Identification of air quality affinity areas in Birmingham, UK
Identification of air quality affinity areas in Birmingham, UK
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英国伯明翰空气质量亲和区的识别
DOI：
10.1016/0143-6228(95)00031-3
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发表时间：
1996
影响因子：
4.9
通讯作者：
G. McGregor
中科院分区：
文献类型：
--
作者：
G. McGregor
介绍了空气质量亲和区的概念。一个时空数据集，包括每日二氧化硫（SO2）浓度为571天的时间和17站网络进行了分析，使用主成分和聚类分析，以建立是否存在空气质量亲和区伯明翰，英国第二大城市地区。结果显示，存在四个空气质量亲和区，反映了这些地区的土地利用的性质。空气质量的亲和力区域是不同的，在其规模，频率和SO2污染事件的发病时间。还研究了94天冬季SO2浓度的时空格局。冬季SO2平均浓度的4种时空分布模式分别为：全区域浓度高于平均值、全区域浓度低于平均值和两种浓度高于和低于平均值的交替模式。结论表明，空气质量亲和区为大城市空气质量管理区的规划提供了一个合适的空间框架。
The paper introduces the concept of air quality affinity areas. A spatio-temporal data set comprising daily sulphur dioxide (SO2) concentrations for a 571-day period and a 17-station network was analysed using principal components and cluster analyses in order to establish whether air quality affinity areas exist for Birmingham, the UK's second largest urban area. Results revealed the existence of four air quality affinity areas which reflect the nature of land use in these areas. The air quality affinity areas are distinct in terms of their magnitude, frequency and timing of onset of SO2pollution events. Spatio-temporal patterns of SO2concentrations for a 94-day winter period were also investigated. Four spatiotemporal patterns in relation to average winter SO2concentrations were identified: region-wide above-average concentrations, region-wide below-average concentrations and two alternating patterns of above- and below-average concentrations for three of the four air quality affinity areas. The conclusion suggests that air quality affinity areas provide a suitable spatial framework for the planning of air quality management zones in large urban areas.