Marlborough Sounds Survey

NIWA in association with Discovery Marine Limited, carried out the hydrographic survey on behalf of the Marlborough District Council and Land Information New Zealand.

NIWA's research vessels Ikatere and Rukuwai spent more than nine months on the water using the latest multibeam echo sounder technology to gather more than 5 billion data points and reveal exactly what lies beneath the surface.

Research subject: Acoustics