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.

Planning an ocean observation network

Planning an ocean observation network

NIWA coastal physicist Dr Joanne O’Callaghan is part of a working group aiming to establish a collaborative New Zealand ocean observing network.Climate change is making its presence felt in New Zealand waters with marine heatwaves, increasing ocean acidification and sea level rise.”.

Fiordland air samples revealing carbon secrets

Fiordland air samples revealing carbon secrets

As part of CarbonWatch NZ, NIWA atmospheric scientist Dr Peter Sperlich is sending specially designed glass flasks on fortnightly trips from Wellington to Fiordland to collect air samples that are then analysed in Wellington, Taiwan and the US.

NIWA UV research reinforces success of Montreal Protocol

NIWA UV research reinforces success of Montreal Protocol

On the eve of the 30th anniversary since the Montreal Protocol came into force, new research by NIWA scientists reinforces its reputation as the world’s most successful environmental treaty.

Rare weather phenomenon possible

Rare weather phenomenon possible

Called a Sudden Stratospheric Warming (SSW), it occurs when the temperature of the stratosphere (30-50km above ground) over the South Pole rises by more than 25ᵒC.The Southern Hemisphere is characterised by a cold Antarctic continent surrounded by relatively warm seas.

5G and NZ weather forecasting

5G and NZ weather forecasting

Dr Schmidt, who is also the New Zealand representative for the World Meteorological Organization’s Global Climate Observing System, said the international science community was working with governments to protect radio frequencies vital to earth observations.

New Zealand to have world-leading hazard risk modelling tool

New Zealand to have world-leading hazard risk modelling tool

EQC, GNS Science and NIWA have joined forces to further develop world-leading natural hazards risk modelling for New Zealand. Mr Morgan said the new partnership will broaden use of RiskScape to include more government, council and infrastructure company users, enabling more people to get a better understanding of the potential costs of natural hazards.

Seasonal records set to fall like autumn leaves

Seasonal records set to fall like autumn leaves

With just a few days of autumn left, prolonged warm weather and less rain than normal means some spots across New Zealand are heading for the record books. • Taupo – on track for 2nd warmest Autumn – records began 1949.

Owha and her friends awarded citizenship

Owha and her friends awarded citizenship

It’s a huge step forward for the leopard seal according to NIWA cetacean biologist Dr Krista Hupman, who largely attributes this success to Owha who made the Waitemata Harbour her home in 2012. NIWA Cetacean Biologist/Ecologist Dr Krista Hupman has helped getting leopard seals a new residential status in New Zealand waters.