Atmospheric analysis

Nutrients in waterways are essential for the growth of algae and aquatic plants but too much can destroy an ecosystem.

Tau kōura is a traditional Māori fishing method commonly used to harvest kōura or freshwater crayfish in areas where they are abundant.

Providing educational resources to school students and teachers is part of NIWA's commitment to helping young New Zealanders discover more about science and technology.

The climate of this zone is greatly dependent on the lie of the massive Southern Alps to the west.

Heavy rainfall is one of the most frequent and widespread severe weather hazards to affect New Zealand.

Returning water to our waterways after we’ve used it in our homes, on farms and in industry is a complex and challenging process.

A versatile inshore vessel, RV Ikatere is equipped with high-precision multibeam and sub-bottom profiler transducers for surveying and mapping the seabed.

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

Charts of coastal bathymetry, sediment, and other information are available for purchase.

QGIS is a free, open source, desktop mapping tool, widely used in New Zealand in government, research, commercial and NGO arenas.