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Victoria University Antarctic Research Expedition Science and Logistics Reports 1972-73: VUWAE 17



Numerous minor problems were encountered with some of the equipment for measuring the velocity of convection within Lake Vanda. The time taken correcting these necessitated curtailing some of the original objectives. However temperature, density and velocity measurements were made at two stations. Analysis of the data is still continuing at the time of writing. Preliminary investigations of the temperature and density measurements suggest that the thermal structure of the lake has developed very little over recent years. Velocity measurements have yet to be reduced but an unusual sinusoidal variation was recorded in the upper part of a large 25 metre dense layer which occurs towards the base of the lake.