Atmospheric analysis

Kōaro are excellent climbers and like clear, swiftly flowing, forested streams.

Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.

Impacts of timber processing activities on water quality and mahinga kai.

These datasets are available in a range of formats.

Dog Island levels

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.

Confused about El Niño, or can't tell the difference between an Anticyclone and an Isobar? Let us help.

Temperature trends from 1930s to present day

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.