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Topic: Glaciologist

In the News (Thu 23 May 19)

  Glaciology -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-29)
Unsurprisingly, glaciology is one of the key areas supported by polar research.
There are two general categories of glaciation which glaciologists distinguish: alpine glaciation, accumulations or "rivers of ice" confined to valleys; and continental glaciation, unrestricted accumulations which once covered much of the northern continents.
The word glacier is derived from the (Any dialect of the language of ancient Rome) Latin glacies, meaning ice or frost.
www.absoluteastronomy.com /encyclopedia/g/gl/glaciology.htm   (203 words)

 Science to publish UAF glaciologist findings
Glaciologists at the University of Alaska Fairbanks Geophysical Institute have used a laser measuring device to reveal that many Alaska glaciers are melting dramatically.
Geophysical Institute co-authors Echelmeyer, Arendt, Harrison, Lingle, Valentine and glaciologists Sandy Zirnheld and Reggie Muskett have calculated that Alaska glaciers are responsible for at least 9 percent of the global sea-level rise during the past century, and Alaska's glaciers raise the level of Earth's oceans by more than one-tenth of a millimeter each year.
He and the other glaciologists compared his measurements of glacier elevation with those on maps and found that about 85 percent of the Alaska glaciers they measured had lost vast portions of their mass between the 1950s and the 1990s.
www.eurekalert.org /pub_releases/2002-07/uoaf-stp071502.php   (669 words)

 THE ICE AGES by C. G. Riggins
The author, erstwhile glaciologist and at present a staff member of the Dept of Geological sciences, University of California (at Berkeley), is completely unknown to all in the closely related fields of science fiction and mystery story writing.
Glaciologists do not live in ivory towers because there is not enough ivory in the world to make a tower large enough for a glaciologist.
Glaciologists classified it as a separate advance rather than as a last gasp of the Wisconsin because it seemed to have appeared on the scene so long after the big Wisconsin glaciers had cashed in their chips and dried up.
www.fanac.org /fanzines/Rhodomagnetic/Rhodomagnetic18-04.html   (1332 words)

 The New York Times > Science > Environment > Antarctica, Warming, Looks Ever More Vulnerable
Glaciologists also know that by itself, free-floating sea ice does not raise the level of the sea, just as an ice cube in a glass of water does not cause an overflow as it melts.
Through their flights over this and other areas of Antarctica, NASA and the Chilean center hope to help glaciologists and other scientists interested in climate change understand what is taking place on the continent and why.
Glaciologists are more concerned that they are now beginning to detect similar signs closer to the South Pole, on the main body of the continent, where ice shelves are much larger - and could contribute far more to sea level changes.
www.nytimes.com /2005/01/25/science/earth/25ice.html?ei=5090&en=8e19e50a854eeffb&ex=1264395600&partner=rssuserland&pagewanted=print&position=   (1699 words)

 deseretnews.com | Landmark glaciers turning into water as world warms
Chacaltaya, a frozen storehouse of such water, will be gone in seven to eight years, said Ramirez, a Bolivian glaciologist, or ice specialist.
French glaciologists working with Ramirez and other scientists at La Paz's San Andres University estimate that the Bolivian Andes are warming even faster, currently at a half-degree Fahrenheit per decade.
Although rising temperatures are an underlying factor, glaciologists find a complex cycle at work: A warming Pacific Ocean has created disruptive El Nino climate periods more frequently and powerfully, reducing precipitation, including snows to replenish glaciers.
deseretnews.com /dn/view/0,1249,600108419,00.html   (1118 words)

 CDNN :: Antarctica: Breaking Up Is Not Hard to Do   (Site not responding. Last check: 2007-10-29)
Fresh evidence from the peninsula is reviving concerns that loss of the floating shelves could hasten the demise of the continent's vast ice sheets, with catastrophic effects on global sea levels.
The retreat didn't attract widespread attention until 1978, when glaciologist John Mercer predicted in Nature that if global warming were to occur in Antarctica, the peninsula's ice shelves would be the first to succumb, melting before any of the continental ice did.
With temperatures continuing to rise, says BAS glaciologist David Vaughan, the rest of the Larsen B ice shelf--another 3400 square kilometers--will probably be lost within a decade.
www.cdnn.info /article/antarctica/antarctica.html   (2604 words)

 The Seattle Times: Local News: Fire under ice may transform Mount St. Helens' crater glacier
The glacier was born of the fiery May 18, 1980, blast that blew off the top of the old mountain, creating a 1.8-mile-long crater that sprouted a 925-foot dome of cooled lava in the six years that followed.
Amateur glaciologist Charlie Anderson has made 144 trips into the crater to study and photograph the glacier and explore the caves below.
The deeply shaded area between the dome and the south crater wall proved to be a prime spot for a glacier to grow, said Charlie Anderson, a retired Federal Way longshoreman and amateur glaciologist who has tracked the glacier's growth.
seattletimes.nwsource.com /html/localnews/2002056366_glacier07m.html   (773 words)

 Histoire Antar/FR/Introduction
In 1995, an iceberg measuring 78 kilometres long and 27 kilometres wide, with a surface area of 2,400km², or the size of Luxembourg, detached itself from the Larsen Ice Shelf.
In the press release, the glaciologist David Vaughan specified that the progressive and local warming of that part of the Antarctic had played a preponderant role in what had just taken place.
The news spread like wildfire, in the world of glaciologists, in the institutes of climatology, and, naturally, in the international press.
www.antarctica.org /UK/Envirn/pag/glaces_UK/oceanes_UK/A25_UK.htm   (854 words)

 Albert P. Crary Science and Engineering Center - Wikipedia, the free encyclopedia
The Albert P. Crary Science and Engineering Center (CSEC), located at McMurdo Station, was dedicated in November 1991 by the National Science Foundation (NSF).
The laboratory is named in honor of geophysicist and glaciologist Albert P. Crary.
There are five pods making for 4,320 square meters of working area that includes a two-story core, a biology pod, earth sciences and atmospheric sciences pods, and an aquarium.
en.wikipedia.org /wiki/Albert_P._Crary_Science_and_Engineering_Center   (104 words)

 Wired News: Glaciers Quicken Pace to Sea   (Site not responding. Last check: 2007-10-29)
Ice-penetrating radar onboard research aircraft discovered that these glaciers were, on average, 430 yards thicker than previously thought, dramatically increasing the volumes of ice flowing into the seas.
Glaciologist Robert Thomas of EG&G Technical Services at NASA's Wallops Flight Facility in Virginia has long believed that the ice shelves act like a cork in a bottle, greatly slowing glaciers' procession to the sea.
However, in this area the bottom of the ice shelves are melting rapidly, becoming thinner at a rate of 10 to 15 feet each year since the early 1990s.
www.wired.com /news/print/0,1294,65067,00.html   (886 words)

 Rocky Mountain News: State
Graduate student Fabian Walter, who is working with glaciologist Tad Pfeffer, of the University of Colorado's Institute of Arctic and Alpine Research, climbs Arapaho Glacier near Nederland carrying parts of a device used to measure the glacier's depth.
The declines are viewed by many scientists as strong evidence that global warming - caused, in part, by the buildup of carbon dioxide and other heat-trapping greenhouse gases emitted when fossil fuels are burned - is reshaping the natural world.
While glaciologists have flocked to remote mountain glaciers to document their decline, Colorado's glaciers have been largely overlooked.
www.rockymountainnews.com /drmn/cda/article_print/0,1983,DRMN_21_3281315_ARTICLE-DETAIL-PRINT,00.html   (2569 words)

 Newswise   (Site not responding. Last check: 2007-10-29)
Glaciologist Lonnie Thompson worries that he may have found clues that show history repeating itself, and if he is right, the result could have important implications to modern society.
Newswise — Glaciologist Lonnie Thompson worries that he may have found clues that show history repeating itself, and if he is right, the result could have important implications to modern society.
Thompson has spent his career trekking to the far corners of the world to find remote ice fields and then bring back cores drilled from their centers.
www.newswise.com /articles/view/508814   (796 words)

 Earth Observatory Feature: Time on the Shelf
A glaciologist’s goal is to be able to measure the “mass balance” of a given ice sheet.
When Bindschadler and his colleagues first visited Antarctica in 1980, they brought with them the traditional wisdom gleaned by generations of explorers and glaciologists before them that large ice sheets are slow, plodding things that wax and wane on cycles ranging from centuries to millennia.
Based on those discoveries and others over the past few decades, glaciologists began to suspect that Antarctica’s ice sheets are not only sensitive to global warming, but that there could be observable changes in our lifetime.
earthobservatory.nasa.gov /Study/TimeShelf   (1754 words)

 Scientists report on vast antarctic ice sheet, seek clues to its future
Charles R. Bentley, a University of Wisconsin glaciologist and one of the researchers speaking at the conference, said it is important to keep in mind how long such a collapse may take.
What you have is a system of ice streams and runaway glaciers that switch on and off and change position and mass flux." So if the rivers of ice are speeding up and slowing down and in some cases even stopping, how much ice is lost to the sea becomes difficult to determine.
Eric R. Rignot, a glaciologist at NASA's Jet Propulsion Laboratory, used satellite radar data to study the Pine Island Glacier.
www.uswaternews.com /archives/arcglobal/8scirep10.html   (794 words)

 The Antarctic Sun: Icestreams   (Site not responding. Last check: 2007-10-29)
He demonstrated the idea by pouring water on a table then placing a piece of paper over the spill, letting it slip and slide on the thin film of water.
According to glaciologist Sridhar Anandakrishnan, the sediments, water and topography of the bed could also help him understand the onset of rapid flow.
To obtain data from many Antarctic ice streams glaciologists have traversed the shear margins, planted poles to measure the following year and mapped the streams with radar.
www.polar.org /antsun/oldissues2002-2003/Sun112402/icestreams.html   (1123 words)

 UNH glaciologist clocks a speedy Greenland glacier - News   (Site not responding. Last check: 2007-10-29)
UNH faculty member and glaciologist Mark Fahnestock recently made an important discovery, the end results of which are still very much unknown.
Because of this, the glacier is now providing important data relating to ice sheets, sea level rise and climate warming.
Fahnestock and co-authors Ian Joughin, a glaciologist at the Applied Physics Laboratory at the University of Washington, Seattle, and Waleed Abdalati, a senior scientist at NASA's Goddard Space Flight Center in Greenbelt, Md., have been tracking the glacier since 1985.
www.tnhonline.com /news/2004/12/10/News/Unh-Glaciologist.Clocks.A.Speedy.Greenland.Glacier-827328.shtml   (736 words)

 How Melting Glaciers Move: Cracking the Mystery   (Site not responding. Last check: 2007-10-29)
It roared downhill, burying the village of Karmadon in 500 feet (150 meters) of frozen debris.
Earlier this year University of Colorado glaciologist Konrad Steffen and his team discovered that ice shelves jutting into the ocean from Greenland's Petermann Glacier were 150 feet (45 meters) thinner than last year.
The worry is that continued glacier melt could swamp coastal areas—and alter crucial Atlantic Ocean currents that regulate climate: The amount of fresh water in oceans affects how much of the sun's heat can be recycled to warm the air.
news.nationalgeographic.com /news/2004/07/0730_040730_tv_glaciers.html   (581 words)

 Adventure in glaciers, scientist adventure in the largest canyon of the world
A famous glaciologist who investigated the largest number of glaciers in China.
As the representative of Chinese Government and glaciologist, he investigated three Japanese South-Pole Stations.
I and another glaciologist Dang were responsible for observing the climate of ice surface etc. our tent was set on the ice surface.
www.100gogo.com /ice.htm   (1091 words)

 International Centre for Integrated Mountain Development - water   (Site not responding. Last check: 2007-10-29)
The immediate cause of alarm was the speed at which the glacier was melting, recent heavy rains and the consequent rapid expansion of the volume of water in the lake.
The lake is inherently unstable and it is better to be ready for the disaster, just in case." Kayastha was a member of a team led by British glaciologist Dr J. Reynolds, which in May 1997 confirmed a speeding up of the melting of the glacier, first noticed in August 1996.
Their installation was delayed by incessant rain, which made it impossible for glaciologists and other specialists to arrive by helicopter.
www.icimod.org /focus/water/glaciers.htm   (915 words)

 Arctic: WITH A CAMERA IN MY HANDS: WILLIAM O. FIELD, PIONEER GLACIOLOGIST   (Site not responding. Last check: 2007-10-29)
It is indeed a pleasure to read the excellent biography that Suzanne Brown has generated from the tape recordings she made of Bill discussing his life and work, which the University of Alaska Press has produced as a handsome book.
The emphasis changed a little when the program continued under Maynard Miller, but several of their students later worked as glaciologists with American parties in Antarctica, both during the International Geophysical Year (IGY) of 1957-58 and afterwards.
He became the first Director of the World Data Center A for Glaciology, one of three centers established to catalogue all the reports produced during the IGY, and he was a member of the National Academy's Committee on Antarctic Place Names.
www.findarticles.com /p/articles/mi_qa3712/is_200409/ai_n9426104   (1068 words)

 High-Climbing Ice Expert Gets to Core of Climate Change   (Site not responding. Last check: 2007-10-29)
Next summer the glaciologist and his crew will take their six tons of equipment to begin research in southwestern Himalaya.
While all dues support National Geographic's mission of expanding geographic knowledge, 90 percent is designated for the magazine subscription, and no portion should be considered a charitable contribution.
Glaciologist Lonnie Thompson works in his lab, which boasts 4 miles' worth (6.4 kilometers) of rare ice cores—cylindrical samples taken from glaciers.
news.nationalgeographic.com /news/2004/07/0727_040727_globalwarming.html   (589 words)

 Collapse Of Antarctic's Larsen B Ice Shelf Revealed
The collapse of the 3250 km2 ice shelf is the latest drama in a region of Antarctica that has experienced unprecedented warming over the last 50 years.
Meanwhile, in Antarctica, Argentinian glaciologist Pedro Skvarca realized that something was happening to the ice shelf and mobilized an aircraft to obtain aerial images confirming the satellite data.
While the collapse was still occurring, the BAS research ship RRS James Clark Ross navigated her way through the armada of icebergs to obtain photographs and samples.
unisci.com /stories/20021/0319021.htm   (445 words)

 Subterranea of Switzerland: Eispavillon Mittelallalin
As this ice grotto was made by a glaciologist, it is a little different to the other ones.
Of course it shows ice sculptures and the mysterious blue light when sunlight is filtered by meters of ice.
Some real life scenes show glaciologist in a camp and at work.
www.showcaves.com /english/ch/misc/Eispavillon.html   (292 words)

 National Geographic Adventure Mag.: Glaciologist Lonnie Thompson on Alaska's Bona-Churchill Glacier
Looking for a crevasse-free clearing on the 14,500-foot-high (4,420-meter-high) col, our pilot banked into the hard wind and skimmed over the broken semicircle of rocks that marked the lip of Churchill's crater.
As the plane dipped its wing, the details of glaciologist Lonnie Thompson's base camp came into view: two white domes and what looked like half-buried tangerines fallen from the cosmos—the bright, compact mountaineering tents where the team slept.
Q&A: The issue of global warming is hotter than ever, so we asked glaciologist Lonnie Thompson to separate fact from fiction and explain why a library of ice is his legacy to future generations.
www.nationalgeographic.com /adventure/0408/excerpt5.html   (933 words)

 sciencelife:ETH Life - ETH Zurich's weekly web journal
It is only a question of time: A glacier from the flank of one of the most beautiful mountains in the Alps will come crashing down.
The ETH glaciologist, although surprised by the rapidly opening crevice in the ice in the winter, doesn't think the acceleration measured over the past few days is dramatic.
Just as for rock slides it is not the speed with which a crevice opens up that is decisive–at the moment between 15 and 20 centimetres a day–but rather the acceleration that determines the actual time that it will break off.
www.ethlife.ethz.ch /e/articles/sciencelife/gletscherstweissh.html   (924 words)

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