天山北坡河谷型城市大气NO2和SO2时空变化及影响因素分析

doi:10.19741/j.issn.1673-4831.2020.0293

生态与农村环境学报 ›› 2020, Vol. 36 ›› Issue (10): 1268-1275.doi: 10.19741/j.issn.1673-4831.2020.0293

天山北坡河谷型城市大气NO₂和SO₂时空变化及影响因素分析

闫晶洁^1,2, 李艳红^1,2, 马莹萍^1,2

1. 新疆师范大学地理科学与旅游学院, 新疆乌鲁木齐 830054;
2. 新疆维吾尔自治区重点实验室/新疆干旱区湖泊环境与资源实验室, 新疆乌鲁木齐 830054

收稿日期:2020-04-22 出版日期:2020-10-25 发布日期:2020-10-20
通讯作者: 李艳红 E-mail:lyh0704@126.com
作者简介:闫晶洁(1995-),女,新疆呼图壁人,主要研究方向为干旱区资源与气候。E-mail:1647383502@qq.com
基金资助:
国家自然科学基金（41761007）

Study on Temporal and Spatial Variation of Atmospheric NO₂ and SO₂ and Analysis of Influencing Factors in Valley-Type Cities on the Northern Slope of Tianshan Mountains

YAN Jing-jie^1,2, LI Yan-hong^1,2, MA Ying-ping^1,2

1. School of Geography and Tourism, Xinjiang Normal University, Urumqi 8300054, China;
2. Key Laboratory of Xinjiang Uygur Autonomous Region, Xinjiang Laboratory of Lake Environment and Resources in Arid Area, Urumqi 830054, China

Received:2020-04-22 Online:2020-10-25 Published:2020-10-20

摘要/Abstract

摘要： 基于地基多轴差分吸收光谱仪（MAX-DOAS）于2017年1月-2018年12月在天山北坡城市监测并结合气象、工厂、车流量等因素分析天山北坡河谷型城市大气NO₂和SO₂污染状况，结果表明，同一时刻天山北坡河谷型城市大气NO₂垂直柱浓度（VCD）高于SO₂ VCD，均呈现中午低、早晚高的特征，且冬季 > 春季 > 秋季 > 夏季。在空间上，天山北坡河谷型城市的工厂、交通干道以及靠近天山山脉处的大气NO₂ VCD较高。天山北坡河谷型城市地处谷底，易产生逆温层，大气污染物不易扩散。因城市布局的特点，每当西风盛行时，阜康市与乌苏市大气污染会加重，博乐市大气污染会降低，且外来气团携带的大气污染物会加重天山北坡河谷型城市的大气NO₂和SO₂污染程度。产业类型不同对城市大气NO₂和SO₂的污染程度不同，第二产业为主的城市污染程度最严重，第三产业为主的城市污染程度次之，第一产业为主的城市污染程度最低。

关键词: 天山北坡, 河谷型城市, 大气NO₂垂直柱浓度, SO₂垂直柱浓度

Abstract: According to the ground-based multi axis differential absorption spectrometer (max-DOAS), from January 2017 to December 2018 the atmospheric NO₂ and SO₂ pollution status of valley type cities on the northern slope of Tianshan Mountains were analyzed in combination with meteorology, factory, vehicle flow and other factors. The results show that the vertical column concentration of NO₂ VCD was higher than SO₂ VCD in the northern slope of Tianshan Mountains at the same time, showing the characteristics of low at noon and high in the morning and evening, and from large to small in winter, spring, autumn and summer. Spatially, NO₂ VCD of factories, traffic arteries and atmospheric NO₂ VCD near Tianshan Mountains were higher in valley cities on the northern slope of Tianshan Mountains. The valley city on the northern slope of Tianshan Mountains is located at the bottom of the valley, which is easy to produce inversion layer and make the air pollutants difficult to diffuse. The characteristics of urban layout make the air pollution in Fukang and Wusu be aggravated, while that of Bole be reduced. Moreover, the air pollutants carried by foreign air masses will aggravate the atmospheric NO₂ and SO₂ pollution of valley cities on the northern slope of Tianshan Mountains. The pollution degree of NO₂ and SO₂ in the urban air was different with different industrial types. The pollution degree of the city from heavy to light is the secondary industry > the tertiary industry > the primary industry.

Key words: the northern slope of Tianshan Mountains, valley city, vertical column concentration of NO₂, vertical column concentration of SO₂

中图分类号:

X831

闫晶洁, 李艳红, 马莹萍. 天山北坡河谷型城市大气NO₂和SO₂时空变化及影响因素分析[J]. 生态与农村环境学报, 2020, 36(10): 1268-1275.

YAN Jing-jie, LI Yan-hong, MA Ying-ping. Study on Temporal and Spatial Variation of Atmospheric NO₂ and SO₂ and Analysis of Influencing Factors in Valley-Type Cities on the Northern Slope of Tianshan Mountains[J]. Journal of Ecology and Rural Environment, 2020, 36(10): 1268-1275.

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天山北坡河谷型城市大气NO₂和SO₂时空变化及影响因素分析

Study on Temporal and Spatial Variation of Atmospheric NO₂ and SO₂ and Analysis of Influencing Factors in Valley-Type Cities on the Northern Slope of Tianshan Mountains

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