Friday, December 2, 2022

Antarctica

Scientists discovered a river longer than Thames beneath the Antarctic ice sheet

An unexpected river under the Antarctic ice sheet affects the flow and melting of ice.

A 4-Billion-year-old ancient piece of Earth’s crust found underneath Western Australia

Lasers light the way to the discovery of ancient crust.

Antarctica’s ice shelves may be melting at an accelerated rate

How do coastal ocean currents increase Antarctic ice shelf melt?

A New Antarctica study shows that levels of toxic chemicals increased markedly

Levels of ‘forever chemicals’ reaching the remote continent have been increasing.

Microplastics found in fresh snow in Antarctica

A serious threat to the Antarctic.

Giant groundwater system discovered in sediments below Antarctic ice

Previously unmapped reservoirs could speed glaciers, and release carbon.

Scientists identified the biggest threats to the largest remaining ice shelf on the Antarctic Peninsula

This is the first study to examine all of these factors over the long term.

A-76 is the world’s largest iceberg

It measures around 4320 sq km in size.

Previous ice loss events caused sea levels to rise around 3.6 meters per century

Melting ice sheets caused sea levels to rise up to 18 metre.

Scientists discovered strange creatures far beneath Antarctica’s ice shelves

The discovery of an established community consisting of only sessile, probably filter-feeding, organisms.

Understanding sea ice processes in a region of Antarctica

A Kiwi research team has, for the first time ever, used a fixed wing aircraft to measure the thickness of a huge area of sea ice in Antarctica.

Coronavirus has landed in the last continent previously free from Covid-19

Covid cases have now been recorded on all seven continents.

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