In New Zealand, People (and Moths) Rediscover Dark Skies

In New Zealand, People (and Moths) Rediscover Dark Skies

The man had made his way from Texas to the Mackenzie region of New Zealand’s South Island for the landscapes, to see vivid swathes of violet lupins set against blue glacial lakes and snowy peaks rising beyond golden tussocked hills.

Explosive research sheds light on volcanic tsunami

Explosive research sheds light on volcanic tsunami

The following video shows glass beads being tipped down aerated ramps into water to mimic what happens when pyroclastic flows hurtle down the sides of erupting volcanoes: .

The largest flood flow ever measured

The largest flood flow ever measured

Flood flows on the Buller River this month were the largest of any river in Aotearoa New Zealand in almost 100 years, NIWA measurements show.Meanwhile, a NIWA monitoring station on the Buller River at Te Kuha, about 10km upstream, was continuously recording water levels throughout the flood.

New biodiversity memoir on the primnoid corals of New Zealand

New biodiversity memoir on the primnoid corals of New Zealand

A group of gorgonian octocorals that provide shelter for fish and invertebrates in the deep sea is the subject of NIWA’s latest Biodiversity Memoir.The NIWA Biodiversity Memoir series describe the taxonomy of New Zealand marine life, mostly for invertebrates such as sponges, corals, marine worms, molluscs, crustaceans and sea stars.

Seabirds spend nearly 40% of their time on high seas, study finds

Seabirds spend nearly 40% of their time on high seas, study finds

NIWA seabird ecologist Dr David Thompson says while seabird tracking research has not been carried out for all albatrosses and large petrels in New Zealand, we know that several species also spend time in Chile and Peru, in Japan and the USA in the north Pacific Ocean, while others visit Namibia and South Africa.

Shark numbers decline amid research gaps

Shark numbers decline amid research gaps

New research published in premier science journal Nature last week, with input from NIWA, showed the global population of oceanic sharks and rays has declined by more than 70 per cent in the past 50 years, with ongoing decline likely to lead to the extinction of some species.

COVID science celebrated

COVID science celebrated

Mr Morgan acknowledged the challenges faced by everyone this year and said that Science New Zealand was committed to providing science solutions – ensuring that knowledge was applied to benefit society.

2020 in top 10 warmest years for New Zealand

2020 in top 10 warmest years for New Zealand

Forecaster Ben Noll says that if that remains the same, then this year would be the 7th warmest on record for New Zealand,.Mr Noll says a variable January and cooler March this year is what will most likely keep New Zealand out of the top five.

Marine heatwave conditions forming: NIWA

Marine heatwave conditions forming: NIWA

NIWA forecasters say a marine heatwave is forming around parts of New Zealand after sea surface temperatures (SSTs) warmed considerably last month.

Chance find leads to first look at coral larvae

Chance find leads to first look at coral larvae

Small orange flecks spotted floating around in a respiration chamber at a NIWA laboratory have led to a discovery about the spawning habits of a deep-sea stony coral in New Zealand waters.

NIWA scientists make salmon farming breakthrough

NIWA scientists make salmon farming breakthrough

The industry is looking to expand by farming in more exposed locations, but NIWA aquaculture scientist Dr Javed Khan says such growth is likely to be constrained unless new approaches are taken in the hatcheries that supply the juvenile fish to the farms.

Winter 2020 – NZ’s warmest winter on record

Winter 2020 – NZ’s warmest winter on record

This year’s result also means seven of the 10 warmest winters on record in New Zealand have occurred since the year 2000.This was the highest temperature recorded there during winter since records began in 1885 and the equal-4th warmest winter temperature on record for New Zealand as a whole.

Squat lobster memoir hot off the press

Squat lobster memoir hot off the press

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.Kareen’s memoir gives detailed information about 87 species of squat lobster in the New Zealand region.

Nameless nodes get new look from NIWA

Nameless nodes get new look from NIWA

Pelorus Ridge was officially granted its title by the New Zealand Geographic Board (NZGB) last week, along with 42 other place names for undersea features in New Zealand waters.Mr Mackay says the naming of Pelorus Ridge carries on a tradition of undersea features connected to NIWA.

During Lockdowns, the Earth (Sort of) Stood Still

During Lockdowns, the Earth (Sort of) Stood Still

“We see it effectively moving around the globe as a seismic lockdown wave,” says Royal Holloway University of London seismologist Paula Koelemeijer, one of the paper’s coauthors.“Earthquakes are often really lower frequencies than the seismic signals from human activities,” says Koelemeijer.

The Quest to Purge New Zealand of Invasive Predators

The Quest to Purge New Zealand of Invasive Predators

In 2015, New Zealand’s government launched a nationwide effort called Predator Free 2050 with a $17 million (28 million New Zealand dollars) investment to rid the country’s 164,375 square miles of invasive mammals in the next three decades.

NIWA staffer eyeballs COVID-19 modelling

NIWA staffer eyeballs COVID-19 modelling

Before Samik came to work at NIWA he spent five and a half years as a post-doctoral researcher in the epidemiological modelling group at the University of Warwick.

Auckland’s drought most extreme in modern times

Auckland’s drought most extreme in modern times

As weather systems tracked toward New Zealand from the west and north, they lacked moisture because of cooler eastern Indian Ocean seas caused by the IOD.NIWA’s climate change expectations suggest spring average rainfall decreases for northern New Zealand, including Auckland.

Tangaroa heads back to sea – with social distancing

Tangaroa heads back to sea – with social distancing

Planning for this voyage has presented a few challenges for NIWA vessel operations manager Greg Foothead as he waited to hear if lockdown restrictions would be eased in time for the ship to leave.

Huge waves on Wellington coast to ease later today, says NIWA

Huge waves on Wellington coast to ease later today, says NIWA

High waves pounding Wellington’s south coast today are being caused by a deep area of low pressure passing the Chatham Islands, according to NIWA forecaster Ben Noll.Mr Noll said the low was responsible for generating strong winds and large waves between the Chathams and mainland New Zealand.

NIWA Essential Services: COVID-19

NIWA Essential Services: COVID-19

These are broadly defined as hazard monitoring, resilience, diagnostics for essential services like biosecurity, maintaining animal facilities, and infrastructure that requires constant attention (e.g., security of samples, collections and computing facilities), as follows.

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

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

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.

Ten years of the weather with you

Ten years of the weather with you

The Seven Station Series dates back to 1909 and shows New Zealand’s average annual temperature has increased by about 1ᵒC over the past 100 years.Takahe Valley (Southland), 9.61 °C (record length 3419 days) Lowest average mean daily temperature :.

Why Volcanologists Didn't Predict New Zealand's Deadly Eruption

Why Volcanologists Didn't Predict New Zealand's Deadly Eruption

On Monday, at 2:11 pm local time, New Zealand’s White Island volcano unexpectedly erupted, blasting a superheated plume of ash, sulfur gas, and steam 12,000 feet in the air and blanketing the crater’s floor in powdered rock and debris.

Scientist pieces together details of underwater landslides

Scientist pieces together details of underwater landslides

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.

The week it snowed everywhere

The week it snowed everywhere

Novel handwriting recognition project casts new light on historic weather data.NIWA climate scientist Dr Andrew Lorrey says the project has the potential to revolutionise how historic data can be used.

‘Blooming heck’ - Microalgae feature in latest biodiversity memoir

‘Blooming heck’ - Microalgae feature in latest biodiversity memoir

A group of microscopic algae that form vast aquamarine blooms off the east coast is the subject of NIWA’s latest Biodiversity Memoir.Measuring as small as three microns (0.003 mm), powerful scanning electron microscopes are needed to look at the algae in detail.

The Glorious Victories of Trans Athletes Are Shaking Up Sports

The Glorious Victories of Trans Athletes Are Shaking Up Sports

The International Olympic Committee has more granular rules: Transgender women can compete in the women’s category as long as their blood testosterone levels have been maintained below 10 nano moles per liter for a minimum of 12 months.

Leopard seal Owha injured in Auckland Harbour

Leopard seal Owha injured in Auckland Harbour

NIWA Marine Mammal Biologist Dr Krista Hupman says photos of Owha’s injuries taken by members of , a non-for profit organisation set up to conduct research and raise awareness of leopard seals in New Zealand waters, showed blood coming from Owha’s nostrils and smeared on her face.

Fish snack on microplastics

Fish snack on microplastics

Microplastics are being fed to snapper, New Zealand’s most popular recreational fish species, at NIWA’s aquaculture research facility near Whangarei in a bid to establish some baseline data about how fish are being affected.