한국수산과학회

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  • pISSN : 2234-8395
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  • eISSN : 2234-1757

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kfas, vol. 51, no. 2, pp.187-198, April, 2018
DOI. https://doi.org/10.5657/KFAS.2018.0187

Formation and Distribution of Low Salinity Water in East Sea Observed
from the Aquarius Satellite
Aquarius 염분 관측 위성에 의한 동해 저염수의 형성과 유동 연구

이동규*
부산대학교 자연과학대학 해양학과

The monthly salinity maps from Aquarius satellite covering the entire East Sea were produced to analyze the low-salinity
water appearing in fall every year. The low-salinity water in the northern East Sea began to appear in May-June,
spreading southward along the coast and eastward north of the subpolar front. Low-salinity water from the East China
Sea entered the East Sea through the Korea Strait from July to September and was mixed with low-salinity water from
the northern East Sea in the Ulleung Basin. The strength of the low-salinity water from the East China Sea was dependent
on the strength of the southerly wind of the East China Sea in July-August. The salinity reaches a minimum in
September with a distribution parallel to the latitude of 37.5°N. In October, low salinity water is distributed along
the mean current path and subpolar front and the entire East Sea is covered with the low salinity water in November.
Water with salinity larger than 34 psu starts to flow into the East Sea through the Korea Strait in December and
it expands gradually northward up to the subpolar front in January- February.

Keyword : Aquarius, Low salinity water, East Sea, Changjiang Diluted Water

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