期刊
ATMOSPHERIC POLLUTION RESEARCH
卷 5, 期 1, 页码 161-169出版社
TURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP
DOI: 10.5094/APR.2014.020
关键词
Regulated pollutants; PM10; long term study; spatio-temporal variation; Korea
资金
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology (MEST) [2009-0093848]
In this study, ambient particulate matter pollution was investigated using monthly PM10 concentration data collected from seven major cities in Korea from 1996 to 2010. The highest mean value for the whole study period is seen from the capital city, Seoul (63.2 +/- 17.9 mu g m(-3)), while the lowest is from Ulsan (46.7 +/- 14.8 mu g m(-3)). The concentrations of PM10 in all cities exhibited seasonal variations with the peak values occurring consistently in spring (March or April). The PM10 data in each city consistently exhibited strong correlations (p<0.01) with gaseous pollutants (SO2, NO2, and CO), except for O-3 (p>0.05). The analysis of long term trends of PM10 levels indicates a weak but consistent decline in concentrations in most cities with the relative average annual reductions of between 0.4 and 2.8% y(-1).
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