Tag: arctic

Treasures beneath the ocean floor? Seawater plays role in gold formation

EARTH
Understanding how gold forms is crucial for knowing where to find it and how to extract it sustainably. McGill researchers have answered a long-standing question in geology that could lead to new ore discoveries. Researchers traveled to...

High-resolution land surface dataset provides Earth system modeling details

EARTH
Earth system models (ESMs) help us understand climate and environmental changes. With advances in computing power, ESMs can now be run at kilometer-scale (k-scale) resolutions, capturing very fine details to better predict extreme weather and understand...

New study sheds light on how much methane is produced from Arctic lakes and wetlands

OCEANOGRAPHY
When it comes to greenhouse gases, methane is one the biggest contributors. Not only is it massively abundant—it's about 25 times more potent than...

Arctic archipelago turns the page on its mining past

EARTH
At the old Svea mine in the Arctic, broken railway tracks overgrown with weeds lead nowhere. Of the hundred buildings that once made up...

Making Arctic field geology accessible by digitizing outcrops

GEOLOGY
The Svalbox Digital Model Database (DMDb) just made its formal debut into the scientific community in a new article published in the journal Geosphere. The...

Long-term river chemistry study reveals how the Arctic is changing

OCEANOGRAPHY
A Florida State University scientist has helped uncover through a multidecadal study how changing water chemistry in Arctic rivers could impact the entire planet. New...

Ozone treaty is delaying first ice-free Arctic summer, shows study

OCEANOGRAPHY
A 1987 global deal to protect the ozone layer is delaying the first ice-free Arctic summer by up to 15 years, new research shows....

From Arctic to Alps, icy exploration expands understanding of global warming

OCEANOGRAPHY
Microalgae in sediments signal what happened in the environment thousands of years ago, illuminating the range of future climate-change impacts. The scientists deployed a heavy-duty...

Scientists save ancient Arctic ice in race to preserve climate history

EARTH
Scientists have succeeded in saving samples of ancient Arctic ice for analysis in a race against time before it melts away due to climate...

World’s biggest cumulative logjam, newly mapped in the Arctic, stores 3.4 million tons of carbon

EARTH
Throughout the Arctic, fallen trees make their way from forests to the ocean by way of rivers. Those logs can stack up as the...

Scientists in Arctic race to preserve ‘ice memory’

EARTH
Scientists camped in the Arctic are set to start drilling to save samples of ancient ice for analysis before the frozen layers melt away...

EXPLAINER: Arctic blast sweeps US, bomb cyclone possible

OCEANOGRAPHY
An arctic blast is bringing extreme cold, heavy snow and intense wind across much of the U.S. this week—just in time for the holidays. The...

Study shows that strongest Arctic cyclone on record led to surprising loss of sea ice

OCEANOGRAPHY
A warming climate is causing a decline in sea ice in the Arctic Ocean, where loss of sea ice has important ecological, economic and...

Scientists discover southward migration of Arctic Ocean species during the last glacial period

EARTH
In order to survive, a species must find the most favorable habitat to pass on its genes. Therefore, learning how species migrated with climate...
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