Journal of Atmospheric and Environmental Optics, Volume. 19, Issue 3, 333(2024)
Influence of vehicle restriction on air quality in Xi'an and its model analysis
Figures & Tables(10)
Fig. 1. Statistical chart of average monthly change of AQI in Xi'an from 2016 to 2020
Fig. 2. Annual average change of pollutant mass concentration in Xi'an from 2016 to 2020
Fig. 3. Annual mean change of CO mass concentration in Xi'an from 2016 to 2020
Table 1. National traffic restriction management policy in major cities
View tableView in ArticleTable 1. National traffic restriction management policy in major cities
城市 开始时间 限行时段 限行方式 2020年汽车
保有量/(万辆)
北京 2008-07-20 工作日03:00―21:00 按尾号单双限行 603.20 南昌 2009-06-22 工作日07:00―21:00 按车牌尾号每周限行1天 127.40 长春 2010-05-04 每日06:00―21:00 按车牌尾号每月限行3天 207.00 兰州 2010-09-18 每日07:00―20:00 按车牌尾号每月限行6天 114.49 贵阳 2011-09-19 工作日07:00―20:00 按车牌尾号每周限行1天 190.00 杭州 2011-10-08 工作日高峰段 按车牌尾号每周限行1天 281.70 成都 2012-10-08 工作日07:30―20:00 按车牌尾号每周限行1天 545.70 西安 2016-11-04 工作日07:00―20:00 每日限行两个车牌尾号 373.60
Table 2. Xi'an motor vehicle restriction policy
View tableView in ArticleTable 2. Xi'an motor vehicle restriction policy
开始日期 结束日期 限行时间 限行方式 2016-11-04 2017-01-26 工作日07:00―20:00 每日限行两个车牌尾号 2017-11-20 2018-03-15 工作日07:00―20:00 每日限行两个车牌尾号 2018-04-16 2018-09-30 工作日07:00―20:00 每日限行两个车牌尾号 2019-03-18 2020-03-13 工作日07:00―20:00 每日限行两个车牌尾号 2020-11-16 ― 工作日07:00―20:00 每日限行两个车牌尾号
Table 3. Coefficient significance test
View tableView in ArticleTable 3. Coefficient significance test
Connected functions Parameter test of variable TR Parameter test of variable warm Gaussian distribution 0.01057 * < 2.2 × 10-16 *** Poisson distribution < 2.2 × 10-16 *** < 2.2 × 10-16 ***
Table 4. Poisson regression indexation table
View tableView in ArticleTable 4. Poisson regression indexation table
Variable name Value after indexation Intercept 3203.640441 TRyes 0.958764 Warmyes 1.555424 Spl (wind, e = 3) 0.905579 Spl (temperature, e = 3) 1.001163 Spl (humidity, e = 3) 0.998148 Spl (DATE, e = 3) 1.000000
Tools
Get Citation
Copy Citation Text
Tian HU, Chunhui LOU, Yarui WU. Influence of vehicle restriction on air quality in Xi'an and its model analysis[J]. Journal of Atmospheric and Environmental Optics, 2024, 19(3): 333
Paper Information
Category:
Received: Apr. 13, 2022
Accepted: --
Published Online: Jul. 17, 2024
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20