Sentences with phrase «raise global sea levels»

Researchers have already identified evidence of glacier retreat in the West Antarctic and warned that bodies of ice massive enough together to raise global sea levels by three metres could — thanks to global warming as a consequence of fossil fuel combustion — be increasingly unstable.

Just a few months ago two groups of scientists separately concluded that a large segment of the West Antarctic Ice Sheet has begun irreversibly to melt away; this will eventually raise global sea levels by four feet.

Greenland, the world's largest island, holds enough ice to raise global sea levels by 23 feet (seven meters).

Greenland's ice sheet is 1.9 miles thick and contains enough ice to raise global sea levels by about 25 feet (7.5 meters) all told.

When you think in terms of decades or centuries, the most vulnerable part of the West Antarctic Ice Sheet could raise global sea levels as much as 3 meters, Rignot told me.

As opposed to a glaciers or ice sheets, which are found on land, floating ice shelves don't raise global sea levels appreciably when they break off into the ocean and melt.

That loss would raise global sea levels by nearly 2 feet (60 centimeters).

Further... Each degree of global warming might ultimately raise global sea levels by more than 2 meters

The region contains enough ice to raise global sea levels by 4 feet (1.2 meters).

There is enough ice to, when melted completely, raise global sea levels with roughly 58 m.

Although the Amundsen Sea region is only a fraction of the whole West Antarctic Ice Sheet, the region contains enough ice to raise global sea levels by 4 feet (1.2 meters).

Mengel said some simulations produced the warm ocean conditions needed to remove the ice cork within the next 200 years, but It would take around 2,000 years to raise global sea levels by one metre.

Not only will melting Arctic sea ice raise global sea levels, it will also allow the earth to absorb more heat from the sun because ice reflects the sun's rays while blue open water absorbs it.

Taken in the context of steadily worsening climate news, a reasonable person might conclude that all the ice in Antarctica — enough to raise global sea levels 200 feet and paralyze human civilization — may now be vulnerable to melt by the time our grandchildren retire.

If — or more likely when — Thwaites and its neighbour, the Pine Island glacier, ultimately lose all their ice, one estimate suggests that could raise global sea levels by about 3.4 m, enough to affect every coastal city on Earth.

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.

If the entire West Antarctic Ice Sheet were to disintegrate, estimates suggest it could raise global sea levels by 3.3 to 6 meters.

Four degrees of warming could raise global sea levels by 1 or possibly even 2 meters by 2100 (and would lock in at least a few additional meters over future centuries).

Three years of measurements from CryoSat show that the Antarctic Ice Sheet is now losing 159 billion tonnes of ice each year, enough to raise global sea levels by 0.45 mm per year.

Scientists have discovered two seafloor gateways that are hastily melting East Antarctica's largest and most rapidly thinning glacier, threatening to raise global sea levels.

The Antarctic ice sheet contains 70 percent of the world's freshwater, so if this massive slab were to completely melt, it threatens to raise global sea levels by a whopping 197 feet (60 meters).

On average, the world's glaciers and ice caps lost enough water between 1961 and 1990 to raise global sea levels by 0.35 - 0.4 mm each year.

But the ice above sea level equals the water in the Gulf of Mexico and is about enough to raise global sea levels more than 20 feet.

Mengel said some simulations produced the warm ocean conditions needed to remove the ice cork within the next 200 years, but It would take around 2,000 years to raise global sea levels by one meter (3.3 feet).

Another study found Antarctic ice melt driven by rising greenhouse gas emissions could raise global sea levels by up to 39 centimeters (1.3 feet) by 2100.

While the Alps could lose anything between 75 percent and 90 percent of their glacial ice by the end of the century, Greenland's glaciers — which have the potential to raise global sea levels by up to 20 feet — are expected to melt faster as their exposure to warm ocean water increases.

If the ice on the peninsula melts entirely it will raise global sea levels by 0.3 metres, and the west Antarctic ice sheet contains enough water to contribute metres more.

Altogether, the new study suggests that the ice sheet has the potential to raise global sea levels by about 24.3 feet, should it melt entirely.

The study also finds that the Greenland ice sheet may contain more ice, with a greater potential to raise global sea levels, than previous research has suggested — about 2.75 inches more, to be exact.

This is reassuring, because if the ice cap did melt completely in the near future, it would raise global sea levels by 60 metres.

Since Larsen C's ice already floats in the ocean, the big break - off won't immediately raise global sea levels.

And even though these coastal glaciers have passed the point of no return, the researchers predict it's unlikely they'll melt entirely until 2100 — when that happens it's estimated that it will raise global sea levels by around 3.8 cm (1.5 inches).

If it were to collapse the torrent of fresh water could raise global sea level by 5 metres.

SPEED UP The collapse of West Antarctica's glaciers may be unavoidable, and the ice sheet's demise could raise global sea level by as much as 4 meters, researchers reported.

Parts of the ice sheet considered at risk hold enough ice to raise the global sea level by 22 feet.

That heat is raising global sea levels, disrupting ecosystems and leading to more extreme weather events.

If the entire land - based glacier destabilizes and slips into the sea, it could raise global sea level by at least 3.5 meters.

If the Jakobshavn glacier had melted completely, «it contains enough ice to raise global sea level by half a meter — just this one glacier in Greenland,» Rignot said.

All of that heat in the oceans also raised global sea levels to a new record high, more than 2.5 inches above what it was in 1993, as water expands as it heats up.

When these ice shelves suddenly splinter and weaken or even collapse entirely, as has been observed in Antarctica, the glaciers that feed them speed up, dumping more ice into the ocean and raising global sea levels.

Pine Island Glacier could collapse — stagnate and retreat far up into the bay, resulting in rapid sea level rise — within the next few centuries, raising global sea levels by 1.5 m11, 12, out of a total of 3.3 m from the entire West Antarctic Ice Sheet13.

They contain enough ice to raise global sea level by 4 feet (1.2 meters) and are melting faster than most scientists had expected.

They detected a sharp jump in Antarctica's ice loss, from enough ice to raise global sea level by 0.3 millimeters -LRB-.01 inches) a year in 1996, to 0.5 millimeters -LRB-.02 inches) a year in 2006.

The volume of water unleashed by the melting ice raised global sea levels by close to 2 one - hundredths of an inch; were all of Greenland's ice to melt, Steffen predicts, sea levels could be lifted by as much as 21 ft - an unlikely possibility.

In one projected event, large parts of the ice sheet melt and drain into the ocean over the next millennia, raising global sea levels by several tens of meters.

The quote from the article: «Their models suggest that this would cause the glacier to uncontrollably retreat about 25 miles (40 kilometers) over the next several decades, potentially raising global sea levels by more than 0.4 inches (1 centimeter).»

If all of the currently attainable carbon resources [estimated to be between 8500 and 13.600 GtC (4)-RSB- were burned, the Antarctic Ice Sheet would lose most of its mass, raising global sea level by more than 50 m. For the 125 GtC as well as the 500, 800, 2500, and 5000 GtC scenarios, the ice - covered area is depicted in white (ice - free bedrock in brown).

For perspective, if the West Antarctic Ice Sheet breaks up entirely into icebergs it will raise the global sea level by around 15 feet.

Melting icebergs that big would raise the global sea level by hundreds of feet!

One of the most feared of all model - based projections of CO2 - induced global warming is that temperatures will rise to such a degree as to cause a disastrous melting / destabilization of the Greenland Ice Sheet (GrIS), which melting is subsequently projected to raise global sea level by several meters.