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

Surface-Elevation Tables are in the Firth of Thames

Surface-Elevation Tables are in the Firth of Thames
Andrew Swales, NIWA
Surface-Elevation Tables are being used in the Firth of Thames to determine how quickly the bed sediment is rising relative to sea level. Credit: Andrew Swales