On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Echo, Echo: Scanning the Seafloor on R.V. Tangaroa

Echo, Echo: Scanning the Seafloor on R.V. Tangaroa

NIWA ocean geologist Dr Joshu Mountjoy explains how the R.V. Tangaroa's multibeam system is used for bathymetric (seabed) mapping, and some of the benefits which come out of this mapping.