地理学报 ›› 2013, Vol. 68 ›› Issue (11): 1504-1512.doi: 10.11821/dlxb201311006
李名升, 张建辉, 张殷俊, 周磊, 李茜, 陈远航
收稿日期:
2013-05-28
修回日期:
2013-07-26
出版日期:
2013-11-20
发布日期:
2013-11-20
作者简介:
李名升(1981-),男,山东安丘人,博士,高级工程师,主要从事环境质量综合分析与评价研究。E-mail:lims@cnemc.cn
基金资助:
LI Mingsheng, ZHANG Jianhui, ZHANG Yinjun, ZHOU Lei, LI Qian, CHEN Yuanhang
Received:
2013-05-28
Revised:
2013-07-26
Online:
2013-11-20
Published:
2013-11-20
Supported by:
摘要: 为分析近10 年来中国PM10污染时空格局演变,运用统计学和GIS 方法对2002-2012 年PM10监测数据进行分析,结果表明:① 地级及以上城市ρ(PM10)年均值由0.130 mg·m-3下降至0.076 mg·m-3,达标城市比例由37.6%上升至92.0%;环保重点城市ρ(PM10)日均值超标天数比例由24.7%下降至7.0%。② 12 月份PM10污染最重,其次为1 月和11 月;8 月份污染最轻,其次为7 月和9 月。③ PM10的重污染区域明显减小,由集中连片分布变为零星点状分布。但空间格局未发生明显变化,北方尤其是西北、华北地区及山东、江苏、湖北一直是PM10污染相对严重地区。④ 北方地区PM10污染重于南方地区,两者的差异主要发生在北方采暖期(1-4 月及11-12 月)。⑤ PM10污染的改善主要体现在重污染城市的改善,1/10 左右的重污染城市对降低全国PM10平均浓度的贡献约占1/3,而清洁城市PM10污染则有加重趋势。⑥ 环保重点城市污染天气以轻度污染为主,占全部污染天数的80.4%。受沙尘天气影响,3、4 月份发生严重污染天气的比例较高。
李名升, 张建辉, 张殷俊, 周磊, 李茜, 陈远航. 近10年中国大气PM10污染时空格局演变[J]. 地理学报, 2013, 68(11): 1504-1512.
LI Mingsheng, ZHANG Jianhui, ZHANG Yinjun, ZHOU Lei, LI Qian, CHEN Yuanhang. Spatio-temporal pattern changes of ambient air PM10 pollution in China from 2002 to 2012[J]. Acta Geographica Sinica, 2013, 68(11): 1504-1512.
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