NIWA

Oceans

Recording old oceans centre tag.

Latest news

Tsunami evacuation zones home to 1 in 10 New Zealanders

19 August 2020

NIWA scientists have completed the first national assessment of people and buildings at risk in New Zealand’s tsunami evacuation zones.

Researchers on hunt for fish nurseries

Media Release

7 August 2020

NIWA researchers are heading out from Tasman early next week to survey an area thought to be home to important juvenile fish nurseries.

Squat lobster memoir hot off the press

Media Release

6 August 2020

After a decade-long effort, NIWA’s latest Biodiversity Memoir has just rolled off the presses. Written by marine biologist Kareen Schnabel, the 350-page treatise presents everything we currently know about the different kinds of squat lobster living in New Zealand’s waters.

Nameless nodes get new look from NIWA

Media Release

29 July 2020

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.

Our work

New Zealand Ocean Acidification Observing Network (NZOA-ON)

Ocean acidification conditions around the New Zealand coast are being measured to establish baseline conditions and to quantify future change.

Plankton biodiversity in the Southern Ocean

NIWA is conducting a five–year study to map changes in the distribution of plankton species in surface waters between New Zealand and the Ross Sea.

Effects of ocean acidification on plankton in New Zealand waters

Our oceans are expected to become more acidic as carbon dioxide concentrations rise. This will likely have impacts on the plankton, which play a major role in ocean ecosystems and processes.

White sharks

Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?

Latest videos

Ocean acidification - What does it mean for Shellfish?

This video has been produced to highlight ocean acidification as a potential issue affecting the NZ shellfish aquaculture industry

Echo, Echo: Scanning the Seafloor on R.V. Tangaroa

NIWA ocean geologist Dr Joshu Mountjoy explains how the R.V. Tangaroa's multibeam system is used for bathymetric (seabed) mapping, and some of the benefits which come out of this mapping.

Seabed Frontier: A Brief History of Bathymetry

NIWA marine geologist John Mitchell gives a brief history of bathymetric (seabed) charting, and how it's been carried out over the last few hundred years. (01:18)

Big Fish, Calm Sea - White Shark Tagging off Stewart Island

Tagging White Sharks off Stewart Island, NZ Scientists from DOC, NIWA, and the University of Auckland are building a unique picture of New Zealand's great white shark population.

Vessels

Images of NIWA’s three main research vessels in action – RV Tangaroa, RV Kaharoa and RV Ikatere.

Antarctica in photos

NIWA scientists have worked for many years in Antarctica. These photographs illustrate some of our work in this amazing and scientifically significant place.

Ocean to Atmosphere

This interactive graphic shows how NIWA's work extends from the top of the atmosphere to the bottom of the ocean.

Making Waves - Sep 2020

Welcome to the September edition of Making Waves. As always, our commitment is to deliver quality science for the benefit of New Zealand.

Tsunami evacuation zones home to 1 in 10 New Zealanders

Media Release

19 August 2020

NIWA scientists have completed the first national assessment of people and buildings at risk in New Zealand’s tsunami evacuation zones.

Researchers on hunt for fish nurseries

Media Release

7 August 2020

NIWA researchers are heading out from Tasman early next week to survey an area thought to be home to important juvenile fish nurseries.

Squat lobster memoir hot off the press

Media Release

6 August 2020

Nameless nodes get new look from NIWA

Media Release

29 July 2020

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.

Tracking our ocean wanderers

Feature story

28 July 2020

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.

A cold day in the office

Feature story

28 July 2020

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

Concepts in sustainable aquaculture - IMTA

Media Release

23 July 2020

New ways to address environmental sustainability challenges.

NIWA crew face record time at sea

Media Release

21 July 2020

Coronavirus border restrictions mean six NIWA staff face four straight months at sea in a bid to keep an international ocean research project afloat.

NIWA mapping seafloor around Whakaari/White Island

Media Release

16 July 2020

NIWA scientists are heading to the waters around Whakaari/White Island in the Bay of Plenty next week to survey changes to the seafloor.

New ocean data from under the world’s biggest ice shelf

Media Release

30 June 2020

New measurements from the ocean under the centre of the Ross Ice Shelf have significantly improved our understanding of the complex processes that drive melting in Antarctica.

May 27, 2020 - Working in uncharted territory

Diana Macpherson, benthic data and specimens specialist, talks about what working onboard Tangaroa is really all about.

Making Waves - June 2020

NIWA is currently working closely with stakeholders to ensure that our research and advice are applied to maximum effect to assist with the recovery after COVID-19.

Tangaroa heads back to sea – with social distancing

Media Release

13 May 2020

NIWA’s flagship research vessel Tangaroa will sail out of Wellington Harbour on Sunday for the first scientific voyage since the lockdown.

Extremely rare albino shark discovered in Auckland

Media Release

22 April 2020

A deep dive into the collection of an Auckland War Memorial Museum has revealed an extremely rare albino shark.

From land to sea – tracing our trash

NIWA and the Sustainable Coastlines charitable organisation are collaborating to develop ‘source-to-sea’ methods to trace the movement of litter from stormwater systems, through rivers, to coastlines.

Small sea-level rises to drive more intense flooding, say scientists

Media Release

14 April 2020

A little can mean a lot – especially when it comes to the relationship between sea level rise and coastal flooding.

Giant squid and glow-in-the-dark sharks surprise scientists

Media Release

17 February 2020

A giant squid and several glow-in-the-dark sharks were surprise finds for NIWA scientists last month on the Chatham Rise during a voyage to survey hoki, New Zealand’s most valuable commercial fish species.

Climate change and the oceans

Helping you understand the science of climate change. The things we can do to combat climate change, individually, and alongside our whānau, school and community, can and will make a difference.

Scientist pieces together details of underwater landslides

Media Release

28 November 2019

New information about landslides that occur on the seafloor off New Zealand’s east coast will help scientists better understand why and where they happen, and the types of threats they pose.

Planning an ocean observation network

Media Release

3 October 2019

New Zealand’s changing ocean environment has prompted the call to develop a system that will keep closer tabs on information from scientific monitoring buoys so the data they produce can be shared as widely as possible.

Methane seep research bubbling along

Media Release

10 September 2019

A chance discovery off the Gisborne coast five years ago is prompting a NIWA scientist to find out more about the link between a field of methane seeps bubbling out of the sea floor and submarine landslides.