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Year-to-year Variability of the Vertical Temperature Structure in the Youngsan Estuary
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  • Journal title : Ocean and Polar Research
  • Volume 31, Issue 3,  2009, pp.239-246
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2009.31.3.239
 Title & Authors
Year-to-year Variability of the Vertical Temperature Structure in the Youngsan Estuary
Cho, Yang-Ki; Lee, Kyeong-Sig; Park, Kyung-Yang;
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 Abstract
Long-term observations were conducted between 1997 and 2002 to examine the variability of the vertical temperature structure in the Youngsan Estuary, southwest Korea, in summer. The observed hydrographic data revealed that the temperature minimum layer in the middle depth persisted through the entire summer of 2000 but was rarely observed in other years. The variability in the vertical structure might be affected by the air temperature during the previous winter and the density difference between the open sea and the estuary. In 2000, the air temperature in the previous winter was lowest and the horizontal density difference during summer was largest. The large horizontal density difference probably produced more active driving of warm water along the bottom, which would have intruded into the Youngsan Estuary. Furthermore, the cold previous winter would have provided a better condition for maintaining cold temperatures in the middle water layer for a longer period.
 Keywords
horizontal density difference;temperature minimum layer;vertical temperature structure;
 Language
English
 Cited by
1.
영산강 하구의 2011년 하계 홍수시 퇴적물이동 수치모의,방기영;김태인;송용식;이정현;김신웅;조재갑;김종욱;우승범;오재경;

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