Sentences with phrase «by glaciers»

No single strong hypothesis has taken the hot start's place, however, although suggestions include tidal pools or oceans covered by glaciers.

Local rivers fed by these glaciers are becoming seasonal rivers, generating conflict among the 2 million people who depend on them for water supplies during the dry season.

The lake's beautifully - colored rocks were formed by glaciers, as were many of the impressive cliffs and waterfalls nearby.

Just another beach about to be flooded by glacier melt?

The friction created by a glacier as it moves must contribute.

As much as 75 per cent of the ice lost by the glaciers is melted by ocean warmth.

However, some of the discoveries dug up were as alien as the rocks transported to the site by glaciers millions of years ago.

This is also a global response to climate change documented glacier by glacier and overall.

Whether the loss of mass by the glaciers is due to natural variation or is caused by human - influenced warming of the oceans is not known for sure.

These findings were unaffected by glacier type (such as debris covered or clean ice).

Due to the knowledge that was obtained by the climate gate or by the glacier gate, your reputation would suffer enormously, if you covered it up in silence.

It's been 20,000 years since this land was entirely covered by glaciers.

But by 2016, the dams fed by the glaciers had nearly run dry as glaciers rapidly disappeared.

That's because it was formed by glaciers, rather than a sea flooding a river valley.

It would have been carried to this site by a glacier.

Previously, scientists had suspected that the debris deposited by a glacier in the foreground was responsible for the formation of the steep Tsangpo Gorge — the new discoveries falsify this hypothesis.

Described as the «eighth wonder of the world», Milford Sound was carved by glaciers during the ice ages.

See Yosemite Valley, carved by glaciers during the Ice Age.

A boulder deposited by a glacier during the last ice age sits atop Cadillac Mountain in Acadia National Park, Maine.

So far as I know, there are no ruins overrun by glacier ice in either settlement in Greenland.

As the climate continued to change, not enough snow fell to maintain the glaciers, and the holes left by the glaciers could have caught windblown snow and preserved it in drifts.

DESTINATION SCIENCE: OTHER PARKS AND WILDERNESS AREAS Shaped by glaciers, seismic uplifts, erosion, and volcanoes, the great outdoors offers spectacular, unique ecosystems and adventure.

The stones had been carried there from many miles away by a glacier that had ground across the bedrock.

The cosmic rays produce rare chemicals in the rocks, and by analyzing the concentrations of those chemical isotopes, researchers at Schaefer's lab are able to determine just how long ago the rocks were first exposed to the sun — and thus when they were left behind by the glacier.

The granitic bedrock here was polished by glacier sliding during the Last Glacial Maximum.

The meltwater from these glaciers, in addition to the water released by glaciers in West Antarctica — a region currently shedding the weight of Mount Everest every two years — would further raise sea levels that have already risen nearly seven inches over the past 100 years.

The boulders, he concluded, had been scoured out of the mountains by glaciers that calved into the sea.

The latest study shows that there has been a 50 per cent decrease in the area of the Alps covered by glaciers over the past 150 years.

Many streams in Lo are not fed by glaciers which have the most dependable water resources.

Francou B, Vuille M, Wagnon P, Mendoza J and Sicart J - E 2003: Tropical climate change recorded by a glacier in the central Andes during the last decades of the twentieth century: Chacaltaya, Bolivia, 16S.

«We all have very nasty fears that the flows of the Indus could be severely, severely affected by glacier melt as a consequence of climate change.

The majority of Pakistan's 190 million people are involved in agriculture: the Indus, fed by glaciers high up in the Hindu Kush - Karakoram Himalaya mountain range, provides water for 90 percent of the country's crops.

This rock formation was cut and forged by glaciers thousands of years ago, and the ancient art of the surrounding canvas will speak to you at the most - base level of your existence.

But, one area the previous owner ignored was the Mitchell Zone, as it was covered by a glacier when Placer conducted its activities.

GET GROOVE - Y: Rock formations with evocative names such as Needle's Eye dot the island, but Gibraltar's most famous geological feature may be the deep grooves on its western shore, carved by glaciers more than 10,000 years ago.

Roughly 210 million people live in the region, and another 1.3 billion people who live downstream depend on rivers fed in part by glaciers and mountain snowpack.

He and colleagues thought that the answer to the floodwater question might also lie in the lakes» moraines — piles of sediments bulldozed by glaciers into high ridges that act as dams.

The finding suggests that bryophytes are more resilient than was previously known, the authors say, and likely play a role in the early recolonization of areas revealed by glacier melt, such as those in the Canadian and Alaskan Arctic.

Much of the dust deposit east of the Rockies arrived in the last ice age, which ended some 11,000 years ago, when particles that had been ground up and transported by glaciers were deposited by meltwater streams.

The new findings, published in the November issue of Geology, show that the polish is not simply the result of abrasion and smoothing by the glacier, as was previously thought.

The Statue of Liberty, if not first felled by an earthquake, would likely be flattened by glaciers that have advanced on the region three times in the past 100,000 years.

The honey color of that first sample of Whillans water provided a hint: a sign of tiny mineral grains (pulverized by glaciers), some smaller than a red blood cell.

This is because the campaign's seafloor survey revealed features under the ocean, such as troughs cut by glaciers during the last ice age, which must continue upstream under the glacial ice.

To ascertain the age of the boulders strewn by the glaciers and thus come up with a date when glaciers were at their greatest extent, Willenbring and colleagues used a technique known as cosmogenic nuclide exposure dating, which measures the chemical residue of supernova explosions.

Massive phytoplankton (algae) blooms and suspended mineral particles released by glaciers occur during the Arctic spring and summer.

They found that the area of the Bolivian Andes covered by glaciers decreased from about 530 square kilometres in 1986 to only around 300 square kilometres in 2014, a reduction of 43 %.

Federal officials are increasingly concerned by the glaciers» disappearance.