Sentences with phrase «of polar ice»

How responsible is the melting of the polar ice caps for the weather that we are experiencing?

That include melting of polar ice caps, economic consequences, warmer waters and more hurricanes or disasters, the spread of diseases and earthquakes.

In relation to fossil fuels and global warming, as the planet heats up, the oceans expand due to the melting of polar ice sheets.

Reduction of albedo (loss of polar ice reduces reflection of heat back into space).

The slower - acting factors are the earth's orbital movements around the sun and the expansion and retreat of the polar ice caps.

Part of the reason for the significance of these polar ice sheets is that the rate of melt is accelerating.

The last expansion of the polar ice sheets took place about 18,000 years ago.

The world has never before seen such a rapid rise in greenhouse gases with the present - day configuration of the continents and with large amounts of polar ice.

An examination of these changes gave them new insights into how much of the polar ice cap's carbon dioxide freezes out of the atmosphere during winter.

While climate change is certainly a terrifying prospect, it is still somewhat difficult for many people to grasp exactly what the melting of polar ice means for them.

We are already in territory that will melt catastrophic portions of the polar ice sheets, and create havoc with weather extremes, agriculture, and infrastructure around the world in coming decades.

They are able to use satellites to monitor things like the size of polar ice caps over time.

There are zones where new deep water is formed, mostly at the edges of the polar ice caps.

And given that much of this is related to the loss of polar ice, a changing climate would appear to be at least partly — although perhaps not wholly — responsible.

It is increasingly clear that this rich ecosystem affects the melt rates of polar ice and snow and could be accelerating climate change.

Those could be a rapid melting of polar ice or temperature spikes at the upper end of forecasts.

«NASA's aerial survey of polar ice expands its Arctic reach.»

Recent mass balance of polar ice sheets inferred from patterns of global sea - level change.

Thickness of some polar ice sheets is increasing; does this make sense if the world is becoming warmer?

They're seeing the complete disappearance of the polar ice caps right before their eyes in just a few years.»

The report predicts that half of the world's identified tipping points — such as the collapse of polar ice sheets and the drying out of the Amazon rainforest — would be crossed under 2 ℃ warming, compared with 20 % of them at 1.5 ℃.

Our study suggests that at medium sea levels, powerful forces, such as the dramatic acceleration of polar ice cap melting, are not necessary to create abrupt climate shifts and temperature changes.»

Seas rising much faster, super storms in the coming decades, doubling and re-doubling of polar ice melt — new Hansen paper.

During this experience the artist was profoundly inspired by the movements of ice viewed from the ship including melting glaciers and the icy expanses of the polar ice caps.

Shipp, S.S., Wellner, J.S., and Anderson, J.B., Retreat significance of a polar ice stream: sub-glacial geomorphic features and sediments from the Ross Sea, Antarctica: J.A. Dowdeswell and C. O'Cofaigh (eds.)

Hauling chunks of polar ice to dry regions to provide fresh water sounds tempting but there are many reasons to reject it, says Olive Heffernan

Burko accompanied climatologists to the Arctic Svalbard as well as Greenland's Ilulissat Glacier to document the shrinking of polar ice over time.

In an experimental cross-check, more than a dozen teams of polar ice experts tried issuing experimental forecasts of the sea ice as conditions evolved through the spring and summer.

The risk of rapid disintegration of the polar ice sheets is a prime example.

Archived and near real - time Images of polar ice have been available to the public via the internet for years.

The potential of polar ice sheets to serve as an archive for reconstruction of past atmospheric compositions has been well established (17, 18).

Antarctic sea ice is growing, while Arctic ice shrank by 10 percent since the first measurements of polar ice from satellites in 1979.

On climate change, the bulletin scientists say it is worsening: after flattening out for some years, global greenhouse gas emissions have resumed their rise, and the levels of the polar ice caps are at new lows.

As the melting of polar ice accelerates, the Arctic could be ice free by next year, the summer of 2017.

Impacts of thermal expansion and melting mountain glaciers can be predicted with moderate confidence, but more uncertainty remains in the potential behavior of polar ice sheets.

Drawing on odd, icy - looking landforms in earlier images, he and colleagues proposed in 2003 that in the geologic past, snow - fed glaciers and ice fields had covered much of the lower latitudes of Mars at the expense of the polar ice caps (Science, 11 April 2003, p. 234).

It basically puts the Southern Ocean up front as the most significant control on the evolution of the polar ice sheet.»

The P - 3 Orion, based at NASA's Wallops Flight Facility in Virginia, will carry IceBridge's most comprehensive instrument suite: a scanning laser altimeter that measures surface elevation, three types of radar systems to study ice layers and the bedrock underneath the ice sheet, a high - resolution camera to create color maps of polar ice, and infrared cameras to measure surface temperatures of sea and land ice.

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.