Sentences with phrase «ice caps over»

The results — along with a recent Dartmouth - led study that found air temperature also likely influenced the fluctuating size of South America's Quelccaya Ice Cap over the past millennium — support many scientists» suspicions that today's tropical glaciers are rapidly shrinking primarily because of a warming climate rather than declining snowfall or other factors.

NASA's Earth Observatory has documented dramatic reductions in the ice cap over Katla in recent years as a result of an increase in smaller volcanic episodes and geothermal heat.

NASA even states that when they lowered the CO2 concentration again, their model reproduced a nice ice cap over the Arctic Ocean, which implies Arctic ice loss is not irreversible — although that conclusion is highly theoretical:

In 2012, the ice cap over the Arctic Ocean shrank to its lowest extent ever recorded.

Not exact matches

When it's cold enough to form ice shelves that extend over the Antarctic land mass and into the ocean, much of what drops to the seafloor is sand and gravel that the glacier has picked up on its slow march from the continent's ice cap.

«We've drilled all over the world, and there's no place like this ice cap.»

Rutishauser and her colleagues are now partnering with The W. Garfield Weston Foundation to undertake a more detailed airborne geophysical survey over the Devon Ice Cap this spring to derive more information about the lakes and their geological and hydrological contexts.

Over its 10 - year life span, the spacecraft observed the Martian surface and atmosphere repeatedly, exposing details — like the shrinking carbon dioxide ice cap on the south pole — that would have been lost to onetime measurements.

There have been thousands of small earthquakes over the past week at Bardarbunga, which is Iceland's largest volcanic system and located under the ice cap of a glacier.

El Niño thus leaves its mark on the Quelccaya ice cap as a chemical signature (especially in oxygen isotopes) indicating sea surface temperatures in the equatorial Pacific Ocean over much of the past 1,800 years.

A team led by hydrospheric scientist William Krabill of the NASA Goddard Space Flight Center's Wallops Flight Facility on Wallops Island, Virginia, used a laser altimeter to survey the ice height over southern Greenland by flying 400 meters above the massive ice cap.

Soot has already been implicated in the melting of the polar ice caps, and heating of the atmosphere over India was directly measured in 2007 by Veerabhadran Ramanathan of the Scripps Institution of Oceanography at the University of California, San Diego, and his colleagues.

The balloon will take ANITA up to 38 kilometres over the Antarctic ice cap, where it will circle the South Pole, allowing its antennas to scan a million cubic kilometres of ice at a time (10 to 15 per cent of the whole continent), making this the largest neutrino detector by far.

With the sun continuing to heat the ocean water at the tropical latitudes regardless of ice cap conditions up north, it would seem that the presence of an ice cap would result in a warmer ocean over the long term, with the converse also being true.

However, it's quite a different matter melting a long - lived massive ice sheet up to 1.5 km thick that covers over 70 % of the land surface (as happened at the end of the last glacial period), from melting isolated and much thinner ice caps / sheets that only cover about 11 % of the land surface (i.e. present - day).»

The analyses of two ice cores from a southern tropical ice cap provide a record of climatic conditions over 1000 years for a region where other proxy records are nearly absent.

Larger sails can thrust against Earth's gravity and not even be in orbit around the Earth, and a pole sitter could sit continuously over Earth's poles and can provide continuous data on the polar ice caps.

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Tom prays with his penguins before dinner, thanking God for the meal and asking for protection over the ice caps.

Searching for a ship supposedly buried beneath the arctic ice cap is the present pointer in a never - ending series of leads Gates has been following over the years.

Fly to Greenland, taking in stunning aerial views over the ice cap that covers most of the country.

Over the years, Windy Valley has become a favorite of mine to revisit for the purposes of speed runs even after completing all of the challenges for the game, much like Ice Cap Zone in Sonic the Hedgehog 3.

«According to a 1972 article in the Christian Science Monitor, Belchen asserted that «a general warming trend over the North Pole is melting the polar ice cap and may produce an ice - free Arctic Ocean by the year 2000 ″»

Over all, open water has spread in the Arctic this summer nearly as much as it did last summer, when polar experts said the ice cap shrank far more than had been measured since satellites started scanning the region 30 years ago — and probably more than it had shrunk in a century or more.

The changes observed by Thompson (since he started studying the Quelccaya ice cap in the late 1970s) have been extremely large and rapid; in fact, the rate of ice recession has increased over time.

The rise of CO2 from 270ppm to now over 400ppm, the extent of equatorial and sub tropical deforestation, the soot deposits on the polar ice caps, the increase in atmospheric water vapour due to a corresponding increase in ocean temps and changes in ocean currents, the extreme ice albedo currently happening in the arctic etc, etc are all conspiring in tandem to alter the climate as we know it.

So savor your next pint and read more at:: Beverage World and the:: Daily Star More on global warming effects and beer DANGER: Effects of Global Warming Include Death German Biofuels Incentives Drive Up the Price of Beer Microbreweries Hopping Mad Over Biofuels Global Warming Beer: Greenland Brews with Melting Ice Cap Global Warming's Effects on Plants and Animals

He also said over five years ago that in five years the polar ice cap would be gone, GONE!

There are contexts in which the statement would be true: what will happen to the polar ice caps, crop land, deserts, etc., as a result of global warming over time.

I recall (among other remedies) plans to spread soot over the ice cap to melt it before the onslaught of the ice age became unstoppable.

Given evolution over the past 500 million years when virtually all modern emerged and radiated largely occurred while the planet had no polar ice caps and atmospheric CO2 up to ten times current level, and the planet was green from pole to pole, and life did so well it was able to sequester huge amounts of energy in fossil fuel beds.

The source document, the Intergovernmental Panel on Climate Change (IPCC) 2007 Fourth Assessment Report (AR4), has been under harsh scrutiny over the past weeks for a number of blunders, including the Climategate scandal, bogus claims about Himalayan glacier melt, false assertions The Netherlands are drowning, deceptive hysteria over conditions in the Amazon, exaggerations of vanishing polar ice caps, and fraudulent cover - up of Chinese temperature data.

The melt - off from the world's ice sheets, ice caps and glaciers over eight years of the past decade would have been enough to cover the United States in about 18 inches (46 centimeters) of water, according to new research based on the most - comprehensive analysis of satellite data yet.

Instead, a deflated Gore saw the Arctic ice cap increase by 50 % over 2012.

As other posters have indicated with the point about how ice lost from ice - caps changes the angular momentum, the movement of water and atmosphere over the surface has an impact on the angular momentum and therefore a major ENSO event will show up in a LOD fluctuation.

NEW evidence has cast doubt on claims that the world's ice - caps are melting, it emerged last night. Satellite data shows that concerns over the levels of sea ice may have been premature. It was feared that the polar caps were vanishing because of the effects of global warming. But figures from the respected US National -LSB-...]

The entire ice cap could vanish over the next two decades.

Both the observations of mass balance and the estimates based on temperature changes (Table 11.4) indicate a reduction of mass of glaciers and ice caps in the recent past, giving a contribution to global - average sea level of 0.2 to 0.4 mm / yr over the last hundred years.

NEW YORK — Arctic sea - ice extent shrank to an unprecedented low this summer, part of a long - term decline in the icy white cap over the far northern ocean.

The analyses of two ice cores from a southern tropical ice cap provide a record of climatic conditions over 1000 years for a region where other proxy records are nearly absent.

And so the Arctic ice Cap has shrunk dramatically in summer over the past decase.

Kilimanjaro's majestic glacial cap of 11,000 - year - old ice has long captured imaginations the world over, so it was not surprising that environmentalists focused their attention on it when scientists reported in 2001 that glaciers around the world were retreating, partly as a result of global warming caused by emissions of heat - trapping «greenhouse» gases from smokestacks and tailpipes.

I'm not sure why you're dodging and weaving about the point, but if you have ice remaining from a previous ice age, then the fact that more ice has been deposited over the old ice and and around the margins of an ice cap when there's a cold but not ice - age period should be a given.

Maybe it's just all that unexpected sea ice from the melting ice caps forming over those warm oceans ☺.

Over the past decade, Miller has been taking radiocarbon dates on moss exposed from receding glaciers / ice caps on Baffin Island.

One would think that as the ice melted some dust / soot runs off with the meltwater, but some stays with the ice, refreezing in winter and gradually the albedo the ice cap goes down over time as the dust becomes more concentrated.

The researchers behind the study recorded the progress of ice caps and glaciers throughout the world over an eight - year period in order to estimate their contribution to sea - level rise.

If a boat sinks in the ocean, it is because the sea level rose over its deck due to ice cap melting due to the internal combustion engine.

more evidence that the house of cards is falling: http://www.guardian.co.uk/environment/2012/feb/08/glaciers-mountains?intcmp=122... The world's greatest snow - capped peaks, which run in a chain from the Himalayas to Tian Shan on the border of China and Kyrgyzstan, have lost no ice over the last decade, new research shows.

«The observed changes in sea ice on the Arctic Ocean, in the mass of the Greenland ice sheet and Arctic ice caps and glaciers over the past 10 years are dramatic and represent an obvious departure from long - term patterns,» says the report.