Moisture Transport Observed by Water Vapor Isotopes in the Vicinity of Coastal Area, Incheon, Korea

수증기안정동위원소를 이용한 해안지역 수분의 이동경로에 관한 연구

  • 이정훈 (이화여자대학교 과학교육과) ;
  • 최희진 (극지연구소 극지지구시스템연구부) ;
  • 오진만 (KNJ 엔지니어링(주)) ;
  • 나운성 (극지연구소 극지지구시스템연구부) ;
  • 곽호제 (인하대학교 해양학과) ;
  • 허순도 (극지연구소 극지지구시스템연구부)
  • Received : 2013.04.10
  • Accepted : 2013.08.18
  • Published : 2013.08.28


Water vapor isotopes can be excellent tools for understanding complex mechanisms in the water cycle and atmospheric hydrological cycle and they can be applied to various fields of paleoclimatology, atmospheric science, hydrogeology, oceanography, and ecohydrology. Thus, studies of global or local transport of water vapor may be able to provide a very useful clue to better understand the movements of water and energy in the atmosphere, hydrosphere and biosphere. In this study, the isotopic compositions of water vapor have been observed for moisture transport during the passage of Typhoon Bolaven at Korea Polar Research Institute (KOPRI), Incheon, in the western part of Korea, from August 27 to August 29, 2012. In the clear sky, the isotopic compositions of water vapor at KOPRI exhibited relatively higher isotopic ratios, which were near isotopic equilibrium with sea surface water (${\delta}^{18}O$=-14‰). On the other hand, a largely depleted isotopic ratios in surface water vapor were observed in association with the passage of Typhoon Bolaven (approximately 10‰ depleted compared to the clear sky). The fact that the isotopic minima in water vapor are encountered during the onset period of the Typhoon Bolaven with increases of relative humidity, which is consistent with, so called, "the amount effect".


stable water isotopes;transport of water vapor;the Typhoon Bolaven


Supported by : 극지연구소


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