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Story: Ocean currents and tides

Profiling

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Profiling

In this photograph a conductivity temperature depth profiler is being lowered over the side of a research vessel off the Poor Knights Islands in northern New Zealand. The device is used to collect water samples at selected depths, and measure a range of ocean properties such as temperature.

Using this item

NIWA – National Institute of Water and Atmospheric Research

by Craig Stevens

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How to cite this page

Craig Stevens and Stephen Chiswell, Ocean currents and tides – Measuring the ocean, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/5942/profiling (accessed 25 June 2026).

Story by Craig Stevens and Stephen Chiswell, published 2 March 2009.