Sentences with phrase «vast ice sheets on»

The vast ice sheet on the island holds enough water to raise global sea levels by 7.36 meters (24.15 feet) were it all to melt, and the ice melt season of 2012 gave notice that an epic melting of the Greenland Ice Sheet may be underway.

Not exact matches

Evidence of past glacial advance and retreat is also more easily observed in the Dry Valleys, providing a window into the past behavior of the vast Antarctic ice sheets and their influence on global sea levels.

ITS vast ice sheets and monsoon run - off make the Tibetan plateau one of the largest sources of fresh water on an increasingly thirsty planet.

«If protective ice shelves were suddenly lost in the vast areas around the Antarctic margin where reverse - sloping bedrock (where the bed on which the ice sheet sits deepens toward the continental interior, rather than toward the ocean) is more than 1,000 meters deep, exposed grounding line ice cliffs would quickly succumb to structural failure as is happening in the few places where such conditions exist today,» the researchers point out.

Recent summers on the vast, white expanse of the Greenland ice sheet have featured some spectacular ice melt, including an alarming period in 2012 when nearly the whole surface showed signs of melt.

I have a story coming tonight in print on a new paper tracking the impact over time of those iconic drainpipes for meltwater forming each summer on the warming flanks of the vast Greenland ice sheet.

The trends on Antarctica's vast ice sheets are mixed, as well.]

By coincidence, Behar's death came just three days before publication of the latest study on which he is a co-author — a detailed analysis of the melt - water rivers and moulin drains across a 2,000 - square - mile portion of the vast Greenland ice sheet.

Scientists measured how, within hours of the lakes forming, the vast ice sheets rose up, as if floating on water, and slid towards the ocean.

The past two weeks have brought one disturbing story after another about the future of the largest ice sheet on the planet — the vast frozen expanse of the Antarctic continent.

While Greenland's ice loss is astonishing, on the other side of the globe, parts of Antarctica's vast ice sheet may be even less stable.

Our scientists have published many papers in high ranking journals on subjects as varied as build - up of an ice sheet; mass extinctions of life; links between sea ice in the Arctic and climate change; ice sheets that may be hiding vast amounts of methane; and specialised life forms around Arctic methane seeps.