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SAN FRANCISCO http://www.discount-cheapairmax.com/ , June 8 (Xinhua) -- Dustin Schroeder, a radio glaciologist at the Stanford University School of Earth, Energy and Environmental Sciences, has been using ice-penetrating radar data as a new way to observe, understand and predict the configuration of ice sheets.
The research cheap nike air max mens , according to a news release from the school, is important for understanding climate change, since ice sheets and glaciers, namely slowly moving masses of ice, regulate conditions for the whole planet. Located in the Antarctic and Greenland cheap nike air max womens , their stability greatly impacts how quickly oceans will rise, by how much, and how that will affect the rest of the climate system.
""In some ways, we know more about the surface of Mars than we do about what's beneath the Antarctic Ice Sheet,"" Schroeder was quoted as saying. And ""we can predict weather reasonably well. But when you're talking about the collapse of an ice sheet cheap air max mens , it's less like predicting weather and more like jumping, rumbling, tectonic disaster prediction.""
Making predictions about glaciers and ice sheets requires researchers to observe and understand changing conditions beneath kilometers of ice. Much of the data Schroeder uses to analyze ice sheets is collected by air-borne radar technology developed by different nations during World War II.
While ground-penetrating radar can only measure a few meters through land, ice-penetrating radar can reach three kilometers below the surface.
With information collected from these surveys, the researchers analyze radargrams, or visualizations of the data that show a vertical profile through the ice sheet, like a slice of layer cake. Similar to tree rings cheap air max womens , the layers reveal information about the history of the ice sheets.
Ice-penetrating radar is the best tool for understanding ice sheets, but researchers need to use innovative methods in data processing, analysis, and modeling to create a complete picture of the glacial system. Some techniques offer broad, three-dimensional coverage cheap nike air max shoes , but cannot reveal patterns over long periods of time.
""If a retreat starts there, it could spread to the rest of the ice sheet,"" Schroeder said. ""From my perspective, heat from the ocean is driving change, but it's what's happening underneath that determines how the ice sheet responds.""
She's been a disciple of the peaceful practice of yoga for years.
But Anne Hathaway decided to switch gears on Wednesday and put in an energy-packed cheap nike air max , heart-pumping hike in the Hollywood Hills of Los Angeles with her girlfriends.
The mostly uphill workout was just what was needed to bring a satisfied smile on the actress' face, which was shiny with sweat and free of pore-clogging make-up.
The Oscar-winning Les Miserables star, 30, was sexily attired in sky-blue, clingy leggings paired with a white tank T-shirt over a short-cropped athletic top cheap air max shoes , and navy trainers.
Anne's leg muscles were toned and perfectly shaped all the way to her slender ankles and she wasn't shy about showing them off either.
A white scarf was wrapped around her neck to protect the skin from sun exposure while a black baseball cap covered her short brown hair.
At some point Anne put on large-framed dark sunglasses to help shield her eyes from the sun's glare.
Anne usually puts in a daily dose of yoga to get her engine going, as she did on Friday, but obviously craved the excitement of the outdoors and scenic city views as well as friendly company.
Her career is hotter than ever thanks to her critically acclaimed role as Fantine in the musical Les Miserables, for which she won numerous awards including the Oscar for Best Supporting Actress.
She no doubt wanted to make the most of her free time after completing the film Song One, which was produced by her husband of one year Adam Shulman.
In the drama cheap air max , Anne plays an archaeologist who returns home from a dig to visit her injured brother, and soon she strikes up a relationship with his favourite musician.
The film is set to be released sometime in 2014.
Anne also has a role in the sci-fi Interstellar directed by Christopher Nolan and co-starring Matthew McConaughey and Jessica Chastain, with shooting to begin soon in Canada and Iceland.
In good company: Anne wanted to make the most of her free time with her pals before she goes back in front of the cameras Great shape: Anne Hathaway flexed her muscles in blue leggings and tank top as she enjoyed an invigorating hike in Los Angeles' Hollywood Hills on Wednesday with girlfriends Working up a sweat: The 30-year-old A-lister loves yoga but decided to pump it up a few notches Working up a sweat: The 30-year-old A-lister loves yoga but decided to pump it up a few notches Getting results: Anne's figure is toned in all the right places Getting results: Anne's figure is toned in all the right places On top of the world: The actress is at the peak of her career since winning the Best Supporting Actress Oscar for Les Miserables in February. " Located on the country's south west coast, it is synonymous with partying and beach holidays, but also has an array of other sights and experiences for travellers. Portuguese traders first landed on the shores of Goa in the 1500s and the area existed as a Portuguese colony for centuries, until it was annexed as part of India in 1961.
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