Variations of Current Path, Velocity, and Volume Transport of the Kuroshio in Relation with the Large Meander

Kawabe, Masaki

doi:10.1175/1520-0485(1995)025<3103:vocpva>2.0.co;2

Cited by 312 publications

(259 citation statements)

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“…They indicated that disturbances coming from the upstream of the Kuroshio induce instabilities and weaken the large meander by extracting cold waters from the cold cyclonic eddy of the meander. A similar process, shedding a cyclonic ring from the large meander, has also been pointed out by past observational and modeling studies [Kawabe, 1995;Miyazawa et al, 2004]. This mechanism is considered as a spindown mechanism of the cold cyclonic eddy associated with the large meander.…”

Section: Introductionsupporting

confidence: 56%

“…The large meander event that occurred in 1975 maintained for five years [e.g., Kawabe, 1995], which is much longer than the duration of the 2004/05 large meander. The observational study by Sekine et al [1985] presented the evolution of the cold cyclonic eddy associated with the large meander in 1975.…”

Section: Summary and Discussionmentioning

confidence: 99%

“…Kawabe [1995] indicated that detachments of a cyclonic ring from the large meander occurred during the large meander period in 1970s. Miyazawa et al [2004] demonstrated in an OGCM experiment that their simulated large meander pinched off a cyclonic ring and then shifted to a nNLM path.…”

Section: Extraction Of High-pv Water From the Cold Cyclonic Eddymentioning

confidence: 99%

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Decay mechanism of the 2004/05 Kuroshio large meander

Usui¹,

Tsujino²,

Nakano³

et al. 2011

J. Geophys. Res.

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Section: Introductionsupporting

confidence: 56%

Section: Summary and Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Decay mechanism of the 2004/05 Kuroshio large meander

Usui¹,

Tsujino²,

Nakano³

et al. 2011

J. Geophys. Res.

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“…The modelled SLA variability is greater than observations in the Kuroshio region around 137 • E. This region is where the Kuroshio Current transitions between a meandering phase, with an offshore excursion of the current before re-attaching to the coast, and a non-meandering phase, where the current flows along the coast (e.g. Kawabe, 1995;Qiu and Miao, 2000;Waseda et al, 2003). Observations indicate that transitions occur on timescales of several years (Qiu and Miao, 2000).…”

Section: Sla Comparisonsmentioning

confidence: 79%

Evaluation of a near-global eddy-resolving ocean model

et al. 2013

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Abstract. Analysis of the variability of the last 18 yr (1993)(1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012) of a 32 yr run of a new near-global, eddy-resolving ocean general circulation model coupled with biogeochemistry is presented. Comparisons between modelled and observed mean sea level (MSL), mixed layer depth (MLD), sea level anomaly (SLA), sea surface temperature (SST), and chlorophyll a indicate that the model variability is realistic. We find some systematic errors in the modelled MLD, with the model generally deeper than observations, which results in errors in the chlorophyll a, owing to the strong biophysical coupling. We evaluate several other metrics in the model, including the zonally averaged seasonal cycle of SST, meridional overturning, volume transports through key straits and passages, zonally averaged temperature and salinity, and El Niño-related SST indices. We find that the modelled seasonal cycle in SST is 0.5-1.5 • C weaker than observed; volume transports of the Antarctic Circumpolar Current, the East Australian Current, and Indonesian Throughflow are in good agreement with observational estimates; and the correlation between the modelled and observed NINO SST indices exceeds 0.91. Most aspects of the model circulation are realistic. We conclude that the model output is suitable for broader analysis to better understand upper ocean dynamics and ocean variability at mid-and low latitudes. The new model is intended to underpin a future version of Australia's operational short-range ocean forecasting system.

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“…The large and nonlarge meander paths persist from a few years to a decade [Kawabe, 1995]. Recently, the Kuroshio took the large meander path from summer 2004 to summer 2005 after a nonlarge meander period of 13 years.…”

Section: Introductionmentioning

confidence: 99%

The Kuroshio large meander formation in 2004 analyzed by an eddy‐resolving ocean forecast system

et al. 2008

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The recent formation of the Kuroshio large meander southeast of the Kii Peninsula during the period from May to July 2004 has been simulated successfully in an eddy‐resolving ocean forecast system (Japanese Coastal Ocean Predictability Experiment). The formation process was examined from the viewpoint of eddy‐Kuroshio interactions using sensitivity experiments that had various initial conditions for eddies in March and May 2004. We confirmed that the large meander does not occur when the trigger meander southeast of the Kyushu Island has small amplitude and that the cyclonic eddy on the offshore side of the Kuroshio contributes to the large meander formation. Our results show that the large amplitude of the trigger meander southeast of Kyushu Island in April 2004 was caused by downstream advection of anticyclonic eddies along the Kuroshio in the East China Sea from east of Taiwan. The results suggest that the successive westward propagation of strong anticyclonic eddies in the subtropical frontal region from 2003 to 2004 was the origin of the formation of the Kuroshio large meander south of Japan in summer 2004.

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Variations of Current Path, Velocity, and Volume Transport of the Kuroshio in Relation with the Large Meander

Cited by 312 publications

References 0 publications

Decay mechanism of the 2004/05 Kuroshio large meander

Decay mechanism of the 2004/05 Kuroshio large meander

Evaluation of a near-global eddy-resolving ocean model

The Kuroshio large meander formation in 2004 analyzed by an eddy‐resolving ocean forecast system

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