On the stability of the Soya Warm Current

Identification of biophysical regions in the south-western part of the Okhotsk Sea by satellite imagery classification

“…This result is also in accordance with the water masses described by Takizawa (1982). During this period, the SWC is characterised by higher temperatures (7-20°C) and high salinity (Ohshima, 1987). Warm water flows into the Okhotsk Sea through the Soya Strait.…”

“…The variability in water masses is attributed to differences in the seasonal circulation of the area. Circulation is influenced by two water masses that intrude into this region, the saline water of the SWC from the Sea of Japan that flows southeastwardly along the Hokkaido coast (March-November) (Takizawa, 1982;Ohshima, 1987) and fresh water that flows southward along the east coast of Sakhalin carried by the ESC in winter. The ESC comprises the coastal waters off the Sakhalin and the discharge from the Siberian Rivers, especially the Amur, in summer (Mizuta et al, 2003;Ebuchi, 2006).…”

Identification of biophysical regions in the south-western part of the Okhotsk Sea by satellite imagery classification

“…This result is also in accordance with the water masses described by Takizawa (1982). During this period, the SWC is characterised by higher temperatures (7-20°C) and high salinity (Ohshima, 1987). Warm water flows into the Okhotsk Sea through the Soya Strait.…”

“…The variability in water masses is attributed to differences in the seasonal circulation of the area. Circulation is influenced by two water masses that intrude into this region, the saline water of the SWC from the Sea of Japan that flows southeastwardly along the Hokkaido coast (March-November) (Takizawa, 1982;Ohshima, 1987) and fresh water that flows southward along the east coast of Sakhalin carried by the ESC in winter. The ESC comprises the coastal waters off the Sakhalin and the discharge from the Siberian Rivers, especially the Amur, in summer (Mizuta et al, 2003;Ebuchi, 2006).…”

Long-term mean circulation in the Japan Sea as reproduced by multiple eddy-resolving ocean circulation models

“…The first diagnostic model of horizontal circulation in the Japan Sea is based on a simple geostrophic balance applied by Yi, (1966), which is the first attempt to estimate the mean values and seasonal variability of volume transport into the Japan Sea by using dynamic calculation. With the help of three-dimensional (3D) models on the basis of linear barotropic equations, Minato and Kimura (1980) and Ohshima (1987) investigated the driving mechanism of inflow through the Tsushima Strait and outflow through the Soya Strait. By establishing a barotropic model with shallow water equations, Ohshima (1994) forced the diagnostic model by using observed sea level difference across the strait and found that the geopotential anomaly between subtropical and subpolar gyres serves as the primary driver of the mean horizontal circulation in the Japan Sea.…”

Identification of biophysical regions in the south-western part of the Okhotsk Sea by satellite imagery classification

“…This result is also in accordance with the water masses described by Takizawa (1982). During this period, the SWC is characterised by higher temperatures (7-20°C) and high salinity (Ohshima, 1987). Warm water flows into the Okhotsk Sea through the Soya Strait.…”

“…The variability in water masses is attributed to differences in the seasonal circulation of the area. Circulation is influenced by two water masses that intrude into this region, the saline water of the SWC from the Sea of Japan that flows southeastwardly along the Hokkaido coast (March-November) (Takizawa, 1982;Ohshima, 1987) and fresh water that flows southward along the east coast of Sakhalin carried by the ESC in winter. The ESC comprises the coastal waters off the Sakhalin and the discharge from the Siberian Rivers, especially the Amur, in summer (Mizuta et al, 2003;Ebuchi, 2006).…”

Long-term mean circulation in the Japan Sea as reproduced by multiple eddy-resolving ocean circulation models

“…The first diagnostic model of horizontal circulation in the Japan Sea is based on a simple geostrophic balance applied by Yi, (1966), which is the first attempt to estimate the mean values and seasonal variability of volume transport into the Japan Sea by using dynamic calculation. With the help of three-dimensional (3D) models on the basis of linear barotropic equations, Minato and Kimura (1980) and Ohshima (1987) investigated the driving mechanism of inflow through the Tsushima Strait and outflow through the Soya Strait. By establishing a barotropic model with shallow water equations, Ohshima (1994) forced the diagnostic model by using observed sea level difference across the strait and found that the geopotential anomaly between subtropical and subpolar gyres serves as the primary driver of the mean horizontal circulation in the Japan Sea.…”

Identification of biophysical regions in the south-western part of the Okhotsk Sea by satellite imagery classification

“…This result is also in accordance with the water masses described by Takizawa (1982). During this period, the SWC is characterised by higher temperatures (7-20°C) and high salinity (Ohshima, 1987). Warm water flows into the Okhotsk Sea through the Soya Strait.…”

“…The variability in water masses is attributed to differences in the seasonal circulation of the area. Circulation is influenced by two water masses that intrude into this region, the saline water of the SWC from the Sea of Japan that flows southeastwardly along the Hokkaido coast (March-November) (Takizawa, 1982;Ohshima, 1987) and fresh water that flows southward along the east coast of Sakhalin carried by the ESC in winter. The ESC comprises the coastal waters off the Sakhalin and the discharge from the Siberian Rivers, especially the Amur, in summer (Mizuta et al, 2003;Ebuchi, 2006).…”

Long-term mean circulation in the Japan Sea as reproduced by multiple eddy-resolving ocean circulation models

“…The first diagnostic model of horizontal circulation in the Japan Sea is based on a simple geostrophic balance applied by Yi, (1966), which is the first attempt to estimate the mean values and seasonal variability of volume transport into the Japan Sea by using dynamic calculation. With the help of three-dimensional (3D) models on the basis of linear barotropic equations, Minato and Kimura (1980) and Ohshima (1987) investigated the driving mechanism of inflow through the Tsushima Strait and outflow through the Soya Strait. By establishing a barotropic model with shallow water equations, Ohshima (1994) forced the diagnostic model by using observed sea level difference across the strait and found that the geopotential anomaly between subtropical and subpolar gyres serves as the primary driver of the mean horizontal circulation in the Japan Sea.…”