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Understanding of the East (Japan) Sea Circulation by using Altimeter, Argo and SST

Young Jae Ro(1) , Eung Kim(2) , and Yong Hoon Youn(3)

(1) Chungnam Natl. Univ., Korea, Yusung-ku, Kung-dong 220, 305-764, Korea
(2) Chungnam Natl. Univ., Yusung-ku, Kung-dong 220, 305-764, Taejon, Korea
(3) Meteorology Research Institute, KMA , Shindaebang-dong, 460-18, KMA, 156-720, Seoul, Korea


The East (Japan) Sea has been drawing keen attentions to its surface circulation feature as well as to vertical ventilation processes. Since mid 90’s, the East Sea was recognized as ‘Miniature Ocean’ suitable for studying global warming problems in relatively smaller time and space scales compared to open ocean water.

In this study, various datasets such as satellite altimeter and AVHRR image data (SSH and SST) at the sea surface and Argo Float Profiles (AFP) in the subsurface layer are utilized in understanding the circulation patterns and other dynamic processes such as meso-scale warm eddy generation and subpolar frontal meandering. Any single dataset alone can not provide enough information for the complicated circulation features in the East Sea. Hydrographic features captured by AFP such as meso-scale eddies, cold water sinking and major boundary currents will be illuminated and compared to historical and climotological dataset.

Thus we focus on the integrated approach using all the available datasets along with numerical modeling of the circulation in the East Sea based on POM_ES.


Full paper

Workshop poster


                 Last modified: 07.10.03