OCEANOGRAPHY

Scientists find evidence of world’s oldest glaciers

Scientists have discovered the traces of the world's oldest known glaciers, dating from 2.9 billion years ago, in rocks sitting under the world's largest...

Dangerous slowing of Antarctic ocean circulation sooner than expected

Scientists have said that an acceleration of melting Antarctic ice and rising temperatures, driven by the emission of planet-warming gases, is expected to have...

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

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....

Why Antarctic ice shelves are losing their mass and how it leads to global sea level rise

The Greenland ice sheet (GIS) and Antarctic ice sheet (AIS) contribute largely to global mean sea level (GMSL) changes, though the seas surrounding the...

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

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 in Arctic race to preserve ‘ice memory’

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

Scientists identify heat wave at bottom of ocean

The 2013-2016 marine heat wave known as "The Blob" warmed a vast expanse of surface waters across the northeastern Pacific, disrupting West Coast marine...

Alaska study compares ground motion, magnitude estimates from satellite and seismic records

When it comes to making a rapid estimate of ground motion and moment magnitude for an earthquake, using data from Global Navigation Satellite Systems...

How thick is Antarctic ice, and what is underneath?

Ice at the edge of the Antarctic continent hosts a flourishing ecosystem. Seals and penguins breed, fish mature, and algae thrive, all thanks to...

Antarctica sea ice melts to a record low

The Antarctic Ocean area covered by ice has shrunk to a record low, exposing the thicker ice shelves buttressing Antarctica's ground ice sheet to...

Glacier lakes swollen by global warming threaten millions

Violent flooding from glacier lakes formed or enlarged by climate change threatens at least 15 million people worldwide, most of them in four countries,...

Researchers build more detailed picture of the movement of the Greenland Ice Sheet

Researchers have found that the movement of glaciers in Greenland is more complex than previously thought, with deformation in regions of warmer ice containing...

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