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Abnormal Oceanic Conditions Caused by Typhoons Around the Korean Peninsula

태풍에 의해 발생하는 한국근해 해황이상변동

  • SUH Young-Sang (Oceanography Division, National Fisheries Research and Development Institute) ;
  • GU Ji-Young (Oceanography Division, National Fisheries Research and Development Institute) ;
  • HWANG Jae-Dong (Oceanography Division, National Fisheries Research and Development Institute) ;
  • LEE Na-Kyung (Oceanography Division, National Fisheries Research and Development Institute) ;
  • KIM Bok-Kee (Oceanography Division, National Fisheries Research and Development Institute) ;
  • JANG Lee-Hyun (Oceanography Division, National Fisheries Research and Development Institute) ;
  • KANG Yong-Q (Department of Oceanography, Pukyong National University) ;
  • LEE Dong-In (Department of Environmental and Atmospheric Sciences, Pukyong National University)
  • 서영상 (국립수산과학원 해양연구과) ;
  • 구지영 (국립수산과학원 해양연구과) ;
  • 황재동 (국립수산과학원 해양연구과) ;
  • 이나경 (국립수산과학원 해양연구과) ;
  • 김복기 (국립수산과학원 해양연구과) ;
  • 장이현 (국립수산과학원 해양연구과) ;
  • 강용균 (부경대학교 해양학과) ;
  • 이동인 (부경대학교 환경대기과학과)
  • Published : 2003.08.01

Abstract

Abnormal oceanic conditions associated with the passage of typhoons are examined using hydrographic and satellite data 1990-2002. During the passage period of typhoons in the Korean waters, an abrupt decrease of sea surface temperature (SST) in range of 5 to $8^{\circ}C$ was observed. The areas of SST decrease were an order of 100-200 km, and the low SST lasted about 15-25 days after passage of typhoon. After passage of typhoon, the water temperatures in the surface mixed layer of 30 m show negative anomalies for quite a long period. In addition, stratification parameters were substantially decreased and chlorophyll a density was rapidly increased.

Keywords

References

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