Sentences with phrase «by glaciers high»

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.

Not exact matches

Howat and his team were able to figure this out by creating high - resolution topographic models of the glaciers and their boundaries, as well as a numerical model of exactly how much water was flowing off these coastal glaciers and ice caps — technology that wasn't available back in 1996.

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.

All told, if the eastern and western Antarctic ice shelves were to melt completely, they would raise sea levels by as much as 230 feet (70 meters); the collapse of smaller shelves like Larsen B has sped up the flow of glaciers behind them into the sea, contributing to the creeping up of high tide levels around the world.

The Atlas of Submarine Glacial Landforms is a comprehensive, high - resolution atlas of underwater landscapes that have been shaped by glaciers, largely in polar and subpolar regions, and provides a comparative look at how glaciers,...

The new study confirms that so - called «starving glaciers» in dry, high - altitude environments are indeed controlled by precipitation.

The section of the 2007 IPCC report that deals with climate impacts, called Working Group II, included a statement in its chapter on Asia (see p. 493) that Himalayan glaciers are receding faster than any other glaciers on Earth and «the likelihood of them disappearing by the year 2035 and perhaps sooner is very high if the Earth keeps warming at the current rate.»

(The report's conclusions were first widely publicized in a November story in Science, and the flimsy basis for the «very high» statement in the 2007 report is detailed here, in a letter to Science by a Canadian expert on glaciers.

Despite these conditions, the Tarim river flows through this desert region, mainly fed by meltwater from high - altitude glaciers.

Using satellites, the researchers determined that «bottom melt rates experienced by large outlet glaciers near their grounding lines are far higher than generally assumed.»

Head and his team examined high - resolution images of the crater and its gullies taken by orbiting spacecraft and found evidence of features that suggested glaciers once covered the crater floor about 10 million to 20 million years ago.

While there is ample evidence of increasing fresh water contribution from melting glaciers and of an AMOC slow down since the 1930s the cold spot intensification last winter and this winter could also be caused by the extraordinarily intense low pressure areas that have slammed this region since last February and the intensification and northeastwards displacement of the subtropical Bermuda / Azores high.

By trapping heat, rising concentrations of atmospheric pollution are causing glaciers and ice sheets to melt into seas, lifting high tides ever higher.

The body was brought to a hospital connected to a high profile university in a valley surrounded by mountains and glaciers.

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By far one of the most strikingly beautiful skydives in the world, Nzones Queenstown skydive captures views of snow capped mountains, canyon valleys and glacier lakes after a heart pumping free fall from 15,000 ft high

Bordered on two sides by National Parks, the tiny village sits against a backdrop of rugged high country, beautiful mountains, glacier fed rivers and ancient beech forests.

It is another «Lost City of the Incas» rediscovered officially late in 20th century located high on a ridge spur almost 1750 mts above the raging glacier - fed Apurimac River and surrounded by towering Salkantay and Humantay snow - capped peaks.

In the Canadian Rockies you will find numerous pristine high altitude lakes that are fed by the clear, cold, crystal waters of the Canada's glaciers.

The physical processes by which energy might be added into the glacier material include: (A) convection between the glacier surfaces and local surrounding atmosphere and water, (B) direct radiation onto the exposed surfaces of the material, (C) addition of material that is at a temperature higher than the melting temperature onto the top of the glacier (rain, say), (D) Sublimation of the ice directly into the atmosphere, and (E) conduction into the material from the contact areas between the glacier and surrounding solid material.

The discussion in [Kaser et al] is often misread as meaning that the high, cold Kilimanjaro glaciers are only influenced by sublimation.

It's not the last word, as Gavin notes, but further refinements (which could be higher or lower than 2m by 2100) await more science at both GIS and WAIS, glacier physics, and more comprehensive glacier modeling, which simply requires more time.

Glaciers in the Himalaya are receding faster than in any other part of the world (see Table 10.9) and, if the present rate continues, the likelihood of them disappearing by the year 2035 and perhaps sooner is very high if the Earth keeps warming at the current rate.

By the 1930s, the glacier had sunk too low to supply water for the high alpine meadows.

In a telephone interview from India, where she was about to visit some Himalayan glaciers, Dr. Koppes noted that the highest rates of erosion by rivers and glaciers occur in areas of tectonic uplift — where the land is still rising.

(05/13/2013) Glaciers in the Mount Everest region have shrunk by 13 percent and the snow - line has shifted 180 meters (590 feet) higher during the past 50 years, according to a study that will be presented this week at a conference organized by the American Geophysical Union.

The 12 — 21 cm higher sea level stand during the MWP is likely the highest sea level since the previous interglacial period 110,000 years ago, and was produced by an extended period of warming, allowing time for glaciers and thermal expansion to reach a climatic balance.

Whether we look at the steady increase in global temperature; the buildup of greenhouse gases in the atmosphere to the highest level in a half - million years; the march of warmest - ever years (9 of the10 hottest on record have occurred since 2000); the dramatic shrinking of mountain glaciers and Arctic sea ice; the accelerating rise in sea level; or the acidification of our oceans; the tale told by the evidence is consistent and it is compelling.

It also predicts that the other 45,000 glaciers in the world's highest mountain range will be virtually gone by then, with drastic consequences for billions of people in Asia, whose life depends on water that originates in the Himalayas.

This tendency for small alpine glaciers in the Pacific Northwest to have different mass balance histories, yet high cross correlation coefficients was previously noted by Letreguilly (1989).

However, their sensivity to specific climate conditions as indicated by a cross correlation coefficient of 0.69 was quite high for two glaciers in different, though adjacent, mountain ranges.

Bolivia, which is home to 20 percent of the world's tropical glaciers (glaciers that are located at high altitudes around the equator), is clearly panicked by the rapidity of glacial melt.

«Glaciers in the Himalaya are receding faster than in any other part of the world... the likelihood of them disappearing by the year 2035 and perhaps sooner is very high if the Earth keeps warming at the current rate.»

«Glaciers in higher colder mountainous regions will be slower to melt even as temps rise, the lower tundra areas will respond more quickly to such changes and this is shown by the quicker responses in tree line to the lesser warming periods like the MWP at ground level further north from him, and not just fossil remains but old farming settlements uncovered, and so on.»

To ascertain the annual balance of a glacier from a sparse network of observations is optimized by detailed mapping of mass balance across the glacier determined from a high - density measurement network during several years.

During the record - high temperature summer of 2003, some Swiss glaciers retreated by an unprecedented 150 meters.

All he can really say is what he has, that in his area of glaciers the temps were higher during the early Holocene by the fossil remains of trees which subsequent cooling killed off, but he has not shown that temps were subsequently never warmer until present — these fossil remains could well have been uncovered during such times as the lesser warming of the MWP but conditions there not conducive to re-establishment of trees before the next cooling period arrived.

«All he can really say is what he has, that in his area of glaciers the temps were higher during the early Holocene by the fossil remains of trees which subsequent cooling killed off, but he has not shown that temps were subsequently never warmer until present — these fossil remains could well have been uncovered during such times as the lesser warming of the MWP»

Section 10.6.2 of the Fourth Assessment Report (AR4) states, «the likelihood of [the Himalayan Glaciers] disappearing by the year 2035 and perhaps sooner is very high if the Earth keeps warming at the current rate.»

That's why I used the expression «represents a serious potential threat to humanity and our environment» (temperature increase by 2100 of up to 6.4 C, increased droughts, floods, tropical cyclones, heat waves, extreme high sea level plus secondary effects, such as crop failures, spread of vector diseases, loss of drinking water from melting glaciers, etc. all as listed in IPCC AR4).

Mountainous areas will face glacier retreat, reduced snow cover and winter tourism, and extensive species losses (in some areas up to 60 % under high emission scenarios by 2080).

By obtaining a more high - resolution map of the ocean floor below the glaciers, they were able to detect an unmistakable cavity beneath the Pine Island Glacier and a slightly shallower depression beneath Thwaites Glacier.

«Glaciers in the Himalaya are receding faster than in any other part of the world and, if the present rate continues, the likelihood of them disappearing by the year 2035 is very high,» says the International Commission for Snow and Ice (ICSI) in its recent study on Asian gGlaciers in the Himalaya are receding faster than in any other part of the world and, if the present rate continues, the likelihood of them disappearing by the year 2035 is very high,» says the International Commission for Snow and Ice (ICSI) in its recent study on Asian glaciersglaciers.

The land now occupied by Toronto and Chicago used to be parked under glaciers 100 feet high.

Which forms the basis for the IPCC claim of high climate sensitivity (mean value of 3.2 C), resulting in significant global warming (up to 6.4 C warming by 2100), «extreme high sea levels», increased «heat waves», increased «heavy rains» and floods, increased «droughts», increased «intense tropical cyclones» — which, in turn, lead to crop failures, disappearance of glaciers now supplying drinking water to millions, increased vector borne diseases, etc. (for short, potentially catastrophic AGW — or «CAGW»).

and noted the contradiction between that sentence and the previous one that said there was a «very high» likelihood that the glaciers would disappear by 2035 — or sooner.

By trapping heat, rising concentrations of atmospheric pollution are causing glaciers and ice sheets to melt into seas, lifting high tides ever higher.

More than one - sixth of the world's population live in glacier - or snowmelt - fed river basins and will be affected by the seasonal shift in streamflow, an increase in the ratio of winter to annual flows, and possibly the reduction in low flows caused by decreased glacier extent or snow water storage (high confidence)[3.4.1, 3.4.3].