Oceans

Recording old oceans centre tag.

Latest news

New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.
With cascading waterfalls and native bush tumbling down mountainous terrain, Fiordland is one of the most eye-catching parts of the country. But peer beneath the waves and you'll see that Fiordland's marine invertebrate and seaweed communities are every bit as remarkable and awe-inspiring.
A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived.
A pilot study carried out by NIWA and the University of Auckland has found microplastics in samples collected from the seafloor in the Marlborough Sounds.

Our work

Clouds over the ocean, and how they trap or emit radiation from the sun, are partly influenced by the biology, biogeochemistry and physics of the surface ocean below.

We need information on the food web structures of our marine ecosystems in order to manage the effects on the ecosystem of fishing, aquaculture and mining, as well as understanding the potential impacts of climate variability and change on our oceans. 

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

Latest videos

Dive into the alien world of plankton in the Ross Sea

Plankton are the base of the oceans food web and are vital to our survival. But as our world changes will they be able to continue to play this essential role? Join us as we follow a group of NIWA scientists investigating various aspects of this question in the ocean around Antarctica.

Antarctic science onboard NIWA’s RV Tangaroa
Researchers are working their way through a wealth of new Antarctic marine data after RV Tangaroa successfully completed its five week scientific voyage to the Ross Sea.
NIWA's Sarah Searson and Jennie Mowatt
If you want to get accurate scientific readings from the icy depths of the Ross Sea, who do you turn to?
Ocean Acidification
This video has been produced to highlight ocean acidification as a potential issue affecting the NZ shellfish aquaculture industry
Dive into the alien world of plankton in the Ross Sea

Plankton are the base of the oceans food web and are vital to our survival. But as our world changes will they be able to continue to play this essential role? Join us as we follow a group of NIWA scientists investigating various aspects of this question in the ocean around Antarctica.

Antarctic science onboard NIWA’s RV Tangaroa
Researchers are working their way through a wealth of new Antarctic marine data after RV Tangaroa successfully completed its five week scientific voyage to the Ross Sea.
NIWA's Sarah Searson and Jennie Mowatt
If you want to get accurate scientific readings from the icy depths of the Ross Sea, who do you turn to?

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

New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.
With cascading waterfalls and native bush tumbling down mountainous terrain, Fiordland is one of the most eye-catching parts of the country. But peer beneath the waves and you'll see that Fiordland's marine invertebrate and seaweed communities are every bit as remarkable and awe-inspiring.
A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived.
A pilot study carried out by NIWA and the University of Auckland has found microplastics in samples collected from the seafloor in the Marlborough Sounds.
Clouds over the ocean, and how they trap or emit radiation from the sun, are partly influenced by the biology, biogeochemistry and physics of the surface ocean below.
Researchers have recovered a scientific buoy from the Kāpiti Marine Reserve that went missing in late March.
A joint NIWA and Department of Conservation (DOC) project is extending New Zealand’s ocean acidification monitoring network to include marine reserves.
A global effort by seabird researchers, including those from NIWA, has resulted in the first assessment of where the world’s most threatened seabirds spend their time.
Departed all the wonderful coastal scenery and moved east out into the Ross sea polynya
The clear sky and exceptional visibility made our approach to Woods Bay very memorable with Mount Melbourne dead ahead and Mount Murchison on our starboard beam.
Numerous sightings of minke whales today while target identification mid-water trawls were being made on krill and fish layers beneath Tangaroa.
Day 34 of the Ross Sea Life in a Changing Climate (ReLiCC) 2021 voyage on RV Tangaroa. We are back in New Zealand waters and due to arrive in Wellington on the morning of Monday 15 Feb.
Sadie Mills has come a long way from scaring the inhabitants of Scottish rock pools. Sarah Fraser explains.
A large, orange Scandinavian robot gives NIWA’s marine geologists an in-depth look at changes to the seafloor off Kaikōura.
New Zealanders and Pacific Island communities are on their way to having the most advanced tsunami monitoring system in the world.
Glen Walker is the bosun aboard NIWA’s research vessel Tangaroa currently exploring the waters around Antarctica. His reading list is exclusively sea disaster stories.
Antarctica is an incredibly pristine place; we are here to do good science and leave no trace. So, you can imagine my horror as I watched my camera start to float away from the boat.
Sitting in the library of the R.V. Tangaroa, I’m contemplating the (almost) three weeks spent at sea. From the nauseating swell of the ferocious fifties to the mornings when I’ve woken to beautiful vistas of Antarctic mountains.
A lack of information about New Zealand oceanic shark populations is making it difficult to assess how well they are doing, says a NIWA researcher.

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All staff working on this subject

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Principal Scientist - Marine Geology
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Marine Biogeochemistry Technician
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Principal Scientist - Marine Ecology
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Regional Ocean Modelling System (ROMS) Numerical Modeller
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Marine Sedimentologist
Principal Scientist - Carbon Chemistry and Modelling
General Manager - Operations
Principal Scientist - Marine Geology
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Marine Invertebrate Systematist
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Coastal and Estuarine Physical Processes Scientist
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Marine Physics Modeller
Principal Scientist - Marine Ecology
Principal Scientist - Marine Physics
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Physical Oceanographer
Freshwater Fish Ecologist
Principal Technician - Marine Geology
Algal Ecologist
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