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Immediate Report of Victoria University Of Wellington Antarctic Expedition 1987-88: VUWAE 32

Tripp Bay Bathymetry

Tripp Bay Bathymetry

A spot depth bathymetry survey was begun this season in Tripp Bay in association with Dr Robert Dunbar of Rice University, Texas (S216). The aim of the survey was to compare Tripp Bay with Granite Harbour and identify any deep basins which could be accumulating diatom-rich sediment as in Granite Harbour. We were also interested in this area as a site which is isolated from the influence of McMurdo Sound oceanographic circulation.

The maximum depth recorded this season was 550 m in the area south of Tripp Bay Glacier Tongue (Figure 1). Further measurements are still required to the east and north of the glacier tongue to complete the survey. The New Zealand survey party, K191, surveyed all flagged bathymetric locations so an accurate map of the sea floor in this area can eventually be constructed.