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Victoria University Antarctic Research Expedition Science and Logistics Reports 1992-93: VUWAE 37

Abstract of Scientific Work Achieved

page 1

Abstract of Scientific Work Achieved

The objective of the sea ice based programme was to obtain cores from the sea floor in Granite Harbour. This part of the programme was not successful because of deployment and operational problems with our new vibracorer. The corer itself performed correctly in the 700 m deep water, the frame tilted on the soft sea floor and no useful core was recovered.

A ship based programme in February 1993 was very successful, with over 450 nautical miles of 3.5 kHz sea floor profiling data collected from the USCGC Polar Star off the South Victoria Land Coast. Data collected in Granite Harbour and off the Nordenskjold Ice Tongue are being used to map the extent and thickness of the Holocene mud blanket. The data collected off Cape Roberts will be used to characterise the sea floor and compile a high resolution bathymetric map for selecting drill sites in the area.