Sentences with phrase «ice shelf»

The accelerating pace of ice shelf melting can be attributed to global warming, which is increasing faster at the planet's poles than anywhere else, the researchers pointed out.

Ice shelves in this region protect a very large portion of glacial ice.

The biggest ice shelf collapse on record was set in motion years earlier than previously thought, new research reveals.

First, the glaciers here lack very large ice shelves to stem ice flow.

Starter — attention grabbing headline to go with image of ice shelves breaking up.

«The new data set will allow us to check if our ocean models can correctly represent changes in the flow of warm water under ice shelves,» he added.

The full effects of ice shelf breakup on glacier demise will not be known for some time.

It flows from the centre of the continent out to the coast, and then is fed into ice shelves.

Unlike the melting of sea ice or the floating ice shelves along coasts, the melting of ice on land raises sea level.

When ice shelves already largely in the water break off from the continental ice mass, this does not have much direct effect on sea level per se.

Scientists have also used drilling and other techniques to look at ancient ecosystems under other ice shelves, but those methods often leave an incomplete picture.

Last summer, he spotted several new islands in an area where a massive ice shelf had broken up.

In numerical models initiated under stable conditions, ice shelves do not develop some kind of physical instability and spontaneously collapse.

Actually, I guess you could look and where ice shelves meet ice sheets and if there is some, relatively consistent, ratio like above for where these lines occur.

Ice shelves grow through a combination of land ice flowing to the sea and snow falling on their surfaces.

What's more, so did two smaller ice shelves elsewhere on the peninsula.

It was the tenth major ice shelf to collapse in recent times.

Because the edges are often partially grounded in shallow water, ice shelves hold back the glaciers that feed them.

For six weeks the researchers collected radar data to map changes in ice shelf thickness to understand the processes that contribute to melting at its base.

But what is the case regarding ice shelves grounded on the sea bed?

Has anyone put the pieces together yet and considered how these improvements in understanding ice shelf break - up translate to predicting sea level rise?

Some losses from nearby ice shelves have been underway for decades.

Find out why ice shelves have begun to collapse.

Even small ice shelves play an important role in regulating flow from ice streams that feed into them [14].

«These assessments of ice shelves need to be done regularly» to build up a time series of data — and ultimately to be able to separate a trend signal from the noise.

So ice shelf collapse can indirectly add to sea level rise.

Ice shelves keep glaciers from flowing into the ocean.

Researchers had assumed, for example, that even if the peninsula's ice shelves experienced brutal summers, the winters would still nourish them with new snow.

It may be that the problem with the Warming Island ice shelf lies in the limited ability of the human mind to engage in abstraction.

Ice shelves serve as a crucial barrier to prevent land - based ice sheets as well as glaciers from melting into oceans and increasing sea levels.

However, exactly why the water beneath certain ice shelves has warmed remains a matter of debate.

It is held in place by floating ice shelves.

The large ice shelves can exist in part due to the lower surface melt rates and the lower flow rates of the glacier.

By the end of the century, the melting rate could surpass the point associated with ice shelf collapse, it is claimed.

The findings indicate that ice shelf breakup may rapidly lead to sea level rise.

Now that massive ice shelf is on the verge of collapse.

A full explanation will require numerical modeling of glacier flow, but observations to date suggest that ice shelves act as «braking» systems on the glaciers behind them.

The geometry of the coastline is often important for determining where ice shelves will develop.

«For the first time, we can set a baseline on what lives under ice shelves,» she says.

Ice shelves grow through a combination of land ice flowing to the sea and snow accumulating on their surface.

Scientists closely monitor the size and movement of ice shelves because when they break up, they indirectly contribute to sea level rise through their impact on land ice.

The continent is flanked by 54 major ice shelves, which act as brakes slowing the movement of ice in land - based glaciers out to sea.

Rignot, who was not involved in the new Cosgrove study, told Eos in an email that Minzoni's study confirms that Circumpolar Deep Water «IS the major factor» for Antarctic ice shelf melting.

The rift in the Larsen C ice shelf in Antarctica now has a second branch, which is moving in the direction of the ice front, Swansea University researchers revealed after studying the latest satellite data.

So when the northern part of the Larsen B ice shelf collapsed into the sea in March 2002, it was not a total surprise.