Distribution characteristics of dissolved and particulate trace metals in Kwangyang Bay, Korea

광양만의 용존성 및 입자성 미량금속의 분포특성

  • Chin, Yong-Hyun (Chemical Oceanography Division, Korea Ocean Research & Development Institute) ;
  • Kim, Kyung-Tae (Chemical Oceanography Division, Korea Ocean Research & Development Institute) ;
  • Kim, Suk-Hyun (Chemical Oceanography Division, Korea Ocean Research & Development Institute) ;
  • Yang, Dong-Beom (Chemical Oceanography Division, Korea Ocean Research & Development Institute) ;
  • Hong, Gi-Hoon (Chemical Oceanography Division, Korea Ocean Research & Development Institute) ;
  • Lee, Kwang-Woo (Department of Earth & Marine Sciences, Hanyang University Ansan)
  • 진용현 (한국해양연구소 해양화학연구단) ;
  • 김경태 (한국해양연구소 해양화학연구단) ;
  • 김석현 (한국해양연구소 해양화학연구단) ;
  • 양동범 (한국해양연구소 해양화학연구단) ;
  • 홍기훈 (한국해양연구소 해양화학연구단) ;
  • 이광우 (한양대학교 지구해양과학과)
  • Published : 2000.12.30

Abstract

To study the distribution and the behavior of trace metals in Kwangyang Bay, surface water samples were collected four times from August 1997 to May 1998 and were analyzed for trace metals (Cd, Co, Cu, Fe, Ni, Pb, Zn) by Atomic Absorption Spectrometer and Inductively Coupled Plasma Mass Spectrometer. Dissolved Co and Fe concentrations were comparatively high near the Seomjin River mouth. Particulate trace metal contents were relatively high near the Sueochun River mouth and near the Yeochun industrial complex. Distribution coefficients ($K_d$; $Lkg^1$) between dissolved and particulate phases of Fe, Pb, Co, Zn, Ni, Cu and Cd were $1.67{\times}10^8$, $1.37{\times}10^6$, $7.25{\times}10^5$, $4.43{\times}10^5$, $1.39{\times}10^5$, $9.1{\times}10^4$ and $1.8{\times}10^4$, respectively. In Kwangyang Bay, particulate trace-metal concentrations were as high as dissolved ones and showed seasonal and geographic variations.

Keywords

References

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