Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences

Temperature structure in the upper 250 metres in the East Australian Current area

BV Hamon

Australian Journal of Marine and Freshwater Research 19(2) 91 - 100
Published: 1968


Temperature profiles to 250 m, obtained by using a bathythermograph, are presented and discussed in relation to geostrophic currents in the East Australian Current Area. There is a very close relation between dynamic height and temperature at 240 m depth in this area. Regression equations connecting the two quantities are given. The depth of the mixed layer is shown to cover a wide range, even on a single cruise in a relatively small area, and it is suggested that the extremes of very shallow (< 20 m) and very deep (≥ 200 m) mixed layers are due to divergence and convergence associated with the strong and variable circulation in the area. Seasonal warming and cooling affect approximately the upper 70-100 m, and have a range of about 3ºC.

© CSIRO 1968

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