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KMID : 1024520150240060785
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Journal of the Environmental Sciences
2015 Volume.24 No. 6 p.785 ~ p.792
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Weekday/weekend Chemical Characteristics of Water-Soluble Components of PM10 at Busan in Springtime
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Jeon Byung-Il
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Abstract
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This study investigates weekday/weekend characteristics of PM10 concentration and chemical composition of water-soluble ions in Busan in the spring of 2013. Contribution rate of water-soluble ions to PM10 concentration in weekday/weekend were 41.5% and 38.5%, respectively. Contribution rate of SO4
2- to total ion mass in weekday/weekend were 30.4% and 33.8%, respectively. Contribution rate of total inorganic water-soluble ions in PM10 in weekday/weekend were 42.2% and 39.1%
(mean 41.4%), respectively. [NO3-/SO42-] ratio in weekday/weekend were 1.01 and 0.97(mean 0.99), respectively, which
indicated that weekday ratio was higher. Contribution rate of sea salts and Cl-
/Na+ ratio in PM10 in weekday/weekend were 8.1% and 7.6%, 0.37% and 0.41%, respectively. This research will help understand chemical composition of water-soluble ions during the weekday/weekend and will be able to measure the contribution level of artificial anthropogenic source on urban air.
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KEYWORD
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Weekday/weekend, PM10 concentration, Water-soluble ion
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