Atmospheric analysis

Eutrophication occurs when nutrients in streams, rivers, lakes and estuaries cause excessive growth of aquatic plants and algae (primary producers).

At the bottom of the Southern Ocean, near Cape Adare in East Antarctica, lies an undersea ridge which until this month was only known by its co-ordinates: -71.2132 latitude, 172.1649 longitude.

2020 - Bay of Plenty acoustics

Underwater gas bubbles acoustic monitoring and seabed mapping around Whakaari Island

NIWA marine geologist Arne Pallentin is looking for telltale gas bubble 'flares"—using a multibeam echosounder—that indicate new volcanic activity in the Calypso Vent Field.

Campbell Gardiner explains how hundreds of lines of computer code generated each week are helping biosecurity authorities keep a close eye on a plant pathogen.

Albatrosses may be masters of the skies, but they are surprisingly vulnerable on the water. Campbell Gardiner talks to two scientists working to keep these magnificent seabirds airborne.

This award-winning kingfish sashimi dish is creating quite a splash – but it doesn’t come from the sea. We look at NIWA’s latest aquaculture success story and the new opportunities it’s on path to deliver.

Getting tangled up in seaweed or using supercomputers to unravel climate change – NIWA scientists go to great lengths to find fresh answers.

NIWA’s Chief Executive John Morgan looks at the role science will play in New Zealand’s post-Covid recovery.

Five specialist NIWA divers were left ‘gasping’ during their recent plunge under the ice near Scott Base.

It has been a whirlwind first six months for Ngāpera Keegan and Tekiteora Rolleston-Gabel, the first two young researchers in NIWA’s newly established Māori Graduate Internship Programme.