Atmospheric analysis

Diverting water away from its natural channel for commercial or private use.

How does urbanisation increase sediments in waterways?

Tsunami is a Japanese word meaning great wave in harbour.

New Zealand rushes (Juncus): species-level factsheets.

NIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin.

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

All species of freshwater tuna spawn at sea, although the spawning grounds of only four species are known with certainty worldwide.

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.

Find out more about submerged aquatic plant species.

Tairua station