Decadal seesaw of the Central and Subtropical Mode Water formation associated with the Kuroshio Extension variability

Eitarou Oka, Bo Qiu, Shinya Kouketsu, Kazuyuki Uehara, Toshio Suga

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Available Argo profiling float data from 2002 to 2011 were analyzed to examine the effect of the Kuroshio Extension (KE) current system variability on the formation of the Central Mode Water. Just north of the upstream portion of the KE at 140-152°E, formation of a lighter variety of the Central Mode Water in winter was active during the unstable period of the upstream KE in 2006-2009 and was reduced when the upstream KE was in the stable period of 2002-2005 and 2010-2011. This decadal formation variability is out of phase with that of the Subtropical Mode Water just south of the KE.

Original languageEnglish
Pages (from-to)355-360
Number of pages6
JournalJournal of Oceanography
Volume68
Issue number2
DOIs
Publication statusPublished - 2012 Apr 1

Keywords

  • Decadal variability
  • Kuroshio Extension
  • Mesoscale eddies
  • Mode waters
  • North Pacific

ASJC Scopus subject areas

  • Oceanography

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