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ISPRS Int. J. Geo-Inf. 2017, 6(1), 2; doi:10.3390/ijgi6010002

Pattern of Spatial Distribution and Temporal Variation of Atmospheric Pollutants during 2013 in Shenzhen, China

1
College of Geomatics, Shandong University of Science and Technology, Qingdao 266590, China
2
State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3
Shenzhen Environmental Monitoring Center, Shenzhen 518034, China
*
Author to whom correspondence should be addressed.
Academic Editors: Yichun Xie, Xinyue Ye and Wolfgang Kainz
Received: 2 November 2016 / Revised: 8 December 2016 / Accepted: 19 December 2016 / Published: 23 December 2016
(This article belongs to the Special Issue Spatiotemporal Computing for Sustainable Ecosystem)
View Full-Text   |   Download PDF [7777 KB, uploaded 23 December 2016]   |  

Abstract

Air pollution caused by atmospheric particulate and gaseous pollutants has drawn broad public concern globally. In this paper, the spatial-temporal distributions of major air pollutants in Shenzhen from March 2013 to February 2014 are discussed. In this study, ground-site monitoring data from 19 monitoring sites was used and spatial interpolation and spatial autocorrelation methods were applied to analyze both spatial and temporal characteristics of air pollutants in Shenzhen City. During the study period, the daily average concentrations of Particulate Matter (PM10 and PM2.5) ranged from 16–189 μg/m3 and 10–136 μg/m3, respectively, with 13 and 44 over-limit days, indicating that particulate matter was the primary air pollutant in Shenzhen. The highest PM occupation in the polluted air was observed in winter, indicating that fine particulate pollution was most serious in winter. Meanwhile, seasonal agglomeration patterns for six kinds of air pollutants showed that Guangming, Baoan, Nanshan, and the northern part of Longgang were the most polluted areas and PMs were their primary air pollutants. In addition, wind scale and rainfall played an important role in dissipating air pollutant in Shenzhen. The wind direction impacted the air pollution level in Shenzhen in multiple ways: the highest concentrations for all air pollutants all occurred on days with a northeast wind; the second highest ones appeared on the days with no wind. The concentrations on days with north-related winds are higher on average than those of days with south-related winds. View Full-Text
Keywords: air pollutant; air quality index (AQI); seasonal variations; spatial autocorrelation; spatial-temporal pattern air pollutant; air quality index (AQI); seasonal variations; spatial autocorrelation; spatial-temporal pattern
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Xia, X.; Qi, Q.; Liang, H.; Zhang, A.; Jiang, L.; Ye, Y.; Liu, C.; Huang, Y. Pattern of Spatial Distribution and Temporal Variation of Atmospheric Pollutants during 2013 in Shenzhen, China. ISPRS Int. J. Geo-Inf. 2017, 6, 2.

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