Sentences with phrase «of glaciers in a region»

A team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel together with colleagues from Bergen, Oslo and Tromsø (Norway), have now discovered that large - scale sedimentation caused by melting of glaciers in a region off Norway has played a greater role in gas hydrate dissociation than warming ocean waters.

Estimates from the study indicate that the freezing line could lift by as much as 3,900 feet by 2100, which could expose the majority of glaciers in the region to temperatures above 32 °F in warm - weather months.

A question that arose in subsequent online discussion was to what extent Oerlemans had relied on glaciers from tropical regions (answer: he didn't), and what the reasons are behind retreat of glaciers in these regions.

Apart from holding an exhibition that explains the role of glaciers in the environment and the threats of global warming, the museum also aims to be an investigation center and monitor the evolution of glaciers in the region.

Although, in the tropics, glacier mass balance responds sensitively to changes in precipitation and humidity (see Lemke et al., 2007, Section 4.5.3), the fast glacier shrinkage of Chacaltaya is consistent with an ascent of the 0 °C isotherm of about 50 m / decade in the tropical Andes since the 1980s (Vuille et al., 2003), resulting in a corresponding rise in the equilibrium line of glaciers in the region (Coudrain et al., 2005).

A new study, due to be presented in July to the International Commission on Snow and Ice (ICSI), predicts that most of the glaciers in the region will vanish within 40 years as a result of global warming.

Not exact matches

Since the Siachen glacier region falls within the un-delineated territory beyond the last defined section of the Line of Control — i.e.; map grid - point NJ 9842 — Indian and Pakistani territorial claims are based on their interpretations of the vague language contained in the Karachi and Simla agreements.

In comparison, it took the Jakobshavn Isbræ ice stream — a southwest Greenland region with a fast - moving glacier that has been a focal point of scientific examination of ice sheet melt — 150 years to retreat 35 kilometers, said Khan.

Whilst this is a small figure in actual terms, combined with the contribution from other melting glaciers around the world and expansion of the world's oceans, it will have an impact upon society through flooding of low - lying coastal regions.»

All these cooking fires are, in effect, drying the region, both by contributing to the melting of glaciers that feed Asia's major rivers as well as by decreasing the evaporation that drives rainfall.

Australian soils are deficient in vital nutrients including nitrogen, phosphorus, and zinc, mainly because the region is so old, even in geologic time, and most of the country has not been revitalized by the soil - renewing activity of volcanoes or glaciers for tens of millions of years.

Warnings for shipping Molnia said a system for such tracking of glaciers could provide important warning for shipping in the region as calving, and the formation of icebergs, increases.

The retreat is especially severe in West Antarctica, widely acknowledged as the most vulnerable part of the continent and the region whose glaciers are losing the most ice.

Mark, who focuses on the Andes region, developed a method of determining how much of a community's water supply is glacier - fed by analyzing the hydrogen and oxygen isotopes in water samples.

«If we could look back at this region of Antarctica in the 1940s and 1830s, we would find that the regional climate would look a lot like it does today, and I think we also would find the glaciers retreating much as they are today,» said Steig, lead author of a paper on the findings published online April 14 in Nature Geoscience.

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 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.

Willenbring noted that the new date for the glacier maximum in the Mediterranean region, which is several thousands of years earlier than the date the maximum was reached in central Europe, will help provide more context for creating accurate global climate models.

Dr Jourdain said it may help explain why the melt rate of some of the glaciers in that region are accelerating more than scientists expected.

The rock formation known as the Dias rises in the distance above Upper Wright Valley, part of Antarctica's Dry Valleys region, in which most of the glaciers are buried beneath thousands of years of accumulated rubble.

While the glaciers in this region seemed stable, it turns out warming ocean currents have been melting the underside of the ice.

Results published in May show this region crossed an invisible threshold in 2009, with a dozen major glaciers simultaneously starting to thin, sweating off 60 billion tons of ice per year.

«A lot of what we are seeing right now in the coastal regions is that warming ocean waters are melting Antarctica's glaciers and ice shelves, but this process may just be the beginning,» Shevenell said.

The Himalayan range encompasses a very large number of glaciers, notable among which is the Siachen Glacier, the largest in the world outside the polar region.

Radiocarbon dating of minute leaf and wood fragments preserved in the cave's ice indicates that its glacier is at least 10,500 years old, making it the oldest cave glacier in the world and one of the oldest glaciers on Earth outside the polar regions.

Indeed, the era between 65,000 and 25,000 years ago, toward the end of the Paleolithic, was a time of major volcanic eruptions, along with extremes of climate that included rapid shifts in temperature accompanied by alternately creeping and contracting glaciers across many regions of Eurasia.

Photo shows the highest region of the Narsarsuaq glacier in southern Greenland.

The team reports that both the number and size of glacier lakes in the study region increased significantly from 1986 to 2014.

Incessant mountain rain, snow and melting glaciers in a comparatively small region of land that hugs the southern Alaska coast and empties fresh water into the Gulf of Alaska would create the sixth largest coastal river in the world if it emerged as a single stream, a recent study shows.

This remarkable correlation is supported by observations by other scientific teams who had already observed traces of glacier melting and retreat, as well as evidence of subsurface ice, in the former polar regions.

Consistent with observed changes in surface temperature, there has been an almost worldwide reduction in glacier and small ice cap (not including Antarctica and Greenland) mass and extent in the 20th century; snow cover has decreased in many regions of the Northern Hemisphere; sea ice extents have decreased in the Arctic, particularly in spring and summer (Chapter 4); the oceans are warming; and sea level is rising (Chapter 5).

All of that adds up to about 5,500 glaciers in the region disappearing over the rest of the century.

Around 1 billion people rely on glacier flows for water, farming and energy in the Himalayas and surrounding regions of Asia, according to

The bold shading in the maps below shows the likelihood of glacier retreat across the different regions by 2100 (upper map) and 2200 (lower map).

The glaciers in the Thwaites region (see maps c and d below) make up more than half of this contribution.

«As a result of the acceleration of outlet glaciers over large regions, the ice sheets in Greenland and Antarctica are already contributing more and faster to sea level rise than anticipated,» he observed.

The idea that in the past glaciers had been far more extensive was folk knowledge in some alpine regions of Europe: Imbrie and Imbrie (1979) quote a woodcutter by the name of Jean - Pierre Perraudin [3] telling Jean de Charpentier of the former extent of the Grimsel glacier in the Swiss Alps.

A huge glacier in the frozen wastes of East Antarctica, a region previously thought stable, could melt much faster than expected, scientists say.

Some of the meltwater from the lakes and rivers atop the region's glaciers, which end in large sinkholes called «moulins» and barrel down through the glacier, is being stored and trapped on top of the glacier inside a low - density, porous «rotten ice.»

Specifically, glaciers in the Everest region of the Himalayas could lose between 70 percent and 99 percent of their volume through the 21st century.

The researchers caution, however, that their results are only a preliminary estimate of how Himalayan glaciers will react to increasing temperatures in the region.

«The signal of future glacier change in the region is clear: continued and possibly accelerated mass loss from glaciers is likely given the projected increase in temperatures,» Joseph Shea, a glacier hydrologist at the International Centre for Integrated Mountain Development (ICIMOD), Kathmandu, Nepal, who led the study, said in a statement.

Malone was the principal author on a U.S. Agency for International Development report, Changing Glaciers and Hydrology in Asia: Addressing Vulnerabilities to Glacier Melt Impacts, which assessed how USAID programs could respond to the effects of climate change in this region of the world.

In pointing out the significance of the above findings, it is important to note that, over a period of time in which the bulk of the modern rise in atmospheric CO2 has occurred, not only have the majority of glaciers from this large region of Antarctica not retreated, they have collectively growIn pointing out the significance of the above findings, it is important to note that, over a period of time in which the bulk of the modern rise in atmospheric CO2 has occurred, not only have the majority of glaciers from this large region of Antarctica not retreated, they have collectively growin which the bulk of the modern rise in atmospheric CO2 has occurred, not only have the majority of glaciers from this large region of Antarctica not retreated, they have collectively growin atmospheric CO2 has occurred, not only have the majority of glaciers from this large region of Antarctica not retreated, they have collectively grown!

More specifically, using digital scans of paper maps based on aerial imagery acquired by the U.S. Geological Survey, along with modern - day satellite imagery from a variety of platforms, the authors digitized a total of 49 maps and images from which they calculated changes in the terminus positions, ice speed, calving rates and ice front advance and retreat rates from 34 glaciers in this region over the period 1955 - 2015.

The highest range in the region, and the one with the biggest glacier system in the U.S portion of the chain, your trip will provide all the impressive vistas these mountains are known for without the big crowds.

A more regional focus is explored through the loss of glaciers in The Glacier National Park and then then students investigate the evidence for a much greener North African region and what the consequence of this is for the future.

You are in south Patagonia, and you are running out of time or money (or both), but you can't leave without seeing one of the regions most famous glaciers!

We also see the turquoise waters of Maligne Lake, the largest glacier - fed body of water in the region, before we rejoin The Canadian in the late afternoon, bound for Toronto.

The Maligne Canyon, a 164 feet (50 metres) deep gorge of sheer limestone walls with a number of interesting rock formations, is very popular with tourists, as is Maligne Lake - the largest glacier - fed body of water in the region.