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Bifurcation current along the southwest coast of the Kii Peninsula

Authors
  • Takeuchi, Junichi1
  • Honda, Naoto2
  • Morikawa, Yoshitaka2
  • Koike, Takashi2
  • Nagata, Yutaka3
  • 1 Wakayama Prefectural Fisheries Experimental Station, 1551 Kushimoto-cho, Nishimuro-gun, Wakayama, 649-35, Japan , Wakayama
  • 2 Mie University, Faculty of Bioresources, 1515 Kamihama-cho, Tsu-shi, Mie, 514, Japan , Mie
  • 3 Marine Information Research Center, 7-15-4 Ginza, Chuo-ku, Tokyo, 104, Japan , Tokyo
Type
Published Article
Journal
Journal of Oceanography
Publisher
Springer Netherlands
Publication Date
Jan 01, 1998
Volume
54
Issue
1
Pages
45–52
Identifiers
DOI: 10.1007/BF02744380
Source
Springer Nature
Keywords
License
Yellow

Abstract

Along the southwest coast of the Kii Peninsula, a bifurcation current is regularly observed. By using ADCP data taken on board the R/V Wakayama of the Wakayama Prefectural Fisheries Experimental Station, characteristics of this bifurcation current are analyzed. The occurrence frequency of the bifurcation current reaches about 70% in the period from 1988 to 1996. The bifurcation point appears to be changeable and occurs almost evenly between Cape Ichie and Cape Shionomisaki. The current divergence in the alongshore direction was also investigated. Positive divergence values dominated in the whole analyzed area, and an onshore current appears to be dominant along the southwest coast of the Kii Peninsula, except in 1990 when the Kuroshio flowed in a large meandering path.

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