CASAL is an advanced software package developed by NIWA for fish stock assessment.

Impacts of mining on water quality and mahinga kai.

NIWA has working relationships with hundreds of organisations in New Zealand and overseas.

These datasets are available in a range of formats.

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.

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.

Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.

Tsunami is a Japanese word meaning great wave in harbour.

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

NIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches.