Sentences with phrase «polar ice flowed»

He first thought that the shift might be a result of global warming, as melting polar ice flowed toward the equator.

Not exact matches

Today the small amount of water detected on the planet is locked in the polar ice caps, but recently discovered geological features suggest liquid water once flowed on its surface.

Mount Belinda has begun erupting beneath its thick cover of polar ice, allowing scientists their first chance to examine an Antarctic lava flow in action.

On the other hand, during those periods between widespread glaciation, the water had melted from the ice sheets and polar areas, flowed, back into the oceans and sea level was as high or higher than now.

«Borehole temperatures in the ice sheets spanning the last 6000 years show Antarctica repeatedly warming when Greenland cooled, and vice versa... The phenomena has been called the polar see - saw... Attempts to account for it have included the hypothesis of a south - flowing warm ocean current with a built in time lag... There is (however) no significant delay in the Anarctica climate anomaly...

Updated Ten days ago, the grinding slow - motion rivers of floating sea ice flowing around Canada's Arctic archipelago claimed the lives of Marc Cornelissen and Philip de Roo, seasoned Dutch polar trekkers combining an adventurous spirit with environmental activism and citizen science.

When talking about climate change, most of us imagine a smattering of statistics flowing across charts and figures showing rising temperatures, the thawing of ice on mountain caps and polar... Read more»

Without a constant flow of heat from the tropics, polar regions would naturally descend into permanent ice house climates.

Those are fast - flowing streams of ice,» said Martinson, who specializes in polar oceans.

Freshwater and ice flows into polar oceans have a direct impact on sea level and (in conjunction with the melt of sea ice) are important in maintaining the thermohaline circulation.

The schematic below from Mangerud and Svendsen shows the warm water incursions from the Atlantic flowing past the west coast of Svalbard at about 11 thousand years ago, when the Laurentide Ice Sheet still covered the eastern half of Canada and the northern US, excluding fish, seals and polar bears from most of Canadian Arctic and Hudson Bay.

The clues found in sediments deposited during the late Holocene suggest that an ocean current that circles the southern polar region, known as Circumpolar Deep Water, flowed underneath the Cosgrove Ice Shelf and melted it.

The report finds no proof to back up IPCC hysteria that blames CO2 for melting polar ice caps, rising sea levels, disastrous changes in ocean circulation, or calamitous differences in precipitation patterns and river flows.

Heart - tugging violins accompany video footage of a mother polar bear and her cuddly cub on a small ice flow.

How many hundreds of thousands of polar bears died starving and were lost, adrift on an ice flow due to the global warming?

If there is an iconic image that communicates the desperation wildlife faces when pitted against the magnitudinous force of global warming, it is the lone polar bear stuck on a melting ice flow.

Loss of the Antarctic ice shelves, which extend from the southern polar land mass over the underwater continental shelf, are likely to result in the glaciers behind them flowing more rapidly into [continue reading...]

Warming ocean currents could eat into polar ice - sheets from beneath, increasing the rate at which they flow into the sea, say researchers in a paper out in Nature Geoscience today.

What isn't clear is whether this will make the shelf ice around the continent — and shelf ice slows the flow of glaciers from the polar hinterland — any less stable.

The shelf ice plays an important role in slowing the progress of south polar glaciers: remove the shelf ice and the glacier flow accelerates.