. O 5l02 AT MAX T° X- X 5l02 AT MAX S %o Fig. 25. Graph showing the silicate content at the depths of maximum temperature and salinity of the warm deep water in the ice-edge region of the South Pacific Ocean in January-March 1934. in the current during both cruises are shown in Fig. 25. The fact that the silicate content of the warm deep water in this part of the ocean is less in the east than in the west must be due to the fact that the general direction of movement of the current is towards the east and south. The increase in temperature of the current towards the east suggests that the east
. O 5l02 AT MAX T° X- X 5l02 AT MAX S %o Fig. 25. Graph showing the silicate content at the depths of maximum temperature and salinity of the warm deep water in the ice-edge region of the South Pacific Ocean in January-March 1934. in the current during both cruises are shown in Fig. 25. The fact that the silicate content of the warm deep water in this part of the ocean is less in the east than in the west must be due to the fact that the general direction of movement of the current is towards the east and south. The increase in temperature of the current towards the east suggests that the eastward current of warm deep water from the region south of Australia must be joined by warm deep water from the north and such water would have a lower silicate content. During the eastward movement, mixing must occur at the upper and lower boundaries, and since the neighbouring water masses are poorer in silica the content of the current will decrease from west to east.
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
