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Characterization of Chemical Properties of Precipitation at Busan, Korea, 2009

2009년 부산지역 강수의 화학적 특성

  • Jung, Woon-Seon (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Park, Sung-Hwa (Interdisciplinary Program of Earth Environmental Engineering, Pukyong National University) ;
  • Kang, Deok-Du (Interdisciplinary Program of Earth Environmental Engineering, Pukyong National University) ;
  • Lee, Dong-In (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Kim, Dongchul (Universities Space Research Association (USRA))
  • 정운선 (부경대학교 환경대기과학과) ;
  • 박성화 (부경대학교 지구환경공학연협동과정) ;
  • 강덕두 (부경대학교 지구환경공학연협동과정) ;
  • 이동인 (부경대학교 환경대기과학과) ;
  • 김동철
  • Received : 2013.05.24
  • Accepted : 2013.09.09
  • Published : 2014.01.31

Abstract

The seasonal variation of pH and ion components in precipitation were investigated from January to December 2009 at Busan, Korea. The precipitation was acidic with a volume-weighted mean pH concentration of 5.32, which ranged from 3.79 to 8.66. The volume-weighted mean conductivity showed 86.77 ${\mu}S/cm$ and indicated higher concentration about 96.69 ${\mu}S/cm$ in summer. The volume-weighted mean equivalent concentration of components followed the order: $K^+$ > $Ca^{2+}$ > $nss-Ca^{2+}$ > $NH_4^+$ > $Mg^{2+}$ > $Na^+$ > $Li^+$ in cations and $Cl^-$ > $SO_4^{2-}$ > $nss-SO_4^{2-}$ > $NO_3^-$ > $NO^{2-}$ > $F^-$ > $Br^-$ in anions. Particularly, concentration of $K^+$ and $Cl^-$ showed 56 and 78 % in cations and anions. The higher concentration in $K^+$, $Na^+$, $Mg^{2+}$ and $Cl^-$ were shown in Busan city as compared to the other cities. The neutralization factors have been found to have higher value for potassium ion in winter compared with different seasons, indicating significant neutralization of acidic components over the region by potassium. Therefore, the precipitation characteristics at Busan had both continental and coastal as consequence of pH, conductivity and ionic analyses.

Keywords

Precipitation;pH;Electric conductivity;Ionic components

Acknowledgement

Supported by : 국제과학기술협력재단

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Cited by

  1. Chemical Properties of Precipitation in Related to Wind Direction in Busan, Korea, 2009 vol.35, pp.2, 2014, https://doi.org/10.5467/JKESS.2014.35.2.104