Sentences with phrase «many glaciers in this region»

To understand this, they turned to the past, to see what glaciers in that region had previously done.
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.
South America: Glaciers in the region are melting so fast that some are expected to disappear within 15 — 25 years.
While the glaciers in this region seemed stable, it turns out warming ocean currents have been melting the underside of the ice.
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.
All of that adds up to about 5,500 glaciers in the region disappearing over the rest of the century.
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.
Glaciers in the region are accelerating, in response to frontal thinning and recession [5].
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.
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.
«Our speculation is that some of the big glaciers in this region are sliding downhill faster and dumping more ice in the ocean.»
One example is a plan to look at the upper portions of Smith Glacier in West Antarctica, which is thinning faster than any other glaciers in the region.
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.
The team found that, like many glaciers in this region, these two experienced a combination of warming temperatures and increased precipitation in recent years.
Although the study did not find a significant change in the elevation of the interior East Antarctic Ice Sheet, it shows for the first time that the thinning of the Totten glacier in that region extends to the point where the ice meets the land surface below, known as the grounding line.
There is enough ice in the glaciers in the region to push global sea levels up by more than 10 feet if they all melted, the scientists say.
An August 2008 Geophysical Research Letters study that examined the impact of the melting Himalayan Naimona «nyi glacier concluded, «If Naimona «nyi is characteristic of other glaciers in the region, alpine glacier meltwater surpluses are likely to shrink much faster than currently predicted with substantial consequences for approximately half a billion people.»
Taken together, the data: 1) do not support the summer insolation hypothesis to explain Holocene glacier fluctuations in southernmost Patagonia; 2) confirm paleobotanical evidence for a warm, dry early Holocene; and 3) suggest that some glaciers in the region reached extents comparable to those of the Little Ice Age shortly before 5.29 e5.05 ka.
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).
There has even been «a shift to surface mass gains» for glaciers in that region.
All of that adds up to about 5,500 glaciers in the region disappearing over the rest of the century.
Based on satellite date the French team reports that glaciers in this region are actually putting on mass slightly, BBC News reports:
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.
Light blue represents the region in which the glacier's ice front has advanced and retreated over time.
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.
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
There are native earthworms in North America, but not in regions that had been covered in glaciers during the Ice Age.
Melting glaciers in Greenland and Antarctica have caused sea - level rise in some regions more than others.
Their instruments are zeroed in on the Amundsen Sea Embayment, a vast region rich in volcanoes, ice shelves and glaciers, some as big as Washington state.
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.
With no increase in the region's rainfall, the change «can only come from melting permafrost and glaciers
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.
Now Bartholomaus and his team are investigating what happens when this advancing glacier meets the ocean in a region where about 54 glaciers empty into the sea.
The study, recently published in the journal Ecology Letters, reveals that contrary to expectation, the massive glaciers that expanded and contracted across the region affected animal populations in different ways at different times.
The study analyzes how much temperatures have increased in the region near Indonesia, and how ocean temperatures affect nearby tropical glaciers in Papua New Guinea and Borneo.
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.
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.
«Ice cave in Transylvania yields window into region's past: Scientists conduct ancient climate research on oldest cave glacier in the world.»
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