| 博斯腾湖流域大气多环芳烃污染特征、 干沉降通量及来源 |
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| 引用本文： | 宋世杰,黄韬,赵留元,毛潇萱,穆熙,高宏,马建民.博斯腾湖流域大气多环芳烃污染特征、 干沉降通量及来源[J].环境科学,2019,40(2):558-566. |
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| 作者姓名： | 宋世杰 黄韬 赵留元 毛潇萱 穆熙 高宏 马建民 |
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| 作者单位： | 兰州大学资源环境学院甘肃省环境污染预警与控制重点实验室,兰州,730000;兰州大学资源环境学院甘肃省环境污染预警与控制重点实验室, 兰州 730000;北京大学城市与环境学院地表过程分析与模拟教育部重点实验室, 北京 100871 |
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| 基金项目： | 国家自然科学基金项目（41503089，41671460） |
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| 摘 要： | 本研究使用大气被动采样器(PAS-PUF)和干沉降被动采样器(PAS-DD),分别于2016年采暖期和2017年非采暖期对新疆博斯腾湖流域及周边地区15种USEPA优控多环芳烃(PAHs)大气浓度和干沉降进行了观测,并对其污染特征和来源进行了研究.结果表明,采暖期和非采暖期博斯腾湖流域PAHs大气浓度范围分别为6. 38～245. 43 ng·m~(-3)和2. 33～74. 76ng·m~(-3);采暖期与非采暖期均呈现出居民区湖泊周边塔中的空间分布.采暖期和非采暖期PAHs大气干沉降通量范围分别为0. 45～18. 10μg·(m~2·d)-1和0. 25～8. 15μg·(m~2·d)-1;采暖期居民区PAHs干沉降通量比湖泊周边和塔中采样点高,但在非采暖期塔中采样点高于其它采样点.整体而言,博斯腾湖流域大气及干沉降中PAHs在采暖期显著高于非采暖期,在采暖期与非采暖期均以菲(Phe)、芴(Flu)、荧蒽(Flua)和芘(Pyr)等3～4环PAHs为主.比值法源解析结果显示,博斯腾湖流域大气和干沉降中PAHs主要来源于煤炭和生物质燃烧; HYSPLIT前向和后向轨迹模拟结果表明,非采暖期居民区较高PAHs排放通过大气传输到达博斯腾湖区,经大气干沉降进入水体,可能会对博斯腾湖水生环境造成影响.
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| 关 键 词： | 博斯腾湖流域 大气 多环芳烃(PAHs) 干沉降 来源 |
| 收稿时间： | 2018/6/17 0:00:00 |
| 修稿时间： | 2018/8/2 0:00:00 |
Pollution Characteristics, Dry Deposition Fluxes, and Sources for Atmospheric Polycyclic Aromatic Hydrocarbons in the Bosten Lake Watershed |
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| SONG Shi-jie,HUANG Tao,ZHAO Liu-yuan,MAO Xiao-xuan,MU Xi,GAO Hong and MA Jian-min.Pollution Characteristics, Dry Deposition Fluxes, and Sources for Atmospheric Polycyclic Aromatic Hydrocarbons in the Bosten Lake Watershed[J].Chinese Journal of Environmental Science,2019,40(2):558-566. |
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| Authors: | SONG Shi-jie HUANG Tao ZHAO Liu-yuan MAO Xiao-xuan MU Xi GAO Hong and MA Jian-min |
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| Institution: | Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China and Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China;Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China |
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| Abstract: | |
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| Keywords: | Bosten Lake watershed atmosphere polycyclic aromatic hydrocarbons (PAHs) dry deposition source |
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