Abstract
[ ]measurements were made at two coastal sites, i.e., Taean and Gangneung, for summer to examine the characterization of water-soluble organic carbon (WSOC) and inorganic ionic species, and to investigate their difference between the sites. The fractions of three major inorganic water-soluble components (, , and ) at Taean and Gangneung sites were 30.6% (16.2~62.0%) and 25.6% (13.0~52.5%) of the , respectively. is the most dominant species of water-soluble ions at both sites, accounting for up to 20.5% (9.1~44.9%) and 16.3% (5.5~34.2%) of their respective PM10 mass concentrations. Using the paired T-test, (p (p (p (p () and CO indicates that the slopes of /CO were 0.007 and 0.019 in the Taean and Gangneung sites, respectively. The smaller /CO slope in the Taean site could be related to the aged air with wet scavenging of during transport. The correlation between the concentrations of CO and WSOC suggests that WSOC observed in the Gangneung (
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