What are the potential sources of sediments from land use activities?

NIWA's goal is to provide the science to help New Zealanders transition to a sustainable future.

Find out more about our water quality tools.

Whitianga Wharf sea levels

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Waikato exhibits a range of climates due to the variety of landscapes in the region.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.

The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.