Wednesday, September 18, 2019
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Antarctic ice

Cause of Long, Potentially Damaging Channels on Antarctic Ice Shelves Found

Glaciers in Antarctica are remote and difficult to study, which means much about their behaviour is unknown. These knowledge gaps mean scientists cannot be...
Antarctic warmingvideo

Moderate Warming, If Sustained, Could Melt the ‘Sleeping Giant’ of Antarctica

New research on Antarctic sediment layers has shown that the East Antarctic Ice Sheet (EAIS), also known as Antarctica’s ‘sleeping giant’, retreated during extended warm periods...
insulating gelvideo

From Office Windows to Mars: Scientists Debut Super-Insulating Gel

Can a new type of transparent gel, made from readily-available beer waste, help engineers build greenhouses on Mars?CU Boulder physicists have developed an insulating...
internet in space

Disruption Tolerant Networking to Demonstrate Internet in Space

NASA’s Human Exploration and Operations and Science Mission Directorates are collaborating to make interplanetary internet a reality.They’re about to demonstrate Delay/Disruption Tolerant Networking, or DTN...
Antarctica’s coldest temperatures

New Study Explains Antarctica’s Coldest Temperatures

Tiny valleys near the top of Antarctica’s ice sheet reach temperatures of nearly -100 degrees Celsius, according to a new study published this week in Geophysical Research...
West Antarctic Ice Sheet

The Bedrock Below West Antarctica Is Rising Surprisingly Fast

An international team of researchers, with a new study published in Science with DTU Space as lead author, finds that the bedrock below the...
penguins

“Supercolony” of Adélie Penguins Discovered in Antarctica

For the past 40 years, the total number of Adélie Penguins, one of the most common on the Antarctic peninsula, has been steadily declining—or...
Antarctic Ice

Massive East Antarctic Ice Sheet Has History of Instability

The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice...
ocean

Undersea Topography Generates Hot Spots of Ocean Mixing

Using underwater robots in the waters surrounding Antarctica, scientists at Caltech have shown that the intersection of strong currents with the slope of landmasses...
climate change

Deep Waters Spiral Upward Around Antarctica

Since Captain James Cook’s discovery in the 1770s that water encompassed the Earth’s southern latitudes, oceanographers have been studying the Southern Ocean, its physics, and...
climate change

How Antarctic Ice Melt Can Be a Tipping Point for the...

Melting of Antarctica’s ice can trigger rapid warming on the other side of the planet, according to our new research which details how just...
Arctic temperature

Ancient Tree Reveals Cause of Spike in Arctic Temperature

A kauri tree preserved in a New Zealand peat swamp for 30,000 years has revealed a new mechanism that may explain how temperatures in...
climate change

Massive Antarctic Volcanic Eruptions Triggered Abrupt Southern Hemisphere Climate Changes Near...

New findings published today in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) by Desert Research Institute...
methane

Methane-eating Microbes Found Beneath Antarctica’s Melting Ice Sheets

Lurking in a lake half a mile beneath Antarctica’s icy surface, methane-eating microbes may mitigate the release of this greenhouse gas into the atmosphere...
Antarctic Ice Sheet

New Research Shows Growth of East Antarctic Ice Sheet Was Less...

Its eastern neighbour is, however, ten times larger and has the potential to raise global sea level by some 50 metres.Despite its huge size...
global warming

Sea levels could rise by more than three metres, shows new...

Global sea levels could rise by more than three metres – over half a metre more than previously thought – this century alone, according...
climate

Tibet Sediments Reveal Climate Patterns from Millions of Years Ago

The Tibetan Plateau in China experiences the strongest monsoon system on Earth, with powerful winds—and accompanying intense rains in the summer months—caused by a...
climate

Climate Experts Release Latest Science on Sea Level Rise Projections

In a compelling analysis of the factors that affect how much the ocean will rise along California's coast in coming decades, a seven-member team...
Polar glaciers

Polar Glaciers May Be Home to Previously Undiscovered Carbon Cycle

Microbes in streams flowing on the surface of glaciers in the Arctic and Antarctic may represent a previously underestimated source of organic material and...
atmospheric sulfate and nitrate

Isotopic Makeup of Atmospheric Sulfate and Nitrate

Oxygen has three stable isotopes (16O, 17O and 18O). Enrichment of 17O relative to the dominant 16O is normally about half of that of...