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.

India Isn’t Ready for a Deadly Combination of Heat and Humidity

India Isn’t Ready for a Deadly Combination of Heat and Humidity

When heat and humidity combine to push wet-bulb temperatures past 32 degrees Celsius, physical exertion becomes dangerous.On May 1, 2022, the wet-bulb temperature in Lakshmanan’s home city of Chennai hit 31 degrees Celsius.

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.

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.

Spring Flowers Are Blooming Earlier in Greater Yellowstone

Spring Flowers Are Blooming Earlier in Greater Yellowstone

But climate change is knocking the timing of flowering and fruiting out of whack for many plants in the Greater Yellowstone Ecosystem according to a new study authored by scientists at The Nature Conservancy (TNC) in Wyoming.

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.

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.

A New Gas-Guzzling Postal Fleet Could Be Halted by Lawsuits

A New Gas-Guzzling Postal Fleet Could Be Halted by Lawsuits

“Once this purchase goes through, we’ll be stuck with more than 100,000 new gas-guzzling vehicles on neighborhood streets, serving homes across our state and across the country, for the next 30 years,” Bonta said.

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.

The Pandemic Gave Scientists a New Way to Spy on Emissions

The Pandemic Gave Scientists a New Way to Spy on Emissions

For example, they can add up how much gasoline is being burned and how many fossil fuel power plants are running at a given time, to calculate how much carbon is being exhaled into the atmosphere.

Give Fitbits (of Sorts) to the Trees

Give Fitbits (of Sorts) to the Trees

Using off-the-shelf accelerometers, researchers have been quantifying how trees sway differently over time: when they’re warmer or colder, hydrated or dehydrated, weighed down by snow or unburdened.But with accelerometers, scientists have a new way of measuring how much rain or snow a particular tree in a forest ends up intercepting.

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.

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.

The Concrete Jungle Is Turning Green Again

The Concrete Jungle Is Turning Green Again

Their city eventually grew to more than twice Uruk’s population, and today Anuradhapura is one of the world’s oldest continuously inhabited cities and still cares for a tree planted over 2,000 years ago.

Look at that Lek! 9 Birds That Put on a Show

Look at that Lek! 9 Birds That Put on a Show

In spring, male sage grouse gather on leks to attract females.Most species of bustard lek, and birders familiar with sage grouse and prairie chicken will find their displays familiar: strutting and stamping, and a lot of inflated air sacs.

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.

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.

Why You (and the Planet) Really Need a Heat Pump

Why You (and the Planet) Really Need a Heat Pump

Or, in the winter, a heat pump can warm a building by operating as a sort of “reverse refrigerator,” extracting heat from even cold outdoor air and bringing it inside.

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.

Hotspot Watch 4 March 2022

Hotspot Watch 4 March 2022

As of 2 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located across much of western Northland, Auckland, northwest Waikato, Southland and the pockets of the coastal fringe of Clutha.

Ukraine Is in an Environmental Crisis Too

Ukraine Is in an Environmental Crisis Too

The health effects of these kinds of wartime incidents are likely to be felt long after the physical conflict subsides, says Doug Weir, director of research and policy at the UK-based Conflict and Environment Observatory.

In Alaska, Beavers Are Engineering a New Tundra

In Alaska, Beavers Are Engineering a New Tundra

“Nearby that one is another one, about five miles out is another one, and that’s just one little area.” Harris (Inupiaq) was born in 1957 and spent his childhood across Kotzebue Sound in Sisualik.

Air Pollution May Keep Insects From Stopping to Smell the Flowers

Air Pollution May Keep Insects From Stopping to Smell the Flowers

Compared to the control, the number of flower landings decreased by 89 percent for diesel, 83 percent for ozone, and 90 percent for both.“Our results suggest that air pollution is another potential stressor to add to the growing pressures on pollinators”—a list that already includes disease, habitat loss , and pesticides, says lead author James Ryalls, a research fellow studying the chemical ecology of plant-insect interactions.

Hotspot Watch 25 February 2022

Hotspot Watch 25 February 2022

As of 22 February, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located across much of Northland, Auckland, and Waikato.