Sentences with phrase «glacial ice on»

Larsen C, a floating platform of glacial ice on the east side of the Antarctic Peninsula, is the fourth largest ice shelf ringing Earth's southernmost continent.

Not exact matches

And we have it on pretty good authority that the same sort of glacial melting occurred with the last ice age.

Radar measurements and models of Earthly glacial ice flows led researchers to conclude that the glaciers spotted on Mars from orbiters contain nearly 150 billion cubic meters of water.

The causes of the warming remain debated, but Liu and his team homed in on the melting glacial water that poured into oceans as the ice receded, paradoxically slowing the ocean current in the North Atlantic that keeps Europe from freezing over.

Evidence of past glacial advance and retreat is also more easily observed in the Dry Valleys, providing a window into the past behavior of the vast Antarctic ice sheets and their influence on global sea levels.

The U.S. team is one of three international groups that sought to penetrate Antarctica's subglacial waters in the past month, seeking clues not only to glacial microbiology but also to ice sheet dynamics and the impact of climate change on the continent.

Their results show that East Greenland has been actively scoured by glacial ice for much of the last 7.5 million years — and indicate that the ice sheet on this eastern flank of the island has not completely melted for long, if at all, in the past several million years.

A prehistoric human skeleton found on the Yucatán Peninsula is at least 13,000 years old and most likely dates from a glacial period at the end of the most recent ice age, the late Pleistocene.

Mackay explained that we had just been on top of relatively young glacial ice buried beneath the rubble.

Seismologists at Harvard and Columbia Universities first reported on their tracking of ice - quakes from glaciers in Greenland in 2003, and later showed this glacial earth - shaking was on the rise.

«Ice shapes the landslide landscape on Mars: A new study uses a combination of glacial morphology and remote sensing measurement to explore the role of ice in shaping Martian landslides.&raqIce shapes the landslide landscape on Mars: A new study uses a combination of glacial morphology and remote sensing measurement to explore the role of ice in shaping Martian landslides.&raqice in shaping Martian landslides.»

«Ice age bison fossils shed light on early human migrations in North America: Study dates the first movements of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.&raqIce age bison fossils shed light on early human migrations in North America: Study dates the first movements of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.&raqice - free corridor that opened between the ice sheets after the last glacial maximum.&raqice sheets after the last glacial maximum.»

Unlike space probes, which pass through sterile space, ice drills must pass through thousands of feet of glacial ice loaded with microbes before they reach their target; therefore a microbial buildup on equipment and drilling fluids is «inevitable.»

The international team of co-authors, led by Peter Clark of Oregon State University, generated new scenarios for temperature rise, glacial melting, sea - level rise and coastal flooding based on state - of - the - art climate and ice sheet models.

These forces occur on Earth in glacial ice as it flows due to gravity, and in space as icy satellite bodies, such as the moons of Jupiter and Saturn, respond to tidal forces from their parent bodies.

Building on this study, the team intend to produce a new reconstruction of global ice volume across the last glacial cycle, which will help to validate their proposition that certain boundaries can define windows of instability within the climate system.

«Scientists throw light on mysterious ice age temperature jumps: New study reveals carbon dioxide «tipping point» that triggered abrupt warming during glacial periods.»

She recently worked with a biologist in Washington, for example, on a paper about how narwhals use glacial fronts in summertime — the tusked marine mammals appear to be attracted to glaciers with thick ice fronts and freshwater melt that's low in silt, though it's not yet clear why.

«Studies have shown that both the Greenland and Antarctic ice sheets contributed significantly to this sea level rise above modern levels,» said Anders Carlson, an Oregon State University glacial geologist and paleoclimatologist, and co-author on the study.

At the head of the gorge, glacial debris was plastered on both sides of the valley, confirming that a massive tongue of ice once plunged down a nearby 25,000 - foot - high peak.

The movement of these large masses of ice also leaves distinct marks on the walls of valleys and in the form of deposits of glacial sediment.

And from glacial melt to the declining lake ice to changes in lake ecology, the results from Lake Hazen on Ellesmere Island in Canada are alarming.

The research shows that volcanic eruptions beneath a glacial ice sheet would have created substantial amounts of liquid water on Mars's surface around 210 million years ago.

Since so much of the ice sheet is grounded underwater, rising sea levels may have the effect of lifting the sheets, allowing more - and increasingly warmer - water underneath it, leading to further bottom melting, more ice shelf disintegration, accelerated glacial flow, and further sea level rise, and so on and on, another vicious cycle.

Readers can look for themselves at the Greenland ice core record and decide whether there's anything of consequence going on around 41K before present that looks any different from other glacial - interglacial cycles.You can look at the GISP data yourself by downloading

An early study suggested that these pingos formed on land during the glacial period, and are therefore relics from the ice age, just like the Arctic subsea permafrost.

The abstract doesn't have the room to provide more information on how the melting of glacial ice has weakened part of the volcano, leading to an increased potential for a landslide.

Recent research shows that there is high microbial activity on glacial surfaces (Anesio et al., 2009), some associated with pigmented algae, which absorb significantly more light than local inorganic dust particles on the Greenland Ice Sheet (GrIS)(Lutz et al., 2014).

Continuous annually layered strata provide the best kind of geological archive in which to search for a «golden spike» — these form on the floors of oxygen - starved seas and lakes, in glacial ice, and in corals and trees with seasonal growth rings

A 3 - D model for the Antarctic ice sheet: a sensitivity study on the glacial - interglacial contrast.

Wellner, J.S., Lowe, A.L., Shipp, S.S., and Anderson, J.B., 2002, Distribution of glacial geomorphic features on the Antarctic continental shelf and correlation with substrate: implications for ice behavior: Jour.

Willis, M J, Wilson, T J, James, T S, Mazzotti, S, (2009), GPS Constraints on Glacial Isostatic Adjustment Models and Implications for Ice Sheet Mass Balance in West Antarctica, Eos Trans.

Thick ice streams were abundant on the continental shelf, with warm - based ice grounded on the continental shelf during glacials [35].

Here we show that the East Greenland Ice Sheet existed over the past 7.5 million years, as indicated by beryllium and aluminum isotopes (10Be and 26Al) in quartz sand removed by deep, ongoing glacial erosion on land and deposited offshore in the marine sedimentary record.

Since then, the world has seen cycles of glaciation with ice sheets advancing and retreating on 40,000 - and 100,000 - year time scales called glacials (glacial advance) and interglacials (glacial retreat).

On the studies of sensitivity based on the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deserOn the studies of sensitivity based on the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deseron the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deseron the increased Albedo of the ice - sheets, snow and desert.

26 Paul W asked, «On the studies of sensitivity based on the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deserOn the studies of sensitivity based on the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deseron the last glacial maximum, what reduction in solar forcing is used based on the increased Albedo of the ice - sheets, snow and deseron the increased Albedo of the ice - sheets, snow and desert.

PROVIDENCE, R.I. [Brown University]-- The slopes of a giant Martian volcano, once covered in glacial ice, may have been home to one of the most recent habitable environments yet found on the Red Planet, according to new research led by Brown University geologists.

On Everest, one of the most frightening parts of the mountain is the Khumbu Icefall, two - thousand vertical feet of massive columns of glacial ice that can shift around at any moment and come tumbling down in a gigantic ice avalanche, crushing everything in their paths.

Instead, Kormakur and cinematographer Salvatore Totino (a frequent Ron Howard collaborator) focus on jagged cuts of glacial ice, deep crevasses, and the sheer, seemingly impossible passes these people must cross in order to summit the mountain.

Meanwhile, Mumble is hastily tracking down Erik, but comes across problem that affects everyone who lives on the glacial ice as it threatens the lively hood of Mumble's people; leading to an assortment of ice - dwelling animals to come to the rescue.

Frosted Cherry Pop - Tarts are the perfect snack for a hike, particularly when eaten on the deserted shore of a glacial lake with bald eagles and sea planes flying overhead, and SUV - sized chunks of blue ice out there, melting slowly in the sun.

Learn about the behavior of glaciers and hike with professional mountain guides on the Solheimajökull glacial tongue, a wonderland of ice sculptures, water cauldrons, ridges, and deep crevasses.

How many locations on the planet can you crawl into bright blue glacial ice caves, fly over an erupting volcano bubbling with lava, AND stay up all night transfixed by magical Northern Lights?

You'll also enjoy a visit to romantic Chillon Castle, a well - preserved, medieval castle on the shores of Lake Geneva.If spectacular scenery is your interest, then you'll be thrilled with the ride on the world - famous Glacier Express train, where you'll travel first - class and have panorama windows to admire the thundering waterfalls, impressive peaks, glacial ice fields, and tiny villages on your way to Zermatt, a picturesque cluster of rustic chalets beneath the majestic Matterhorn.

From boiling mud pots to glacial ice chunks on black sand beaches, these were the most incredible sights in Iceland.

Nowhere is a Place marks the international debut of Thiel's latest work, in which he has turned his camera on the massive glacial ice formations in Argentine Patagonia.

(São Paulo, Brazil) Gallery welcomes German artist Frank Thiel, for his second solo exhibition, product of his many visits to Patagonia, where he turned his camera on the massive glacial ice formations in the Parque National Los Glaciares in Argentine, Patagonia, which is part of the Southern Patagonian Ice Field, the third largest ice cap in the worice formations in the Parque National Los Glaciares in Argentine, Patagonia, which is part of the Southern Patagonian Ice Field, the third largest ice cap in the worIce Field, the third largest ice cap in the worice cap in the world.

On the occasion of the COP21 United Nations Conference on Climate Change in Paris in December 2015, Eliasson made climate change tangible by leaving twelve massive blocks of Greenlandic glacial ice to melt in the Place du Panthéon for the installation Ice WatcOn the occasion of the COP21 United Nations Conference on Climate Change in Paris in December 2015, Eliasson made climate change tangible by leaving twelve massive blocks of Greenlandic glacial ice to melt in the Place du Panthéon for the installation Ice Watcon Climate Change in Paris in December 2015, Eliasson made climate change tangible by leaving twelve massive blocks of Greenlandic glacial ice to melt in the Place du Panthéon for the installation Ice Watice to melt in the Place du Panthéon for the installation Ice WatIce Watch.

As warming oceans and melting glacial ice raise water levels, flooding from tropical storms has an increasingly devastating impact on highly populated coastal areas.