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동해중층수의 일반적인 분포 특성

General Characteristics of the East Sea Intermediate Water

  • 신창웅 (한국해양연구원 해양환경연구본부) ;
  • 변상경 (한국해양연구원 해양환경연구본부) ;
  • 김철수 (한국해양연구원 해양환경연구본부) ;
  • 이재학 (한국해양연구원 해양환경연구본부) ;
  • 김봉채 (한국해양연구원 해양환경연구본부) ;
  • 황상철 (한국해양연구원 해양환경연구본부) ;
  • 승영호 (인하대학교 자연과학대학 해양과학과) ;
  • 신홍렬 (공주대학교 자연과학대학 대기과학과)
  • 발행 : 2007.03.31

초록

To obtain the overall distribution patterns and characteristics of the East Sea Intermediate Water (ESIW), the historical data obtained by the Japan Maizuru Marine Observatory (MMO) and the Korea Ocean Research and Development Institute (KORDI) were analyzed. To obtain water characteristics of the ESIW on isopycnal surfaces, temperature, salinity and dissolved oxygen were interpolated at every 0.01 interval of potential density. And then the interpolated values were averaged at the same potential density. This potential density average method preserved the salinity minimum layer more clearly compared to the depth average method. The potential density(${\sigma}_{\theta}$) range of the ESIW was $26.9{\sim}27.3$. The representative potential density of the ESIW was found to be 27.2, because the characteristics of the ESIW was clear at this density. From the horizontal distributions of physical properties on the isopycnal surface of $27.2{\sigma}_{\theta}$ it is suggested that the low salinity ESIW circulates anticlockwise over the whole basin with the high salinity intermediate water. The low salinity intermediate water extended from the northwestern part to the east along the sub-polar front and to the Ulleung Basin along the east coast of Korea.

키워드

참고문헌

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피인용 문헌

  1. Seasonal variations in the low-salinity intermediate water in the region south of sub-polar front of the East Sea (Sea of Japan) vol.48, pp.1, 2013, https://doi.org/10.1007/s12601-013-0003-4
  2. Biological modulation in the seasonal variation of dissolved oxygen concentration in the upper Japan Sea pp.1573-868X, 2018, https://doi.org/10.1007/s10872-018-0497-6