Volume Transport through the La-Perouse (Soya) Strait between the East Sea (Sea of Japan) and the Sea of Okhotsk

Saveliev, Aleksandr Vladimirovich; Danchenkov, Mikhail; Hong, Gi-Hoon

doi:10.4217/opr.2002.24.2.147

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…The periods of the transport extrema for both datasets, as well as observations coincided with each other. However, we observed the underestimation of the annual mean transport across the Soya Strait assessed from the simulated velocity field up to 0.46 Sv in comparison with the one estimated from in situ observations [57] and the GOFS3.1 reanalysis. The simulated transport reached its maximum (up to 0.32 Sv) from May to September, and its minimum (-0.1 Sv) was observed in January.…”

Section: Simulated Throughflow In the Japan/east Seacontrasting

confidence: 51%

“…The simulated transport reached its maximum (up to 0.32 Sv) from May to September, and its minimum (-0.1 Sv) was observed in January. Saveliev et al [57] estimated seasonal variations of this transport from -0.01 to 1.18 Sv, and these variations estimated with the GOFS3.1 reanalysis varied from 0.1 Sv in January to 1.0 in August. We suggest that the underestimation of the annual mean transport across the Soya Strait resulted from the overestimation of the transport across the Tsugaru Strait.…”

Section: Simulated Throughflow In the Japan/east Seamentioning

confidence: 99%

“…Monthly mean satellite altimetry from the AVISO dataset (https://www.aviso.altimetry. fr/en/data/data-access.html,accessedon1December2021) with a spatial resolution of 0.25 [43,57].…”

mentioning

confidence: 99%

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Mesoscale Dynamics and Eddy Heat Transport in the Japan/East Sea from 1990 to 2010: A Model-Based Analysis

Степанов

Фомин

Гусев

et al. 2021

JMSE

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The driving mechanisms of mesoscale processes and associated heat transport in the Japan/East Sea (JES) from 1990 to 2010 were examined using eddy-resolving ocean model simulations. The simulated circulation showed correctly reproduced JES major basin-scale currents and mesoscale dynamics features. We show that mesoscale eddies can deepen isotherms/isohalines up to several hundred meters and transport warm and low salinity waters along the western and eastern JES boundaries. The analysis of eddy kinetic energy (EKE) showed that the mesoscale dynamics reaches a maximum intensity in the upper 300 m layer. Throughout the year, the EKE maximum is observed in the southeastern JES, and a pronounced seasonal variability is observed in the southwestern and northwestern JES. The comparison of the EKE budget components confirmed that various mechanisms can be responsible for the generation of mesoscale dynamics during the year. From winter to spring, the baroclinic instability of basin-scale currents is the leading mechanism of the JES mesoscale dynamics’ generation. In summer, the leading role in the generation of the mesoscale dynamics is played by the barotropic instability of basin-scale currents, which are responsible for the emergence of mesoscale eddies, and in autumn, the leading role is played by instabilities and the eddy wind work. We show that the meridional heat transport (MHT) is mainly polewards. Furthermore, we reveal two paths of eddy heat transport across the Subpolar Front: along the western and eastern (along 138∘ E) JES boundaries. Near the Tsugaru Strait, we describe the detected intensive westward eddy heat transport reaching its maximum in the first half of the year and decreasing to the minimum by summer.

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Section: Simulated Throughflow In the Japan/east Seacontrasting

confidence: 51%

Section: Simulated Throughflow In the Japan/east Seamentioning

confidence: 99%

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Mesoscale Dynamics and Eddy Heat Transport in the Japan/East Sea from 1990 to 2010: A Model-Based Analysis

Степанов

Фомин

Гусев

et al. 2021

JMSE

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“…Поступление вод через прол. Лаперуза, как следует из работы Савельева с соавторами (Saveliev et al, 2002), подвержено существенной сезонной изменчивости (максимальный приток высокосоленых вод из Японского моря в Охотское наблюдается в августе (1,18 Sv), а минимальный -в декабре-феврале -0,04 Sv). Поэтому с ноября по январь (период с отсутствием ледяного покрова в этой части моря), за счет существенного снижения поступления вод из Японского моря через прол.…”

Section: результаты и их обсуждениеunclassified

Intra-annual variability of the mixed layer parameters in the Okhotsk Sea

Luchin¹

2018

Izv. Tihookean. naučno-issled. rybohoz. centra

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All available oceanographic data for the deep-water part of the Okhotsk Sea, in total 111,944 stations collected in 1931–2014, are analyzed after removing the duplicate and lowquality ones. The mixed layer depth is determined on the water temperature profle for each station and monthly mean values of temperature and salinity in the mixed layer are calculated for the 0.5о-size grid. In May-October, the mixed layer depth varies within the range 5–25 m, with the highest values in the areas with active water dynamics. On the contrary, the mixed layer is much deeper in December-April when its thickness exceeds 40–60 meters and even reaches 100–120 m in the central Kuril Straits. Two types of temperature distribution change annually within the mixed layer in the Okhotsk Sea: the winter pattern with higher (positive) temperature at Kuril Islands occurs in December-April and the summer pattern is formed in June-September and is distinguished by spots of lower temperature in the dynamically active areas with strong tidal and non-tidal currents (Kuril Straits, Kashevarov Bank, entrance to the Shelikhov Bay, Shantar Islands vicinity, northeastern shelf of Sakhalin Island). Transition patterns of the temperature distribution are observed in May, October, and November. Largescale patterns of salinity distribution within the mixed layer are permanent throughout a year and indicate prevailing currents and other processes in the upper layer of the Okhotsk Sea. The maximum salinity is observed in the southern Okhotsk Sea, whereas the lower salinity values are usual for the coastal waters (except the coasts of Kuril Islands) affected to the river runoff.

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