Sentences with phrase «alpine glaciers»

I also collect and analyze ice cores from alpine glaciers to learn about the history of temperature and snow accumulation.

The results confirm Fountain and Vecchia (1999) conclusion that the number of measurements necessary to determine mass balance on small alpine glaciers is scale invariant, in this case that 40 points satisfactorily minimized errors on both glaciers.

His study, based on carbon - dated tree remains, which were recovered under receding alpine glaciers, gives a clear picture of smaller glacier extent than today in several periods over the past 10,000 years.

Unprecedented melting of alpine glaciers has exposed bodies and huts under the postulated eternal, absent anthropogenic CO2, glaciers.

Hints that warming is being caused by emissions from industry and other human activities have been extracted from air bubbles trapped in ancient ice, from variations in tree rings, from the quick retreat of alpine glaciers.

In many cases we are observing area deglaciated by alpine glaciers that have been ice covered for several thousand years at least.

Prior to joining PCIC, Faron worked as a postdoc at UBC exploring the effects of long - term climate change on alpine glaciers.

No polar ice caps or alpine glaciers in sight.

It is likely that, as on alpine glaciers, the seasonal speedup is offset by a greater slowdown late in the melt season.

This is true of alpine glaciers and is the case with Kilimanjaro because area temperatures have not increased but lower precipitation has occurred.

The alpine glaciers discussed here are not calving, nor do they have superimposed ice, two factors that complicate measurement.

Colder temperatures from 1500 - 750 BC caused renewed ice growth in continental glaciers and alpine glaciers, and a sea level drop of between 2 to 3 meters below present day levels.

The World Glacier Monitoring Service (WGMS) collects annual mass balance data from alpine glaciers around the world.

As shown in Fig. 2, each minimum was a time of global cooling, recorded in the advance of alpine glaciers....

Likewise, how do you think the 70 meters or so of sea - level equivalent which is locked up in ice sheets and alpine glaciers got there, if not from snowfall?

Frankly, we don't fully understand either the advance or the retreat, and, indeed, some alpine glaciers are advancing again.

During the latter, alpine glaciers advanced to the chagrin of overrun villages.

Polar bears, arctic summer sea ice, regional droughts and floods, coral bleaching, hurricanes, alpine glaciers, malaria, etc., all depend not on GATA but on a huge number of regional variables including temperature, humidity, cloud cover, precipitation, and direction and magnitude of wind and the state of the ocean.

In ice sheet areas distant from a dust source this maybe difficult, but on alpine glaciers mountaineers and glaciologists have long noticed the ubiquitous nature of these layers (Post and LaChapelle, 1962).

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).

It's like the carbon - dated remains of tree stumps that are found under receding alpine glaciers, high above today's tree line.

The influence of anthropogenic forcing has also been detected in various physical systems over the last 50 years, including increases in global oceanic heat content, increases in sea level, shrinking of alpine glaciers, reductions in Arctic sea ice extent, and reductions in spring snow cover (Hegerl et al., 2007).

[Response: I couldn't find the specific post you refer to, but in any case the answer is that alpine glaciers cover a very small fraction of the globe, and their disappearance will have very little impact on local temperature.

The 930 major European alpine glaciers have a total volume of about 70 cubic kilometers currently (according to Paul et al.).

If the European alpine glaciers were to melt entirely, they would then raise the sea level globally by about 0.19 millimeters.

Dr. Rignot recently proposed that unabated warming could result in three feet of global sea rise just from water flowing off Greenland, three feet from Antarctica and 18 inches as the remaining alpine glaciers shrivel away.

The Resurrection Bay Tour offers views of the jagged cliffs, wildlife, and alpine glaciers of Resurrection Bay.

This bundle contains 11 ready - to - use Ice Age Worksheets that are perfect for students who want to learn more about An ice age which is a period of long - term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

I would recommend two alternative readings for the francophones on recent results obtained on alpine glaciers, ici et la, articles published in PIGB.

Precipitation could not be the culprit since the change was the same on Maritime and continental setting alpine glaciers.

They also predicted that if Earth's temperature rises by 5 degrees Fahrenheit, 80 percent of alpine glaciers will be gone by 2100.

Two decades ago, a pair of tourists discovered a 5300 - year - old mummy preserved in an alpine glacier on the border between Austria and Italy.

ÖTZI, the 5000 - year - old mummy found four years ago in an alpine glacier, may have been a coppersmith.

It is tough to get a firm indication of total global alpine glacier volumes, but assuming that the global total is 100 times that in Europe (a wildly high estimate), if they were all to melt that would imply a global sea level rise of less than one inch.

I proposed that we examine alpine glacier snowline data from today and the LGM from Tierra Del Fuego to the Brooks Range.

Columbia Glacier is a south facing cirque glacier with a comparatively low slope for a small alpine glacier (0.15).

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.»

In places this frozen fresh water descends from the highlands in a wavy staircase, looking far more massive and magisterial than any alpine glacier.

(Inside Science)-- An alpine glacier may seem like the epitome of purity — crystal - white and untouched.

These glaciers are more like a typical alpine glacier and are susceptible to the forces that tend to cause alpine glaciers to experience peak flow during spring and early summer.

Taku is the world's thickest known temperate alpine glacier, and experienced positive mass balance between the years 1946 and 1988, resulting in a huge advance.

Not exact matches

They range from steamy lowland jungles, swamps, and floodplains to cloud forests, alpine grasslands, and glaciers capping mountains more than 16,000 feet high.

The 20 - mile trip took more than two days, leading mules, professors and students 3,000 feet up and over a high alpine plateau and down several thousand feet into a valley, where they slowly weaved their way along a river in the direction of a boulder field until they finally reached the glacier's base.

Models of mountain (alpine) glaciers are applied to solve similar problems to those models used for polar ice sheets, but typically have a higher resolution (a smaller grid size) and need to consider the effects of steep and often variable bed slopes, and the transverse stresses found in valley glaciers.

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.

Trek among glaciers and alpine lakes, as well as to local villages and lesser known Inca sites tucked into the slopes.

Spend time in stunning Jasper National Park — with its rugged mountains, glaciers, alpine meadows, rivers, and abundant wildlife — and Banff National Park, home to majestic mountains and picture - perfect scenery.

Pass by rushing waters, alpine meadows flush with summer flowers, or even stunning glaciers.

Whatever your fitness level, also be sure to bring your camera to capture your own special memories of soaring peaks, stunning glaciers, lush carpets of alpine wildflowers fed by clear springs and delightful glimpses of wildlife.

Here, at the amazing Jungfraujoch, Europe's highest railway station at 11,332 feet, you can experience an audiovisual journey through the alpine world; stand on the observation platform to view the glaciers; and witness a panoramic view overlooking France, Germany, and Italy.