Sentences with phrase «calving huge icebergs»

Satellite images reveal clue to the hidden cause of fractures in Antarctic shelf ice that are calving huge icebergs into the south polar seas.

The data show that one relatively small area called the Antarctic Peninsula is melting and calving huge icebergs.

Pine Island Glacier is buttressed by a large, floating ice shelf, which helps to stabilise the glacier, but this ice shelf is itself thinning and recently calved a huge iceberg.

Not exact matches

Reporting this week in the journal Nature Climate Change Dr Hogg and Dr Gudmundsson, examine the events leading up to this dramatic natural phenomenon and discuss how calving of huge icebergs affects the stability of Antarctic ice shelves.

The image shows, at the lower center, a thousand - square - mile iceberg that calved off the huge Larsen Ice Shelf sometime in January or February.

A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect — they increased the production of methane in the tropical wetlands.

However, this iceberg calving event is a natural process, part of how the ice shelf regularly calves — this ice shelf spawns huge icebergs every 6 - 10 years.

Releasing a huge iceberg, by itself, is a normal process, unrelated to warming, but increased calving may occur in the future if the ice shelf continues to thin, which would make it susceptible to plate bending and hydrofracture processes21.

A team of international scientists is due to set off for the world's biggest iceberg, fighting huge waves and the encroaching Antarctic winter, in a mission aiming to answer fundamental questions about the impact of climate change in the polar regions.The scientists, led by the British Antarctic Survey (BAS), are trying to reach a newly revealed ecosystem that had been hidden for 120,000 years below the Larsen C ice shelf on the Antarctic peninsula.In July last year, part of the Larsen C ice shelf calved away, forming a huge iceberg - A68 - which is four times bigger than London, and revealing life beneath for the first time.

And the calving of huge icebergs fuels researchers» fear that, within 100 years, the entire West Antarctic ice sheet could collapse, with disastrous consequences for many coastal cities worldwide.