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Read about the important science being undertaken at NIWA, and how it affects New Zealanders. 

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At a laboratory just outside Whangarei, scientists are putting very young snapper through comprehensive physical testing - including a full medical check-up involving smell, hearing, vision, and even anxiety testing.
A two-week expedition to tag blue whales in New Zealand waters for the first time, almost came up empty due to warmer sea temperatures causing the animals to change their behaviour.
Hotspots in the North Island are located across Gisborne, the Tararua District, and in parts of west coastal Taranaki. The only hotspot in the South Island is in Southland.
North Island hotspots continue to be found across much of Gisborne, northern Hawke’s Bay, and Tararua west to Horowhenua and Kapiti Coast. A small hotspot has also emerged across the east coast of the Coromandel Peninsula. The only hotspot in the South Island continues to be located in Southland, but it has decreased significantly in size and strength due to the recent heavy rainfall.
Forty intrepid adventurers leave Wellington next week for a six-week scientific voyage to Antarctica.
Current North Island hotspots are found in coastal Gisborne, interior Wairoa, as well as small portions of Kapiti Coast, Horowhenua, and Tararua. The only hotspot in the South Island continues to be a sizeable one which covers much of southern and interior Otago and nearly all of Southland.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
Beachgoers are being asked to look out for leopard seals over summer and report sightings as soon as possible.
In October a team of scientists from New Zealand and Finland travelled to Antarctica for a scientific diving expedition under the ice.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
NIWA’s research vessel Tangaroa sets off for a six-week voyage to Antarctica in February. Six of those aboard explain what they’re doing, what they’re worried about and the one thing they wouldn’t be without.
A group of volunteers who love the Hutt River are helping to care for it over summer.
As the road behind Hanmer Springs turns to gravel and a dust cloud forms in the rear vision mirror, the southern edge of Molesworth Station unfolds.
Every year NIWA carries out numerous marine surveillance missions, surveys at ports and harbours around the country. Their divers are looking for the pests that have hitched a ride to New Zealand waters and are capable of destroying our unique ecosystems and shellfish industry.
“You almost become a fishing psychologist – you can tell by the way people walk up the ramp to get their trailer if they’ve had a good day.”
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
Four seasons with a little bit of everything. It started with the bummer summer… then came the fires, rain, flooding and a very weird November. But it’s all in a year of weather as NIWA wraps up the seasonal highlights.
It’s been a year of discovery for NIWA scientists who now know more than they did 12 months ago – their top five discoveries for the year range from the bottom of the ocean to the top of the atmosphere.
Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.

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