한국해양공학회:학술대회논문집 (Proceedings of the Korea Committee for Ocean Resources and Engineering Conference)
- 한국해양공학회 2004년도 학술대회지
- /
- Pages.285-289
- /
- 2004
동해 심층수의 수괴 안정성
Water Mass Stability of Deep Ocean Water in the East Sea
-
문덕수
(한국해양연구원 해양개발시스템연구본부) ;
-
정동호
(한국해양연구원 해양개발시스템연구본부) ;
- 신필권 (한국해양연구원 해양개발시스템연구본부) ;
-
김현주
(한국해양연구원 해양개발시스템연구본부)
-
Moon D.S.
(Ocean Development System Laboratory, KORDI / KRISO) ;
-
Jung D.H.
(Ocean Development System Laboratory, KORDI / KRISO) ;
- Shin P.K. (Ocean Development System Laboratory, KORDI / KRISO) ;
-
Kim H.J.
(Ocean Development System Laboratory, KORDI / KRISO)
- 발행 : 2004.05.01
초록
Oceanographic observation and qualitative analysis for deep ocean water in the East Sea were carried out from January 2003 to January 2004, in order to understand the characteristics of deep sea water in the East Sea. Temporal and spatial variation of water masses were discussed from survey of the study area including the coastal sea of Kwangwon province in where the polar front mixing cold and warm water masses were formed. On the basis of the vertical profiles of temperature, salinity and dissolved oxygen, water masses in the study area were divided into 5 major groups; (1) Low Saline Surface Water (LSSW) (2) Tsushima Surface water (TSW) (3) Tsushima Middle Water (TMW) (4) North Korea Cold Water (NKCW) and (5) East Sea Proper Water (ESPW). In winter, surface water in coastal sea of Kwangwaan Kosung region were dominated by North Korean Cold Water (NKCW). As Tsushima warm current were enforced in summer, various water masses were vertically emerged in study area, in order of TSW, TMW, NKCW and ESPW. It is highly possible that the LSSW which occurred at surface water of september is originated from influx of fresh water due to the seasonal rainy spell. Nevertheless water masses existed within surface water were seasonally varied, water quality characteristics of East Sea Proper Water (ESPW) under 300 m did not changed all the seasons of the year.