测绘通报 ›› 2021, Vol. 0 ›› Issue (10): 39-47.doi: 10.13474/j.cnki.11-2246.2021.303

• 黄河流域生态保护 • 上一篇    下一篇

2015—2019年冬季黄河流域中游大气污染物空间分布特征

王维思1,2, 马清霞1, 张建辰1, 李广佳3   

  1. 1. 河南大学地理与环境学院黄河中下游数字地理技术教育部重点实验室(河南大学), 河南 开封 475004;
    2. 河南省生态环境监测中心, 河南 郑州 450000;
    3. 河南大学民生学院, 河南 开封 475004
  • 收稿日期:2021-06-08 出版日期:2021-10-25 发布日期:2021-11-13
  • 通讯作者: 马清霞。E-mail:mqx@henu.edu.cn
  • 作者简介:王维思(1981-),男,工程师,研究方向为大气复合型污染成因与来源。E-mail:51666434@qq.com

Spatial distribution of air pollutants in the middle reaches of the Yellow River Basin in winter 2015-2019

WANG Weisi1,2, MA Qingxia1, ZHANG Jianchen1, LI Guangjia3   

  1. 1. Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions(Henan University), Ministry of Education, College of Geography and Environmental Science, Henan University, Kaifeng 475004, China;
    2. Henan Ecological and Environmental Monitoring Center, Zhengzhou 450000, China;
    3. Henan University Minsheng College, Kaifeng 475004, China
  • Received:2021-06-08 Online:2021-10-25 Published:2021-11-13

摘要: 本文基于2015—2019年冬季黄河流域中游地区(山西段和陕西段)6种大气污染物的浓度数据,研究了黄河流域中游冬季大气污染物的变化特征。研究结果表明,2015—2019年黄河流域中游地区,PM10和CO浓度持续降低,O3浓度持续升高,PM2.5、SO2及NO2平均浓度呈先上升后下降的规律。2019年主要污染物NO2、CO、PM2.5、PM10及SO2浓度均最低;2019年冬季O3平均浓度达到最高(54μg/m3)。研究地区下游的PM2.5浓度高于上游,且沿黄河由北向南其浓度逐渐增加,黄河东侧山西段的PM2.5浓度高于西侧陕西段。研究区域PM10污染浓度由2015—2016年的黄河东侧高西侧低转变为2017—2019年上游低下游高的分布特征。SO2浓度呈黄河东岸比西岸高的分布。NO2高值区域从2015—2017年黄河西侧下游地区变为2018—2019年中上游地区;CO平均浓度高值区域位于黄河东侧下游地区;O3浓度空间分布特征不明显,但近5年浓度大幅增加,需要加强对臭氧的防控。

关键词: 黄河流域中游地区, 大气污染物, 空气质量, 时空分布

Abstract: Based on the six air pollutants concentrations in the middle reaches of the Yellow River Basin (Shanxi section and Shaanxi section) in the winter of 2015-2019, this paper studies the variation characteristics of air pollutants in the middle reaches of the Yellow River Basin in winter. The results show that the concentrations of PM10 and CO in the middle reaches of the Yellow River Basin decrease continuously from 2015 to 2019, and the O3 concentration continues to increase, and the average concentrations of PM2.5, SO2 and NO2 increase firstly and then decrease. The concentrations of NO2, CO, PM2.5, PM10 and SO2 are the lowest in 2019. The average concentration of O3 is the highest in winter of 2019 (54 μg/m3). The concentration of PM2.5 in the lower reaches of the study area is higher than that in the upper reaches, and gradually increases from north to south along the Yellow River. The concentration of PM2.5 in the Shanxi section of the east side of the Yellow River is higher than that in the Shaanxi section of the west side. The spatial distribution of PM10 concentration in the study area changes from high in the East and low in the west of the Yellow River in 2015-2016 to low in the upstream and high in the downstream in 2017-2019. The concentration of SO2 in the east bank of the Yellow River is higher than that in the west bank. The high NO2 value region change from the lower west of the Yellow River in 2015-2017 to the middle and upper reaches of the Yellow River in 2018-2019. The high CO concentration area is located in the lower reaches of the east side of the Yellow River. The spatial distribution of O3 concentration is not obvious, but the concentration increases significantly in recent five years. So we need to strengthen the monitoring and prevention of ozone in the future.

Key words: middle reaches of the Yellow River, air pollutants, air quality, spatio-temporal distribution

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