scholarly journals Water temperature, salinity ranges and ecological significance of the three families of Recent cold-water ostracods in and around the Japan Sea

2004 ◽  
Vol 8 (1) ◽  
pp. 11-28 ◽  
Author(s):  
Hirokazu Ozawa ◽  
Takahiro Kamiya ◽  
Hiromitsu Itoh ◽  
Shinji Tsukawaki
Keyword(s):  
Water Temperature ◽  
Cold Water ◽  
Japan Sea ◽  
Ecological Significance ◽  
The Japan Sea

scholarly journals Variability of the Deep Cold Water in the Japan Sea

1969 ◽  
Vol 25 (1) ◽  
pp. 10-20 ◽  
Author(s):  
Kozo KITANI ◽  
Michitaka UDA
Keyword(s):  
Cold Water ◽  
Japan Sea ◽  
The Japan Sea

Analysis of year-to-year variation of water temperature along the coast of the Japan sea

1986 ◽  
Vol 17 (3-4) ◽  
pp. 337-357 ◽  
Author(s):  
Tomowo Watanabe ◽  
Kimio Hanawa ◽  
Yoshiaki Toba
Keyword(s):  
Water Temperature ◽  
Japan Sea ◽  
The Japan Sea

Interannual to Interdecadal Variability in the Japan Sea Based on a New Gridded Upper Water Temperature Dataset

2004 ◽  
Vol 34 (11) ◽  
pp. 2382-2397 ◽  
Author(s):  
Shoshiro Minobe ◽  
Akinori Sako ◽  
Makoto Nakamura
Keyword(s):  
Water Temperature ◽  
North Pacific ◽  
Western North Pacific ◽  
North Pacific Ocean ◽  
World Ocean ◽  
Japan Sea ◽  
The Arctic ◽  
Optimal Interpolation ◽  
The Japan Sea ◽  
Central North Pacific

Abstract A new gridded water temperature dataset of upper 400-m depths (0, 50, 100, 200, 300, and 400 m) for the Japan Sea (or East Sea) is produced by using an optimal interpolation technique from 1930 to 1996, based on oceanographic observations collected in the World Ocean Database 1998. The temperature data are analyzed by a complex empirical orthogonal function (CEOF) with six levels combined using the data for a period from 1957 to 1996, during which most of gridded data are available. Before calculating the CEOFs, low-pass or high-pass filters (cutoff period at 7 yr) are applied to separate interannual and decadal temperature changes, respectively. One interannual and two decadal CEOF modes are identified. The interannual first CEOF mode is characterized by the energetic variability around and south of the subpolar front in the western Japan Sea, accompanied by northward and northeastward phase propagations emanating from the Tsushima Strait. The decadal first CEOF mode exhibits a broad structure prevailing over the whole Japan Sea, but large amplitudes are trapped by the subpolar front, with 60°–90° phase lags between the northeastern and southwestern Japan Sea. The decadal second CEOF mode has a localized structure with strong correlations in the Yamato Basin. The relation between the atmosphere and ocean is analyzed by a correlation analysis of wintertime sea level pressures (SLPs) onto the temporal coefficients of the CEOF modes. The interannual first CEOF mode is accompanied by the SLP anomalies over the western North Pacific Ocean with steep SLP gradients over the Japan Sea, suggesting that this mode is forced by local wind anomalies associated with the SLP changes over the western North Pacific. The decadal first CEOF mode is likely to be caused by changes of the east Asian winter monsoon due to the SLP variability of the northern part of the Siberian high, which is closely associated with the decadal fluctuations of the Arctic Oscillation and the North Atlantic Oscillation. The second decadal CEOF mode is accompanied by high SLP correlations over the central North Pacific associated with strength changes of Aleutian lows, suggestive of remote forcing from the central North Pacific.

scholarly journals Рециркуляция вод залива Петра Великого Японского моря вследствие осеннего муссона

2020 ◽  
Vol 43 (2) ◽  
Author(s):  
TALGAT KILMATOV ◽  
ALEXANDER LAZARYUK
Keyword(s):  
Time Scale ◽  
Cold Water ◽  
Japan Sea ◽  
Energy Estimates ◽  
Field Observations ◽  
Tidal Effects ◽  
Amursky Bay ◽  
Drift Current ◽  
The Japan Sea ◽  
The City

Представлены данные натурных наблюдений (2010, 2019 гг.) вод Амурского залива с целью анализа влияния осеннего муссона на циркуляцию вод. Показано, что в осенний период происходит процесс замещения вод залива свежими морскими водами вследствие рециркуляции с Японским морем. На основе модели полных потоков приведены временные масштабы этого процесса – несколько дней. Проводятся сравнительные модельные оценки влияния ветрового, термогалинного и приливного эффектов на процесс рециркуляции. Отмечается доминирующий процесс – вынос вод из залива вследствие дрейфового течения, генерируемого ветрами северных румбов. Важность представленного эффекта – природная очистка вод прилегающих к г. Владивостоку акваторий в осенний период. Прикладной эффект – учет сезонного фактора при планировании и эксплуатации объектов, имеющих антропогенное воздействие на прилегающие к г. Владивостоку заливы и бухты. The data of field observations (2010, 2019) and model estimates it is shown that during the autumn monsoon, the waters of Amursky Bay are rapidly replaced with fresh cold water of the Japan Sea. The time scale of the process is several days. Comparative energy estimates of the wind, thermohaline, and tidal effects on the process are given. The main reason is the removal of water from the bay as a result of the drift current generated by the winds of the northern directs. The importance of the effect is seasonal natural cleaning of the water areas surrounding the city of Vladivostok.

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