Development and evaluation of a scheme system of joint prevention and control of PM2.5 pollution in the Yangtze River Delta region, China
Development and evaluation of a scheme system of joint prevention and control of PM2.5 pollution in the Yangtze River Delta region, China
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长三角地区PM2.5污染联防联控方案体系开发与评估
DOI：
10.1016/j.jclepro.2020.122756
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发表时间：
2020-12
影响因子：
11.1
通讯作者：
Li Li
中科院分区：
文献类型：
--
作者：
Wang Yangjun;Liu Ziyi;Huang Ling;Lu Guibin;Gong Youguo;Yaluk Elly;Li Hongli;Yi Xin;Yang Liumei;Feng Jialiang;Ivey Cesunica;Li Li
尽管近年来为减少PM2.5污染做了很多努力，但东中国仍有许多城市未达到国家标准。如何与周边城市合作降低PM2.5一直是所有未达标城市面临的关键问题。提出了基于数据挖掘技术开发实用的PM2.5污染联防联控方案体系的框架。在此基础上，构建了长三角地区的具体方案体系，并用五个指标对其进行了评价。结果表明，除夏季有两个等级外，方案系统根据污染程度分为三个等级。PM2.5污染越重，推荐实施的等级越高，等级越低。此外，冬季每个年级涉及的城市群比其他任何季节都多。冬季一级城市群中，徐州、宿迁城市群联合控制排放最迫切；苏州、上海城市群对健康影响最大，综合指标中，南京、常州城市群排在首位。这些结果不仅丰富了对城市群中PM2.5控制的重要性的理解，而且通过与该地区最相关的城市合作，加速了所有未达标城市的PM2.5减排。
Although many efforts have been done to reduce PM2.5pollution in recent years, there are still many nonattainment cities in East China for national standards. How to collaborate with surrounding cities to reduce PM2.5has been a critical issue for all nonattainment cities. In this work, a framework of developing a practical scheme system of joint prevention and control of PM2.5pollution based on data mining technologies was presented. Moreover, one specific scheme system for Yangtze River Delta region was developed and evaluated by five indicators. The results indicate that the scheme system was divided into three grades depending on pollution levels except for summer with two grades. The heavier the PM2.5pollution was, the higher the grade was recommended to be implemented along with low grades. Moreover, more city-clusters were involved in each grade in winter than any other season. For Grade one in winter, the city-cluster with Xuzhou and Suqian was the most urgent to control emission jointly; the city-cluster with Suzhou and Shanghai was linked to the biggest impact on health, but for integrated indicator, the city-cluster with Nanjing and Changzhou ranked first. These results not only enable an enriched understanding of the significance of PM2.5control in city-clusters, but also accelerate PM2.5reduction for all nonattainment cities by collaboration with their most correlated cities in this region.
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DOI：
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发表时间：
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期刊：
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