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.

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.

The Wetlands Are Drowning

The Wetlands Are Drowning

“We often call them ecosystem engineers,” says Pat Megonigal, an ecologist who directs the Smithsonian’s Global Change Research Wetland and studies the plants.For a long while, wetland researchers have wondered whether that skill could help the plants build their way out of climate change.

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 New Database to Drive Seabird Conservation

A New Database to Drive Seabird Conservation

Now, a new database of seabird restoration projects will aid these conservation efforts, providing an essential resource for practitioners working to protect the world’s most imperiled group of birds.TNC is using social attraction tools, like decoys and sound systems, to restore seabird populations on Palmyra.

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.

The Desert’s Fragile Skin Can’t Take Much More Heat

The Desert’s Fragile Skin Can’t Take Much More Heat

Eighty-five miles from the small town of Moab, Utah, located on the Colorado Plateau in the southwest of the US, soil ecologist Rebecca Finger-Higgens is hopscotching on copper-toned sandstone to avoid stepping on the desert’s black, burnt-looking crust of soil.

Burning Crops to Capture Carbon? Good Luck Finding Water

Burning Crops to Capture Carbon? Good Luck Finding Water

One controversial idea is known as bioenergy with carbon capture and storage, or BECCS: You’d grow crops and burn them for energy, then capture the emissions coming out of the facility and pump them underground as liquefied gas.

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.

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.

It’s Not Too Late to Stop Mass Extinction in the Ocean

It’s Not Too Late to Stop Mass Extinction in the Ocean

Temperatures around the tropics shot up by 10 degrees Celsius and deep-sea currents slowed down, which starved the oceans of oxygen.In the other scenario, lower emissions keep temperature increases to just under 2 degrees Celsius by the end of the century.

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.

How Prescribed Burns Can Help Restore Eastern US Forests

How Prescribed Burns Can Help Restore Eastern US Forests

A growing movement of scientists, land management agencies, conservation organizations, and Indigenous groups is working to return fire to marshes like this one and to fire-adapted forests and grasslands throughout the United States.

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.

Protecting and Restoring the Floodplain Forest

Protecting and Restoring the Floodplain Forest

© Chuck Peoples / TNC In 1989, the Conservancy purchased 10,626 acres along the river that became the Roanoke National Wildlife Refuge.Since 2002, the Conservancy has worked with the Corps of Engineers on dam releases that mimic natural flows, providing pulses of water to the floodplain forest that provide for vegetation and fish migration and spawning.

Hotspot Watch 14 April 2022

Hotspot Watch 14 April 2022

In the South Island, a and of moderate-to-heavy rainfall looks to move over Fiordland, Southland and the West Coast on Saturday 15th , delivering widespread 20-80 mm about western areas, and 5-15 mm for other parts of Southland and southern Otago.

Biofuels Are Getting a Second Look—and Some Tough Questions

Biofuels Are Getting a Second Look—and Some Tough Questions

The RFS was supposed to reduce reliance on fuel imports and lessen the environmental impact of the transportation sector, but when it was introduced some scientists warned that it might end up increasing overall emissions.

Understanding why our giant glaciers disappeared in the past gives clues to the future

Understanding why our giant glaciers disappeared in the past gives clues to the future

An international team of climate scientists is working in North Canterbury to try to understand the reasons why giant glaciers disappeared thousands of years ago.

Hotspot Watch 8 April 2022

Hotspot Watch 8 April 2022

The driest soils across the South Island, when compared to normal for this time of year, are found in Southland and southern Otago, while the wettest soils are found in northern coastal Canterbury, about Kaikoura.

Hotspot Watch 31 March 2022

Hotspot Watch 31 March 2022

In the North Island, soil moisture levels were generally normal or above normal, for the time of year, with the exception of the Hauraki Plains in Waikato, the Kaipara District in Northland, and around New Plymouth in Taranaki.

New national rainfall record surpasses 56-year-old record

New national rainfall record surpasses 56-year-old record

NIWA meteorologists say the 103 mm of rain from 4am-5am recorded at Maungatapere near Whangārei on Monday 21 March is a new national hourly rainfall record for a low elevation station.

The Deadly Cyclone That Changed the Course of the Cold War

The Deadly Cyclone That Changed the Course of the Cold War

I. Landfall: Manpura Island, East Pakistan – November 12, 1970.Hai couldn’t see his face but knew that his uncle was smiling, as he always did when the family headed out into the Bay of Bengal to catch dinner.

Hotspot Watch 24 March 2022

Hotspot Watch 24 March 2022

As of 22 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are located in Northland, Auckland, northern Waikato, western Bay of Plenty, coastal Otago, and much of Southland.

Underwater Permafrost Is a Big, Gassy Wild Card for the Climate

Underwater Permafrost Is a Big, Gassy Wild Card for the Climate

“I think it's just absolutely remarkable that there are places on the seafloor where changes of this scale are happening at this rate,” says Monterey Bay Aquarium Research Institute marine geologist Charlie Paull, a coauthor on the paper.

Hotspot Watch 18 March 2022

Hotspot Watch 18 March 2022

This resulted in moderate to large soil moisture decreases across nearly the entire North Island, with the exception of parts of Gisborne and northern Hawke’s Bay. The driest soils across the North Island, when compared to normal for this time of the year, are found across much of Northland, Auckland, northern Waikato, interior Bay of Plenty, and East Cape, while the wettest soils for this time of the year are found in Kāpiti Coast and Wairarapa.

Hotspot Watch 11 March 2022

Hotspot Watch 11 March 2022

As of 8 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located in parts of Northland, Auckland, northern Waikato, coastal Otago, and much of Southland.

Mean heat: Marine heatwaves to get longer and hotter by 2100

Mean heat: Marine heatwaves to get longer and hotter by 2100

New research from the Deep South Challenge: Changing with our Climate and NIWA shows that New Zealand could experience very long and “very severe” marine heatwaves by the end of the century.