Sentences with phrase «kilometer of ice at»

The collaboration's report on the first cosmic neutrino records from the IceCube Neutrino Observatory, collected from instruments embedded in one cubic kilometer of ice at the South Pole, was published Nov. 22 in the journal Science.

Circling the South Pole, ANITA's antennas will scan a million cubic kilometers of ice at a time, looking for the telltale radio waves emitted when an ultrahigh - energy neutrino hits a nucleus in ice.

In the Arctic, for example, data collected by Europe's Cryosat spacecraft pointed to about 9,000 cubic kilometers of ice at the end of the 2013 melt season.

Not exact matches

Caves extend up to 70 feet deep, with some retaining ice and snow well into the middle of summer, while the edge of the limestone cliffs at the Scenic Caves has views of the Georgian Bay and countryside that span 10,000 kilometers.

Among them: a 380,000 - liter tank full of dry - cleaning fluid in a South Dakota gold mine and a cubic kilometer of ice packed with light - sensitive orbs at the South Pole.

This isolated cavity of seawater, down at the grounding zone, sits deep beneath the back corner of the ice shelf — 850 kilometers back from where the edge of the ice meets the open sea.

Since 2003 the GRACE satellites had measured ice loss through variations in the earth's gravitation but only at the fuzzy resolution of hundreds of kilometers.

The researchers found that three sites lack absolute age control: at Chobot, Alberta, the three Clovis points found lack stratigraphic context, and the majority of other diagnostic artifacts are younger than Clovis by thousands of years; at Morley, Alberta, ridges are assumed without evidence to be chronologically correlated with Ice Age hills 2,600 kilometers away; and at Paw Paw Cove, Maryland, horizontal integrity of the Clovis artifacts found is compromised, according to that site's principal archaeologist.

The process happened so fast, in fact, that Collins calculated waves were destroying the pack at a rate of over 16 kilometers of ice an hour.

Science Ticker Science News Staff Antarctica's Larsen C ice shelf is within days of completely cracking The crack in Antarctica's Larsen C ice shelf (our No. 3 story for 2017) grew 17 kilometers at the end of May (SN Online: 6/1/17).

The new images, at resolutions of about 80 meters per pixel, show a striking shoreline, where smooth plains of nitrogen ice from Pluto's «heart» rub up against water ice mountains several kilometers high.

An international team including researchers from the Laboratoire de Planétologie Géodynamique de Nantes (CNRS / Université de Nantes / Université d'Angers), Charles University in Prague, and the Royal Observatory of Belgium [1] recently proposed a new model that reconciles different data sets and shows that the ice shell at Enceladus's south pole may be only a few kilometers thick.

Satellites from NASA and other agencies have been tracking sea ice changes since 1979, and the data show that Arctic sea ice has been shrinking at an average rate of about 20,500 square miles (53,100 square kilometers) per year over the 1979 - 2015 period.

The overall retreat of several kilometers that has occurred over the past 20,000 years was interrupted by a stillstand or a re-advance of several hundred years at the beginning of the ACR, and then by increasingly minor glacial episodes at the end of the YD, at the beginning of the Holocene (around 10,000 years ago) and during the Little Ice Age (13th to 19th centuries).

The 2007 minimum occurred on September 18 of that year, when Arctic sea ice extent stood at 4.15 million square kilometers (1.60 million square miles).

A year and half ago, physicists working with the massive IceCube particle detector — a 3D array of 5160 light sensors buried kilometers deep in ice at the South Pole — spotted ghostly subatomic particles called neutrinos from beyond our galaxy.

Geysers of vapor — a couple of hundred kilometers tall and possibly erupting at supersonic speeds — occasionally spew from the south polar regions of Europa, one of Jupiter's ice - covered moons, a new study suggests.

Earlier this month — on 17 March — the extent of Arctic sea ice peaked at nearly 15 million square kilometers, covering an area roughly twice the size of Australia.

In 2012, the year in which Arctic sea ice hit a record low, 69 percent of the tracked adult females in the Beaufort Sea swam more than 31 miles (50 kilometers) at least once.

But during the 6 weeks the researchers spent on the Gould documenting the interaction between humpbacks and krill in Wilhelmina Bay and nearby waters, they counted 306 humpbacks parked on the huge krill swarm, and a total of 500 throughout the unusually ice - free bay at the record - setting density of 5.1 whales per square kilometer.

But despite earlier pollen analysis that pegged the movement of some tree species (that is, average advancement via seed dispersal) at about a kilometer per year after the last ice age, genetic studies have reduced that estimate to a pace closer to a tenth of a kilometer per year, Loarie says.

Eske Willerslev also has found unexpected DNA in ice at depths of two kilometers.

«Mauna Kea had a large glacial ice cap of about 70 square kilometers [27 square miles] until 14,500 years ago, which has now all disappeared,» said Peter Clark, a geoscientist at Oregon State University.

Last year, a study of its gravitational field hinted at a 10 - kilometer - thick regional ocean around the south pole lying under an ice crust some 30 to 40 kilometers deep.

Nat» l Public Radio in the US is reporting the ice shelf story at the moment, though it happened a while back: «The Ayles Ice Shelf — 66 square kilometers (41 square miles) of it — broke clear 16 months ago from the coast of Ellesmere Island....&raqice shelf story at the moment, though it happened a while back: «The Ayles Ice Shelf — 66 square kilometers (41 square miles) of it — broke clear 16 months ago from the coast of Ellesmere Island....&raqIce Shelf — 66 square kilometers (41 square miles) of it — broke clear 16 months ago from the coast of Ellesmere Island....»

The meters thick ice covering millions of square kilometers has enough thermal inertia to shrug off warm weather (at least it has for hundreds of thousands of years), but not resist a warming climate.

With green features in its construction and even greener intentions, it's a great addition to the tourism circuit in the very popular southern area of the country.Located at 5 kilometers from El Calafate and surrounded by The Glaciers National Park, Glaciarium attempts to add some extra meaning to the amazing natural beauty that surrounds it: the park in which it's located is around 4,500 sq kilometers and comprises 47 glaciers, the largest ice cap outside Antarctica and Greenland.

13 (Danny Bloom) It's actually a very interesting horse race with this year's ice extent still two thirds of a million square kilometers more than last year at this same time.

There is no reason whatsoever to expect that similar behavior will be seen at the different poles; a few feet of ice floating on water is not exactly the same as two kilometers of ice piled up on a continent (East Antarctica) nor is either of those much like a kilometer of ice sitting on the sea floor (West Antarctica).

At the other end of the earth, the 2 - kilometer - thick Antarctic ice sheet, which covers a continent about twice the size of Australia and contains 70 percent of the world's fresh water, is also beginning to melt.

At an altitude of about 125 kilometers above the surface, measurements by the Venus Express probe have shown, the temperature drops to an amazingly low -175 °C, cool enough in theory for carbon dioxide ice or snow to form.»

Ice sheet mass decreased at 152 ± 80 cubic kilometers of ice per year, equal to 0.4 ± 0.2 millimeters of sea level rise per yeIce sheet mass decreased at 152 ± 80 cubic kilometers of ice per year, equal to 0.4 ± 0.2 millimeters of sea level rise per yeice per year, equal to 0.4 ± 0.2 millimeters of sea level rise per year.

Nearly the entire ice cover of Greenland, from its thin, low - lying coastal edges to its 2 - mile - thick (3.2 - kilometer) center, experienced some degree of melting at its surface, according to measurements from three independent satellites analyzed by NASA and university scientists.

During December 2009, ice extent grew at an average of 68,000 square kilometers (26,000 square miles) per day.

From what scientists have learned, this ice sheet is far from static: It has «streams» of fast - moving ice running toward the sea at a rate of several kilometers a year.

Does this suggest a new level of reduced summer ice extent persisting at around 5.0 million square kilometers, relative to a value of 6.0 million square kilometers in the early 2000s?

Area looks at all the square Kilometers (Km ^ 2) with more than 15 % ice in them and adds them up but multiplies the Km ^ 2 by the amount of ice in the square kilometer.

Lindsay and Zhang (Applied Physics Laboratory, University of Washington); 3.96 + 0.34 Million Square Kilometers; Statistical PIOMAS Model results indicate the ice has continued to thin at a fast rate.

Extent here is defined as the total area of ice with concentration (over an area of at least 100 square kilometers) greater than 15 %.

As a whole, the planet has been shedding sea ice at an average annual rate of 13,500 square miles (35,000 square kilometers) since 1979, the equivalent of losing an area of sea ice larger than the state of Maryland every year.»

The average arctic sea ice monthly extent for September 2012 was the lowest observed in the satellite era at 3.6 million square kilometers, based on National Snow and Ice Data Center (NSIDC) estimates — 50 % lower than the 1979 - 2000 average of 7.0 million square kilometeice monthly extent for September 2012 was the lowest observed in the satellite era at 3.6 million square kilometers, based on National Snow and Ice Data Center (NSIDC) estimates — 50 % lower than the 1979 - 2000 average of 7.0 million square kilometeIce Data Center (NSIDC) estimates — 50 % lower than the 1979 - 2000 average of 7.0 million square kilometers.

As of 13 August, «Sea ice extent is currently tracking at 5.4 million square kilometers (2.1 million square miles), with daily extents running at 940,000 square kilometers (361,000 square miles) below previous daily record lows, a significant decline from past years.»

The gap between the 1981 to 2010 average and the 2016 combined ice extent for December now stands at about 3.0 million square kilometers (1.16 million square miles), down from a peak difference of just over 4 million square kilometers (1.50 million square miles) in mid-November.

In other words, about 1/3 to 1/2 a kilometer of ice thickness at the grounding line was lost in just seven years.

In fact, one study showed that warming in the western Arctic owing to the rapid retreat of sea ice is 3.5 times greater than at other times and places not affected by dramatic retreat.16 This warming has been known to affect up to 932 square miles (1,500 square kilometers), with the effect peaking in autumn.16

In 2005 the Greenland ice sheet lost around 53 cubic miles (220 cubic kilometers) of mass — more than two times the amount it lost in 1996 (22 cubic miles, or 90 cubic kilometers).5 The melt area set a new record in 2007: it was about 60 percent larger than the previous record in 1998, and extended farther inland.7, 8 By 2007 the melt season at elevations above 6,500 feet (2,000 meters) was a month longer than the average from 1988 to 2006.9

According to a preliminary analysis of satellite data by scientists at NASA and the National Snow and Ice Data Center (NSIDC), sea ice extent shrank to 4.41 million square kilometers (1.70 million square miles) on September 11, 20Ice Data Center (NSIDC), sea ice extent shrank to 4.41 million square kilometers (1.70 million square miles) on September 11, 20ice extent shrank to 4.41 million square kilometers (1.70 million square miles) on September 11, 2015.

At the beginning of June, Arctic sea ice extent was about 400,000 square kilometers below the 1981 - 2010 average and slightly below the 2012 and 2013 extent on June 1 (Figure 3).

The ice mass itself moves at about four kilometers per year into the ocean, a dramatic acceleration of the glacier's natural role as an outlet channel for the Antarctic ice sheet.

Less than 30 years ago, there would still be 7 million square kilometers or 2.5 million square miles of ice left at the end of an Arctic summer.