동계 황해입구에서 해양전선순환

Abstract

During the wintertime monsoon, a tongue-shaped thermohaline front is established at the Yellow Sea (YS) entrance where the Cheju Warm Current (CWC) water, originating in the Kuroshio, and the YS cold water meet together. The frontal circulation as well as frontal structure has been investigated by analyzing comprehensive CTD data, float tracks, and current data. The front develops by the westward advance of the CWC water, but it is bounded by the shallow Changjiang Banks (CB). In the northern part of the tongue-shaped frontal zone, isotherms, isohalines and isopycnals are downward declined toward the north. A cyclonic circulation along the front is formed, which consists of a westward transversal current (TC) along 34° N and a southeastward outflow along the 50-m isobath of the CB. The new observational findings of the cyclonic circulation and the TC do not match the classical paradigm of a northerly wind-driven circulation which consists of the northward inflow through the central trough and the southward outflow on the coastal sides.tion as well as frontal structure has been investigated by analyzing comprehensive CTD data, float tracks, and current data. The front develops by the westward advance of the CWC water, but it is bounded by the shallow Changjiang Banks (CB). In the northern part of the tongue-shaped frontal zone, isotherms, isohalines and isopycnals are downward declined toward the north. A cyclonic circulation along the front is formed, which consists of a westward transversal current (TC) along 34° N and a southeastward outflow along the 50-m isobath of the CB. The new observational findings of the cyclonic circulation and the TC do not match the classical paradigm of a northerly wind-driven circulation which consists of the northward inflow through the central trough and the southward outflow on the coastal sides.