Sentences with phrase «white ice sheet»

Meteorites are also easier to locate in Antarctica partly because of the contrast between dark rocks and white ice sheet, says Ralph Harvey, principal investigator of the U.S. - led Antarctic Search for Meteorites (ANSMET) program.

Not exact matches

Sunlight tends to bounce off the white, reflective surfaces of glaciers and ice sheets, but the darker surfaces of dirty ground ice can absorb greater amounts of solar radiation.

Carlo Barbante (left), an analytical chemist from the University of Venice in Italy, and Andrew Mitchell, a microbial geochemist from Aberystwyth University in England, sport white Tyvex suits on the Antarctic Ice Sheet.

Traveling by helicopter from the main American base of McMurdo Station on Ross Island to the Dry Valleys, researchers fly over a portion of the Ross Ice Shelf and then a corner of the mesmerizing white spread of the East Antarctic Ice Sheet, which is the largest in the world.

On a clear day, anyone flying over Greenland on the route between North America and Europe can look down and see the bright blue patches of melted water atop the flat, blindingly white expanse of the ice sheet that covers the island, the second largest chunk of ice on Earth.

There was an era called white earth which starts about 700 million years ago with alternating periods of deep ice sheets and then hotter warmer stages which led to formation of various kinds of crystals, and last and luckily we live in the period known as green earth, which started about 400 million years ago when multicellular life arose and wholly changed to biochemical breakdown the makeup of the minerals on the planet again.

The notch of water in the black and white cross-section of the ice might not look like much, but the small pools of water that persist through the winter have the potential to have large impacts on the sheet's durability.

Recent summers on the vast, white expanse of the Greenland ice sheet have featured some spectacular ice melt, including an alarming period in 2012 when nearly the whole surface showed signs of melt.

Over the weekend the first characters posters for the Snow White and the Huntsman follow - up The Huntsman: Winter's War arrived online, and with a trailer set to land today [watch a teaser here], we now have another two one - sheets, featuring Chris Hemsworth as The Huntsman, Charlize Theron as The Wicked Queen, Emily Blunt as The Ice -LSB-...]

As discussed on the CRYOLIST listserv, the confusion came most likely from a confusion in definitions of what is the permanent ice sheet, and what are glaciers, with the «glaciers» being either dropped from the Atlas entirely or colored brown (instead of white)(No - one that I have seen has posted the legend from the Atlas that gives the definition of the various shadings, though in the 1994 edition I have, glaciers are (unsurprisingly) white, not brown).

... the confusion came most likely from a confusion in definitions of what is the permanent ice sheet, and what are glaciers, with the «glaciers» being either dropped from the Atlas entirely or colored brown (instead of white)... there is simply no measure — neither thickness nor areal extent — by which Greenland can be said to have lost 15 % of its ice.

If all of the currently attainable carbon resources [estimated to be between 8500 and 13.600 GtC (4)-RSB- were burned, the Antarctic Ice Sheet would lose most of its mass, raising global sea level by more than 50 m. For the 125 GtC as well as the 500, 800, 2500, and 5000 GtC scenarios, the ice - covered area is depicted in white (ice - free bedrock in browIce Sheet would lose most of its mass, raising global sea level by more than 50 m. For the 125 GtC as well as the 500, 800, 2500, and 5000 GtC scenarios, the ice - covered area is depicted in white (ice - free bedrock in browice - covered area is depicted in white (ice - free bedrock in browice - free bedrock in brown).

They develop when piles of wind - blown debris settle on the white, reflective surface of a glacier or ice sheet.

«This is an inherently unstable ice sheet,» White says quietly.

Greenland looks like that, even on a cloudless day — but the great white mass between the occasional punctuations is not a fluffy cloud layer but a massive ice sheet, miles deep.

«Warm water, as one could imagine, is the enemy of ice, and we don't monitor ocean currents and ocean temperatures near the ice sheet nearly as much as we should,» White said.

HIGH & LOW: Ice Mist OC - 67 wall paint, Benjamin Moore, Midnight Navy 2067 - 10 accent wall paint, Benjamin Moore; Coral sheet set, Crate and Barrel; White shams, IKEA; White teapot with cup, CB2; Tall glass vase, Pottery Barn; Large wooden bowl (holding lavender), Snob; Candle (on wooden box), Jo Malone London.