中国夜间灯光指数与PM2.5的时空相关性分析

doi:10.14088/j.cnki.issn0439-8114.2020.13.014

湖北农业科学 ›› 2020, Vol. 59 ›› Issue (13): 54-60.doi: 10.14088/j.cnki.issn0439-8114.2020.13.014

中国夜间灯光指数与PM2.5的时空相关性分析

王桂林, 高昉, 逯改, 王世燕, 李日升

上海城建职业学院城市发展研究中心,上海 200438

收稿日期:2019-11-08 出版日期:2020-07-10 发布日期:2020-09-03
通讯作者: 逯改(1978-),女 ,河南南阳人,副教授,博士,主要从事马克思主义和城市问题研究,(电子信箱)lugai7811@163.com。
作者简介:王桂林(1986-),女,江西上饶人,助理研究员,博士,主要从事城市生态环境研究, (电话) 18001862089(电子信箱)kawgl@126.com。
基金资助:
国家高技术研究发展计划项目(2012AA121402); 上海城建职业学院重点项目(ejjkyz201705); 上海城建职业学院青年项目(cjqn201901)

Spatial and temporal relationship between China’s nighttime light index and PM2.5

WANG Gui-lin, GAO Fang, LU Gai, WANG Shi-yan, LI Ri-sheng

City Development Research Center, Shanghai Urban Construction Vocational College, Shanghai 200438, China

Received:2019-11-08 Online:2020-07-10 Published:2020-09-03

摘要/Abstract

摘要： 运用夜间灯光指数表征城市化水平,进而探索城市化进程对PM2.5污染的影响机制,分析二者的时空关系。结果表明,2000年中国夜间灯光指数为7.49%,2010年增长至11.05%,2015年增长至16.21%,夜间灯光指数呈快速增长趋势;2000年PM2.5质量浓度为32.10 μg/m³,2010年增长至37.54 μg/m³,2015年为37.44 μg/m³,PM2.5质量浓度与夜间灯光指数增长趋势保持一致。基于405个城市区域统计数据,2000年夜间灯光指数为22.48%,2010年增长至48.11%,2015年增长至62.78%,增长率为179.27%,是全国的1.54倍;2000年PM2.5质量浓度为28.99 μg/m³,2010年增长至53.51 μg/m³,2015年增长至58.53 μg/m³,增长率为101.90%,是全国平均水平的6.12倍。城市区域夜间灯光指数和PM2.5污染的增长均显著高于非城市区域,二者呈显著正相关（R²=0.582 8）。研究表明中国城市化进程,尤其是粗放式经济发展对城市空气污染的影响巨大,直接加剧了PM2.5污染。

关键词: 城市扩张, 夜间灯光指数, PM2.5污染, 时空关系

Abstract: Nighttime light index was taken as a measurable spatial index to represent the level of urbanization, and its impact on PM2.5 pollution was explored, meanwhile the spatial and temporal relationship between them was analyzed. The results showed that China’s nighttime light index increased from 7.49% in 2000 to 11.05% in 2010 and 16.21% in 2015, showing a rapid growth trend. Accordingly, the concentration of PM2.5 increased from 32.10 μg/m³ in 2000 to 37.54 μg/m³ in 2010 and 37.44 μg/m³ in 2015. The growth trend of the two was highly consistent. Based on 405 typical urban areas, the nighttime light index increased from 22.48% in 2000 to 48.11% in 2010 and 62.78% in 2015, with growth rate of 179.27%, 1.54 times of the national average. The PM2.5 concentration in 405 typical cities increased from 28.99 μg/m³ to 53.51 μg/m³ in 2010 and 58.53 μg/m³ in 2015, with growth rate of 101.90%, 6.12 times of the national average. The increase of nighttime light index and PM2.5 pollution in typical urban areas was significantly higher than that in non-urban areas, with a significant positive correlation （R²=0.582 8）. Research shows that China’s urbanization process, especially economic development, has a huge impact on urban air pollution, directly exacerbating PM2.5 pollution.

Key words: urban expansion, nighttime light index, PM2.5 pollution, spatial and temporal relationship

中图分类号:

X513

王桂林, 高昉, 逯改, 王世燕, 李日升. 中国夜间灯光指数与PM2.5的时空相关性分析[J]. 湖北农业科学, 2020, 59(13): 54-60.

WANG Gui-lin, GAO Fang, LU Gai, WANG Shi-yan, LI Ri-sheng. Spatial and temporal relationship between China’s nighttime light index and PM2.5[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(13): 54-60.

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中国夜间灯光指数与PM2.5的时空相关性分析

Spatial and temporal relationship between China’s nighttime light index and PM2.5

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