. IO E IS Fig. 21. The distribution of temperature (° C.) at a depth of 300 m. on survey II, September-October 1950. Between the Walvis Bay line and the Mowe Point line the distribution of surface-temperature is exceedingly complex. From the bathythermograph observations and the records from the distant reading thermograph a more detailed construction of the surface isotherms has been set out in Fig. 19. It will be seen that while the cool coastal water (less than 140 C.) continues along the coast as far as Mowe Point, the temperature rises fairly rapidly offshore to an area of relatively high
. IO E IS Fig. 21. The distribution of temperature (° C.) at a depth of 300 m. on survey II, September-October 1950. Between the Walvis Bay line and the Mowe Point line the distribution of surface-temperature is exceedingly complex. From the bathythermograph observations and the records from the distant reading thermograph a more detailed construction of the surface isotherms has been set out in Fig. 19. It will be seen that while the cool coastal water (less than 140 C.) continues along the coast as far as Mowe Point, the temperature rises fairly rapidly offshore to an area of relatively high temperature some 60 miles from the coast. Here the temperature is typically oceanic, reaching a recorded maximum of 16-5° C. This area of high temperature, a patch about 60 miles in diameter, is apparently an isolated feature, for on its western boundary the temperature is again lower (15-5° C.) Several interpretations could be made of this distribution, and unfortunately little guidance can be obtained from the sub- surface data, which are only available at the stations. It may be that this phenomenon is solely due
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