Application of a variational inverse model to determine a wintertime circulation in the East Sea of Korea

By using a variational inverse model, a wintertime ocean circulation is obtained in the East Sea of Korea, bounded by transects of 34 and 38 degrees N lat., 132 degrees E long., and coastlines. The hydrographic data observed by FRDAK (Fisheries Research and Development Agency of Korea) are used for...

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Veröffentlicht in:Progress in oceanography 1988-01, Vol.21 (3-4), p.281-293
1. Verfasser: Suk, Moon-Sik
Format: Artikel
Sprache:eng
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Zusammenfassung:By using a variational inverse model, a wintertime ocean circulation is obtained in the East Sea of Korea, bounded by transects of 34 and 38 degrees N lat., 132 degrees E long., and coastlines. The hydrographic data observed by FRDAK (Fisheries Research and Development Agency of Korea) are used for determining the vertical structure and also used as data constraints. In the current study, the model was constrained only by the geostrophic balance and bottom topography. Preliminary model results showed that the vertical distributions of temperature in Feb. 1983 were homogeneous in the coastal region south of 35 degrees 30'N and that the extension of cold water mass along the eastern coast of Korea was noticed in the northern part of the study area. Meandering northward flows with a scale of 150 km are also observed to be dominant in the surface layer (10-100 m).
ISSN:0079-6611
DOI:10.1016/0079-6611(88)90008-0