，其TSP、PM10和PM2.5的年排放量分别为64 447.1、16 372.9和4 753.4 t.
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| 关 键 词： | 武汉 道路扬尘 排放因子 源排放清单 |
| 收稿时间： | 2018/8/10 0:00:00 |
Study on the load distribution characteristics and source emission inventory of road dust in the city of Wuhan |
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| ZHU Jiaxin,CHENG Hairong,HU Caijiao and WANG Zuwu.Study on the load distribution characteristics and source emission inventory of road dust in the city of Wuhan[J].Journal of Nanjing Institute of Meteorology,2018,10(5):557-562. |
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| Authors: | ZHU Jiaxin CHENG Hairong HU Caijiao and WANG Zuwu |
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| Institution: | School of Resource and Environment Sciences, Wuhan University, Wuhan 430079,School of Resource and Environment Sciences, Wuhan University, Wuhan 430079,School of Resource and Environment Sciences, Wuhan University, Wuhan 430079 and School of Resource and Environment Sciences, Wuhan University, Wuhan 430079 |
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| Abstract: | Referring to the sampling specification of the AP-42 method (USEPA,2011),137 dust samples were collected from different types of roads in 13 urban districts of Wuhan,and the associated sampling area,traffic flow,lane conditions,geographical location,surrounding environment,and meteorological data were recorded.Based on this information,the dust load of different road types was determined,and the dust emission factors and the emissions from different roads were estimated.The results show that the dust load of Wuhan is in the following order:branch road > secondary trunk road > trunk road > expressway.The average dust load is 2.396 g/m2 for branch roads and 0.852 g/m2 for expressways.The average dust load in distant suburban areas of Wuhan is about twice the average dust load in the main urban area.The order of road traffic dust emission factors of different types of roads is:branch road > secondary trunk road > trunk road > expressway,which is consistent with the trend of dust load.In 2016,the annual emissions of road traffic dust source TSP,PM10,and PM2.5 were 156,931.4 tons,39,868.7 tons,and 11,574.8 tons,respectively.The uncertainty of road traffic dust TSP emissions ranged from -24.7% to 31.4%,the uncertainty of PM10 emissions from -31.3% to 32.9%,and the uncertainty of PM2.5 emissions from -31.8% to 30.5%.Of these,the main road dust emissions were the largest,and the annual emissions of TSP,PM10,and PM2.5 were 64,447.1 tons,16,372.9 tons,and 4,753.4 tons,respectively. |
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| Keywords: | Wuhan road dust emission factor source emission inventory |
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