Sentences with phrase «glacier melt during»

Many rivers draining glaciated regions, particularly in the Hindu Kush - Himalaya and the South - American Andes, are sustained by glacier melt during the summer season (Singh and Kumar, 1997; Mark and Seltzer, 2003; Singh, 2003; Barnett et al., 2005).

In heavily glaciated basins such a Baker River from 20 - 45 % of the total input is from glacier melt during the latter part of the summer (Pelto, 1996; Post et al; 1971).

Scientists from Rice University and Texas A&M University - Corpus Christi's Harte Research Institute for Gulf of Mexico Studies have discovered that Earth's sea level did not rise steadily but rather in sharp, punctuated bursts when the planet's glaciers melted during the period of global warming at the close of the last ice age.

«Most glacier melting during last 150 years can not be said to due to human CO2 emission, nor most of the measured increase in average temperature.»

As the glaciers melt during the warmer months they follow channels out to the ocean.

Not exact matches

The study also suggests that the accelerated melting of mountain glaciers in recent decades may explain a phenomenon that has long puzzled scientists — why Arctic and sub-Arctic rivers have increased their water flow during the winter even without a correlative increase in rain or snowfall.

«Our observations provide a crucial piece of evidence to support that suspicion, as they directly reveal the intensity of ice melting at the bottom of the glaciers during that period,» Khazendar said.

During this period, Earth underwent important changes, starting with a melting of large glaciers.

Supraglacial (surface) water on a glacier is formed by the ice melting during the summer.

The uplift occurring here is due to present - day melting of glaciers and ice fields formed during the Little Ice Age glacial advance that occurred between 1550 A.D. and 1850 A.D.»

During the two - month run of the show, the glacier accepted thousands of calls from around the world, expelling its own language of snaps, crackles, and plops while slowly melting.

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.

The rise in CO2 emissions due to the burning of fossil fuels from 1880 through the 1940's was not sufficient to have played a major role in the considerable global temperature rise that took place during that period — so if we want to presume that sea level rise is prompted by global temperature rise (along with concomitant melting of glaciers, etc.) then we can't really attribute very much of the rise in sea levels during that period to CO2.

Similarly, Stern Review says in boldface (Section 3.2 «Water», p. 76 of Cambridge U.P. edition) Melting glaciers and loss of mountain snow will increase flood risk during wet season and threaten dry - season water supplies to one - sixth of the world's population -LRB-...).

That might well be called nature's global warming because what happens during an interglacial period is the Earth warms up, the glaciers melt and life flourishes.

Many hundreds of millions of people (and huge ecosystems) rely for their water on the annual glacier summer melts that in many cases may cease during the next 50 - 100 years, as mountain glaciers start to disappear.

The effects of glacier retreat would become evident during the dry season, particularly in the west where glacial melt is more important to the river systems.

What could threaten world food security more than the melting of the glaciers that feed the major rivers of Asia during the dry season, the rivers that irrigate the region's rice and wheat fields?

Glaciologists report that the Gangotri glacier, which supplies 70 percent of the ice melt that feeds the Ganges River during the dry season, could disappear entirely in a matter of decades.

As Lester Brown writes in Plan B 4.0: Mobilizing to Save Civilization, mountain glaciers are melting in the Andes, the Rocky Mountains, the Alps, and elsewhere, but nowhere does this melting threaten world food security more than in the Himalayas and on the Tibet - Qinghai Plateau, where the melting of glaciers could soon deprive the major rivers of India and China of the ice melt needed to sustain them during the dry season.

These happen during warming periods as glaciers melt and can lead to sea - level rise rates of 4 m per century.

But warming temperatures mean that the glaciers are melting at a rate that outpaces their ability to accumulate mass during the rainy months.

By Sreeja VN: Sizzling underwater glacial ice, as it melts into warmer sea water, creates one of the loudest natural marine environments, and the air bubbles that pop during the process could help scientists measure the rate of glacier melt and track fast - changing polar environments.

As glacier area is lost there will be a long term decline in glacier runoff and alpine streamflow during the melt season.

However, a large majority of streams in glaciated basins in BC showed a statistically significant decrease in August streamflow during 1976 to 1996, which suggests that these glaciers even with increased melt rates are providing less runoff (Stahl and Moore, 2006).

Annual net balance on eight North Cascades glaciers during the 1984 - 1994 period has been determined by measurement, of total mass loss from firn and ice melt and, of residual snow depth at the end of the summer season.

Glaciers provide about 13 km3 of water during the summer peak melt period as the Abramov and Fedchenko glacier are at the headwaters of the Vaksh River (Normatov and Petrov, 2006).

During the early portion of the melt season May and June, glaciers store meltwater in their thick snow and firnpack, thus reducing the magnitude of high spring flows.

What was the causal mechanism for the explosive glacier melt contribution to sea level rise during the 1920 - 1950 period, when anthropogenic CO2 emissions were flat and low?

One such as Rajendra Pachauri's attack on an Indian scientist for pointing out for four years that the IPCC's claim on Himalayan glaciers was incorrect during the period that the consulting firm he led, TERI, was negotiating for a large contract to study the glacial melting of Himalayan glaciers.

Glaciers around the world are shrinking and at risk of disappearing, including those in the mountains of Asia whose ice melt feeds the continent's major rivers during the dry season.

Melting ice is shown on the Perito Moreno glacier, in a process of a unexpected rupture, during the southern hemisphere's winter months, near the city of El Calafate in the Patagonian province of Santa Cruz, southern Argentina, in this July 7, 2008 file photo.

What is known is that during the period called Little Ice Age, global glacial were advancing, and starting around 1850, instead advancing global glacier became retreating, this trend of glacial retreat continues to the present time, but not all glaciers adding during the Little Ice Age have not yet melted.

He says that if glaciers in the region continue to melt at the rate seen during the past 30 years, there is a risk that nearly all of them will vanish before the end of the century.

Most of this rise comes from warming of the world's oceans and melting of mountain glaciers, which have receded dramatically in many places especially during the last few decades.

This conclusion has subsequently been supported by an array of evidence that includes both additional large - scale surface temperature reconstructions and pronounced changes in a variety of local proxy indicators, such as melting on icecaps and the retreat of glaciers around the world, which in many cases appear to be unprecedented during at least the last 2000 years.

This reduction in runoff is more evident during dry months when glacier melt is the major contribution to runoff (high confidence).

During this year alone studies have warned that climate change could result in the demise of coral reefs, the shutdown of the Gulf stream and related currents, melting Arctic ice and glaciers, emerging diseases, bitter winters and drought, changes in vegetation, stronger storms and hurricanes, and mass extinction.

(e.g. according to AR5 sea levels stayed flat during the little ice, meaning continued ice cap melt has opposed the ocean cooling and glacier advance elsewhere.)

Warmer winters and cooler summers results in more snowfall during the winter and less melt during the summer allowing glaciers to advance.

Such temperatures begin to threaten key climate impacts like permafrost thaw, 3 - 4 meters of sea - level rise from West Antarctic Ice Sheet melt, risk of up to 80 percent mountain glacier loss, complete Arctic sea ice loss during summer, and 6 - 7 meters of sea level rise from Greenland melt.

Second, there is a lot of bad news: Several effects of climate disruption have accelerated during the past decade, such as the loss of Arctic sea ice, the melting of big glaciers and the rise of sea levels.

During the next drafting stage a non-English speaking reviewer in another country relied on Google translator once too often and it ended up mangled as: «Renewables are be able being to supply most electricity in the world when also it is likely the Himalayan glaciers to melt.»

The premise for this scare story is that Greenland's glaciers or the Western Antarctic ice sheet will melt, but neither of these melted when temperatures were as high as, or higher than today, during the Medieval Warm period 1,000 years ago, or the Roman Warm period 1,000 years earlier.

Sea level has risen as the vast continental glaciers formed during the last ice age melted.

Overall in Greenland, the rate of area loss in marine - terminating glaciers during the 2010 melt season (419 km2) was 3.4 times that of the previous 8 years.

A new NASA study finds that during Greenland's hottest summers on record, 2010 and 2012, the ice in Rink Glacier on the island's west coast didn't just melt faster than usual, it slid through the glacier's interior in a gigantic wave, like a warmed freezer pop sliding out of its plastic casing.

As I said earlier, it would make sense for sea levels to rise quickly following a cold period like the LIA - the glaciers that quickly expanded during that time would just as quickly melt away.

Glaciers Sizzle, Squirt Bubbles When Melting To Create Loudest Marine Environment; These Sounds Could Help To Measure Ice Melt By Sreeja VN: Sizzling underwater glacial ice, as it melts into warmer sea water, creates one of the loudest natural marine environments, and the air bubbles that pop during the process could help scientists measure the rate of...

Will (and Crichton) would have been on firmer ground if they had used the example of Norwegian glaciers, which almost uniquely in the world have been growing because the increase of precipitation during winter is larger than the increase in melting in summer.