Sentences with phrase «ice bridge»

Despite their important role in local ecology and climate, the formation and breakup of ice bridges is not well understood and has proved difficult to predict.

Species in the Arctic, such as caribou, may lose vital migratory routes as ice bridges between islands melt.

Ice bridge at Kane Basin, Nares Strait March 26 2011 Ice volume The decline in ice volume since 1979 is dramatically illustrated by this PIOMAS graph.

Vucetich and Peterson have analyzed data from decades of scientists» field notes, trying to determine whether the Isle Royale wolves might have benefited from infusions of new genetic material from wolves crossing ice bridges on other occasions in the past.

For example, the Dolphin - Union caribou, which live in the Canadian archipelago in the middle of the Northwest Passage, rely on ice bridges to get into mainland Canada for food in the winter.

«Radar data from NASA's Operation Ice Bridge program has told us a lot about the shape of Thwaites Glacier, but it's very difficult to see how water is moving.

The Nares ice bridge will be fragmented, and the ice in Kane Basin will be melting out by April 7th.

These environments are also quite perilous, whether it's avalanches triggered by horns or ice bridges collapsing with heavy vehicles, it's quite cool indeed.

We move northalong the waterway, cross a convenient ice bridge near Chalcedony Creek andmove downstream into the broad Lamar Valley.

It is possible to get there in the end, as Cadillac has proven with its Cadillac ATS 2.0, but the road is long and there are plenty of ice bridges along the way.

For those living in the rural communities outside of Montreal, «road» doesn't always mean asphalt, and frozen rivers double as seasonal, state - maintained ice bridges.

We are now (27 March 2011) within the time frame of my March 02, 2011 predition for the breakup of the Nares Strait ice bridge.

In contrast with last year he notes that episodes of ice export, stopped by formation of temporary ice bridges, led to an influx of multiyear ice into Nares Strait, which will slow down melt and ice retreat later in the season.

NASA's Ice Bridge Project is now in full production there, showing how this strategic locked - up water is liable to be released quicker than we thought, causing higher sea levels worldwide.

NASA's Ice Bridge mission provided measurements beneath the ice shelves that indicated how this warm water was taking its toll on not only the ice shelves, but Antarctica's land - bound ice sheets as well.

According to data gleaned via NASA's Ice Bridge aerial survey, the glacier is giving up 46 gigatons of water every year, or about a single Chesapeake Bay every two years.

Part of the countless events and exhibits surrounding COP15, a display on ice ecology accompanies the structure to underscore the problems of glacier melting, loss of ice sheets and the disintegrating Antarctica ice bridge.

A single frozen dew drop can start the spread of ice because ice harvests water from dew drops and ice bridges begin forming, creating a chain reaction.

Dataset structures are based on those used for Operation Ice Bridge, and are line based data in ASCII space delimited.

In the 1960s, ice bridges between Isle Royale and the mainland formed seven out of every 10 winters, the scientists note.

In their new Conservation Genetics paper, the researchers say, «Past gene flow also suggests that human - assisted gene flow is necessary to conserve the ecosystem services associated with predation, since climate warming has reduced the frequency of ice bridges and with it the only opportunity for unassisted gene flow.

Researchers have little hope that a wintertime ice bridge will bring enough new wolves to Isle Royale for a «genetic rescue,» both because the remaining wolves may not mate with them and also because the frequency of ice bridge formations decline each year.

In 2008, the last time an ice bridge formed before this winter, two radio - collared wolves disappeared shortly after the ice bridge formed.

In the past 17 years since the immigrant's arrival, only two ice bridges have occurred, so the Old Gray Guy's descendants soon became highly inbred as well.

They found that an immigrant wolf, who eventually came to be known as the Old Gray Guy, came to the island across an ice bridge from Canada in 1997.

In 1977, researchers observed a pack of wolves chase a pack mate half way to the mainland across an ice bridge.

But ice bridges are two - way streets.

They found, for example, that a pack of seven or eight wolves, including four black ones, crossed an ice bridge to the island in 1967.

And in late January 2014, an Isle Royale wolf crossed to the mainland on an ice bridge and was found dead as a result of an air pellet wound near Grand Portage, Minn..

They are believed to have crossed an ice bridge from Canada in the late 1940s.

In winter, this place serves as the entrance to an ice bridge.

These ice bridges are one of winter's many gifts up in Quebec.

The ice - freight and industries = the wealth of southern Norway, the Ski - jumps and the ice bridges «Vinterbro...» and its histories tell a lot, where you can Control by old photography.

The map shows the little island's distinctive three - finger profile, with no ice bridge to the main coast.

The ice bridge was still present on 10 June (Figure 6) and based on winter air temperature Gudmansen estimates the thickness of first - year ice in the area at ~ 1.5 m.

The ice bridge formed in early December and Gudmansen suggests that the location of the bridge in 2013 may have been influenced by ice islands that calved from the Petermann Glacier in August of 2012.

Gudmandsen — break - up of the ice bridge at the southern end of Nares Strait during the second half of June

Based on a review of spring air temperatures, the winter evolution of the ice bridge and current ice conditions, Gudmansen predicts that the ice bridge will break down during the second half of June.

The ice bridge is still intact, but its breakup is imminent.

It was the ice bridge across the Bering Strait that provided the route from Asia to North America that made Inuit the last arrivals on the continent.