OCEANOGRAPHY

Diminishing Arctic sea ice has lasting impacts on global climate

As the impacts of climate change are felt around the world, no area is experiencing more drastic changes than the northern polar region. Studies...

Record low Antarctic sea ice extent could signal shift

Sea ice around Antarctica shrank to the smallest extent on record in February, five years after the previous record low, researchers said Tuesday, suggesting...

Understanding why our giant glaciers disappeared in the past gives clues to the future

An international team of climate scientists is working in North Canterbury to try to understand the reasons why giant glaciers disappeared thousands of years...

Researchers reveal variations in Arctic amplification effect during past millennium

The recent amplified warming in the Arctic during the last decades has received much attention. But how Arctic amplification (AA) has varied on longer...

Melting ice caps may not shut down ocean current

Most simulations of our climate's future may be overly sensitive to Arctic ice melt as a cause of abrupt changes in ocean circulation, according...

Solar energy explains fast yearly retreat of Antarctica’s sea ice

In the Southern Hemisphere, the ice cover around Antarctica gradually expands from March to October each year. During this time the total ice area...

Warmer summers and meltwater lakes are threatening the fringes of the world’s largest ice sheet

A first-of-its-kind study looking at surface meltwater lakes around the East Antarctic Ice Sheet across a seven-year period has found that the area and...

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