Seen a stunning sunrise or sunset lately? The Tongan volcano may be the cause

Seen a stunning sunrise or sunset lately? The Tongan volcano may be the cause

To understand these sightings, the forecasting team contacted their colleagues at the Lauder Atmospheric Research Station in Central Otago, who confirmed that their ground-based LIDAR (Light Detection and Ranging) instrument has been detecting unusual spikes in aerosols in the stratosphere, at around 20-25 kilometres above New Zealand.

How Lost Hikers Can Send an SOS to Space

How Lost Hikers Can Send an SOS to Space

These instruments, part of the National Oceanic and Atmospheric Administration’s Search and Rescue Satellite-Aided Tracking program (Sarsat), picked up the signal and immediately pinged alerts to Earth.

The Last-Ditch Effort to Save Wild Salmon

The Last-Ditch Effort to Save Wild Salmon

Mill Creek is part of the Russian River watershed, which drains 3,900 square kilometers of Sonoma and Mendocino counties.A century ago, roughly 20,000 coho—a salmon species known for spawning in even the smallest creeks—would return to the Russian River and its tributaries in a typical year.

In the snow: new tool to advise New Zealanders of snow conditions

In the snow: new tool to advise New Zealanders of snow conditions

NIWA’s Snow and Ice Network (SIN) provides information on snowfall, depth of snowpack, snow melt and climate for ten alpine sites across New Zealand, including Mueller Hut above Mount Cook Village.

A Pandemic Tragedy on Brazil’s Lago Verde

A Pandemic Tragedy on Brazil’s Lago Verde

The Indigenous leader, whose life story is inextricably linked with the struggle for the rights and recognition of the Borari people, was beloved in her village, Alter do Chão, Brazil, along the banks of the Tapajós River in the western state of Pará.Dona Lusia died from Covid-19 , which generated trepidation and fear.

Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

Researchers from Sustainable Seas and Our Land & Water National Science Challenges are involved in a two-year project called Ki uta ki tai: Estuaries, thresholds and values, which includes interwoven critical steps funded by MfE.

‘Plastitar’ Is the Unholy Spawn of Oil Spills and Microplastics

‘Plastitar’ Is the Unholy Spawn of Oil Spills and Microplastics

“We saw that the tar was completely full of mainly plastics,” says Javier Hernández-Borges, an analytical chemist at the University of La Laguna and coauthor of a new paper in the journal Science of the Total Environment.

Let’s Get Our Shit Together—Literally

Let’s Get Our Shit Together—Literally

According to its 2020 annual report, in that year the company shipped 3,445 fecal microbiota transplantation treatments to more than 1,250 hospitals and clinics across the US.Animal poops are similarly prized by scientists as a window into an animal’s identity, diet, movements, stress state, sex, maturity, reproduction, habits, predator–prey relationships, overall health, pollution exposure, parasites, and microbiome.

Why Was the Tonga Eruption So Massive? Scientists Have New Clues

Why Was the Tonga Eruption So Massive? Scientists Have New Clues

A team of scientists from New Zealand’s National Institute of Water and Atmospheric Research, or NIWA, recently observed something different.The slopes of the underwater volcano are still largely as they were before the eruption; the same features still contour the surrounding seafloor.

How Scientists Fish: The Hand Line

How Scientists Fish: The Hand Line

“You’ll know,” says Kydd Pollock, fisheries science manager for The Nature Conservancy and research leader for the Fishing for Science program at Palmyra Atoll.He had substantial experience with a form of hand line: He tagged more than 2,500 sharks at Palmyra using the method.

Tonga eruption discoveries defy expectations

Tonga eruption discoveries defy expectations

NIWA’s research vessel, RV Tangaroa , has returned from a month-long expedition as part of the Nippon Foundation-funded Tonga Eruption Seabed Mapping Project (TESMaP), where scientists were studying the effects of January’s eruption of Hunga Tonga–Hunga Ha'apai (HT – HH).

What the World’s Largest Organism Reveals About Fires and Forests

What the World’s Largest Organism Reveals About Fires and Forests

“If there were no trees dying, I wouldn’t have a job,” says forest pathologist Mike McWilliams, who calls himself the unofficial tour guide of the massive fungus.McWilliams continues driving, following dirt roads deeper into the forest, where the trees become smaller and closer together.

Hotspot Watch 20 May 2022

Hotspot Watch 20 May 2022

As of 17 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of Waikato, northern Manawatū-Whanganui, much of the upper South Island, Banks Peninsula, and much of Otago.

Carbon-Rich Peat Is Disappearing. But Is It Also Growing?

Carbon-Rich Peat Is Disappearing. But Is It Also Growing?

Yet the Arctic is warming up to four times as fast as the rest of the planet, making permafrost thaw so rapidly that it’s gouging holes across the landscape , releasing carbon.

A Powerful ISS Instrument Will Hunt for Minerals in Dusty Lands

A Powerful ISS Instrument Will Hunt for Minerals in Dusty Lands

“Nobody wants to go to the middle of the desert to figure out what soils are.” So Mahowald has been collaborating with NASA on the Earth Surface Mineral Dust Source Investigation mission, or EMIT, which launches to the International Space Station next month.

Hotspot Watch 13 May 2022

Hotspot Watch 13 May 2022

As of 10 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of Waikato and Manawatū-Whanganui, and much of the upper South Island and Otago.

Survey provides snapshot of harbour’s health

Survey provides snapshot of harbour’s health

Greater Wellington Regional Council regularly assess sediment quality and seafloor community health in the subtidal areas of Te Awarua-o-Porirua (Porirua Harbour) and Te Whanganui-a-Tara (Wellington Harbour).

Seeing the Forest for the Deer: Alaskan Scientists Harness Big Data for Conservation

Seeing the Forest for the Deer: Alaskan Scientists Harness Big Data for Conservation

For scientist Sophie Gilbert, who spent four recent summers tracking the movements of Sitka black-tailed deer in the Tongass National Forest in a project with the Alaska Department of Fish and Game, that means notebooks with waterproof paper.

Ticks Are Spreading in the US—and Taking New Diseases With Them

Ticks Are Spreading in the US—and Taking New Diseases With Them

That’s a problem, because research shows tick species are expanding into new areas and carrying greater amounts of pathogens as they move.

Stories from Palmyra: The Recapture

Stories from Palmyra: The Recapture

On the next Fishing for Science trip in February of this year, a scientific angler caught a bluefin trevally that had been tagged on February 6, 2020, at liberty for 753 days.Giant trevally caught and tagged on a Fishing for Science trip in February 2022.

Hotspot Watch 6 May 2022

Hotspot Watch 6 May 2022

As of 3 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of the upper South Island, much of Otago, eastern Southland, and Stewart Island.

How to Embrace Despair in the Age of Climate Change

How to Embrace Despair in the Age of Climate Change

In the early days of the Covid-19 pandemic, Charlie Glick, a musician in his late twenties living in California, was strolling through LA’s Atwater Village neighbourhood, thinking about work.

Hotspot Watch 29 April 2022

Hotspot Watch 29 April 2022

As of 26 April, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of the upper South Island, West Coast, Otago, and Southland.

Fishing for Science on Palmyra Atoll

Fishing for Science on Palmyra Atoll

© Kydd Pollock / TNC My fishing partner, Kawika Auld, a master angler from Hawaii, is already by the side of the boat, gloves on and ready to go.After 10 days, we had tagged more than 240 trevally, more than any previous Fishing for Science trip.

Easy access to environmental research data

Easy access to environmental research data

New Zealand’s seven Crown Research Institutes (CRIs) have created the National Environmental Data Centre (NEDC) website to make the environmental information held by CRIs more accessible to all New Zealanders.

Broken EV Chargers Could Stall the Electric Car Movement

Broken EV Chargers Could Stall the Electric Car Movement

The vast majority of electric vehicle drivers today do their charging at home, and the country has nearly 46,500 public fast chargers, which can typically charge a battery in 20 to 30 minutes, to fill in the gaps.

Hotspot Watch 22 April 2022

Hotspot Watch 22 April 2022

As of 19 April, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located in parts of the West Coast, central Otago, and northern Southland.

The Surprising Climate Cost of the Humblest Battery Material

The Surprising Climate Cost of the Humblest Battery Material

But a pair of recent studies suggest that those estimates are woefully out-of-date and undercounted, failing to include the energy-intensive processes required to produce modern, anode-ready graphite.Knowing the approximate carbon intensity of the power supply, he began mapping out the laborious steps for turning that graphite into anodes.

Wikipedia Editors Are Ready to Stop Accepting Crypto Donations

Wikipedia Editors Are Ready to Stop Accepting Crypto Donations

More than 200 longtime Wikipedia editors have requested that the Wikimedia Foundation stop accepting cryptocurrency donations.Earlier this month, the Mozilla Foundation announced it would stop accepting cryptocurrencies that use the energy-intensive proof-of-work consensus process.

​​Oceans Aren’t Just Warming—Their Soundscapes Are Transforming

​​Oceans Aren’t Just Warming—Their Soundscapes Are Transforming

Changes in salinity, temperature, and pressure change how the sea sounds, with unknown impacts on the life-forms that depend on that noise to survive.