Downstream transition of the Tsushima Current west of Kyushu in summer

Katoh, Osamu; Teshima, Kazuyuki; Kubota, K.; Tsukiyama, Kazuo

doi:10.1007/bf02236534

Cited by 26 publications

(13 citation statements)

References 4 publications

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“…Some reports indicate the existence of a clockwise current near Kyusyu Island (e.g., Lie & Cho 2002;Katoh et al 2004); this clockwise current was considered a branch of the Tsushima Current in their schematic circulation maps (Lie & Cho 2002;Katoh et al 2004). Katoh et al (1996) clarified the current structures in this area and observed the clockwise bifurcation of the Tsushima Current that flows southward near the west coast of Goto Islands in July and September 1990, although it is unclear whether the bifurcation occurs steadily or intermittently. Nakamura et al (1988) observed the east-southeast flow of the current at a depth of 50 m in the middle area near the continental shelf edge, south off Goto Islands from July to September in 1985.…”

Section: Surface Driftersmentioning

confidence: 96%

Distribution and dispersal of the early larval stages of the Japanese spiny lobsterPanulirus japonicusin the East China Sea

Yoshimura¹,

Morinaga

Oshimo

et al. 2009

New Zealand Journal of Marine and Freshwater Research

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The annual distribution and dispersal of early-stage phyllosoma of the Japanese spiny lobster Panulirus japonicus were examined in the East China Sea and the Sea of Japan off western Japan. Early-stage larvae were sampled mainly in summer and relatively near the coast off western Kyusyu Island. Few larvae were found in the other three seasons in the East China Sea and the Sea of Japan. This finding suggests that P. japonicus larvae are retained in coastal areas for a few months after hatching until stage V and are transported offshore until autumn, before they grow to stage VI. Examination of archival drifter data off western Kyusyu Island during the spawning season of P. japonicus supported the relatively rapid dispersal of the larvae from the East China Sea near Japan to the Pacific Ocean or the Sea of Japan. Larval transport from the East China Sea to the Pacific Ocean, which is considered to be a main distribution area of middle-and late-stage larvae, would occur in the south at approximately 32-33°N in the East China Sea near western Kyusyu Island.

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Section: Surface Driftersmentioning

confidence: 96%

Distribution and dispersal of the early larval stages of the Japanese spiny lobsterPanulirus japonicusin the East China Sea

Yoshimura¹,

Morinaga

Oshimo

et al. 2009

New Zealand Journal of Marine and Freshwater Research

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“…Shortterm current observations have shown strong currents with large tidal components (Mizuno et al, 1989;Egawa et al, 1993;Isobe et al, 1994;Katoh et al, 1996) and are thought to be dominated by large seasonal variability (Yi, 1970;Kawabe, 1982;Toba et al, 1982;Egawa et al, 1993). These studies suggest currents are at a maximum in summer through fall and are at a minimum in winter through spring in the west channel.…”

mentioning

confidence: 92%

Currents Through the Korea/Tsushima Strait: A Review of LINKS Observations

Teague¹,

Ko²,

Jacobs³

et al. 2006

Oceanog.

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The Korea/Tsushima, Tsugaru, Soya, and Tatar Straits connect the Japan/East Sea (JES) with adjacent seas. Of the four straits, the Korea/Tsushima Strait (KTS) provides the vast majority of infl ow into the JES and plays a major role in determining its dynamics. The heat and salt balances within the JES are in large part determined by the infl ow through the KTS. Understanding of the relationships and forcing mechanisms of the infl ow from the Yellow and East China Seas through the KTS is important for understanding the circulation of the JES. Ultimately, fl ow through these Asian seas plays an important role in determining the temperature and salinity characteristics of North Pacifi c circulation.

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“…Kyushu Island on the western coast of Japan (Fig. 1) is located on the margin of the East China Sea (ECS), and the hydrodynamic environment is strongly influenced by the Kuroshio Current and the Tsushima Warm Current (Katoh et al, 1996). Because the Kuroshio Current and the Tsushima Warm Current transport larvae and juveniles of many fish species from southern spawning grounds to the waters off western Kyushu Island (e.g., Sassa et al, 2006;Okazaki and Nakata, 2007;Kitagawa et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Simulation of the impact of climate change on the egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island, the western coast of Japan

Takeshige

Miyake

Nakata

et al. 2015

Fisheries Oceanography

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In order to investigate the impact of climate change on egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island western Japan, we conducted particle-tracking simulations on transport success/failure to fishing grounds from 1960 to 2007. The modeled transport success since the mid1990s increased and decreased in the offshore and coastal zones, respectively, compared with the 1960s and 1970s. The estimated northward shift of the spawning ground and weakened Tsushima Warm Current contributed to increase in modeled transport success to the offshore zone. Conversely, the weakening trend of the modeled onshore current in the GotoNada Sea combined with the northward shift of the spawning ground resulted in unsuccessful larval transport. These results suggest that fluctuations in juvenile and subadult anchovy catches in this area may be attributable to changes in the physical environment. The present study showed that changes in transport success induced by oceanographic fluctuations related to climate change, have the potential to affect anchovy recruitment off the western coast of Japan.

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Downstream transition of the Tsushima Current west of Kyushu in summer

Cited by 26 publications

References 4 publications

Distribution and dispersal of the early larval stages of the Japanese spiny lobsterPanulirus japonicusin the East China Sea

Distribution and dispersal of the early larval stages of the Japanese spiny lobsterPanulirus japonicusin the East China Sea

Currents Through the Korea/Tsushima Strait: A Review of LINKS Observations

Simulation of the impact of climate change on the egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island, the western coast of Japan

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