2017年7月14日 星期五

Antarctica’s fragile ice. 南極易碎的冰

Satellite view of Antarctica
A undated satellite view of Antarctica obtained by Reuters February 6, 2012. (Photo: NASA/Handout via Reuters)
Coastal mountains, West Antarctica
Mountains stand near the coast of West Antarctica as seen from a window of a NASA Operation IceBridge airplane on October 27, 2016 in-flight over Antarctica. (Photo: Mario Tama/Getty Images)
Glaciers and mountains, West Antarctica
Glaciers and mountains in the evening sun are seen on an Operation IceBridge research flight, returning from West Antarctica on Oct. 29, 2014. NASA is carrying out research flights over Antarctica to study changes in the continent’s ice sheet, glaciers and sea ice. The Antarctic Peninsula has been warming faster than the rest of the continent. (Photo: NASA/Michael Studinger)
A Weddell seal rests
A Weddell seal rests on an ice floe in the western Antarctic peninsula, on March 5, 2016. (Photo: Eitan Abramovich/AFP/Getty Images)
Gentoo penguins in Cuverville Island
View of Gentoo penguins in Cuverville Island, in the western Antarctic peninsula on March 4, 2016. Waddling over the rocks, legions of penguins hurl themselves into the icy waters of Antarctica, foraging to feed their young. Like seals and whales, they eat krill, an inch-long shrimp-like crustacean that forms the basis of the Southern Ocean food chain. But penguin-watchers say the krill are getting scarcer in the western Antarctic peninsula, under threat from climate change and fishing. (Photo: Eitan Abramovich/AFP/Getty Images)
Ice floats, West Antarctica
Ice floats near the coast of West Antarctica as seen from a window of a NASA Operation IceBridge airplane during a mission to observe sea ice on Oct. 27, 2016 in-flight over Antarctica. NASA’s Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. (Photo: Mario Tama/Getty Images)
Ice floats, West Antarctica
Ice floats near the coast of West Antarctica as viewed from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. (Photo: Mario Tama/Getty Images)
Adelie penguins stand atop ice
Adelie penguins stand atop ice near the French station at Dumont d’Urville in East Antarctica, Jan. 22, 2010. (Photo: Pauline Askin/Reuters)
Livingston Island glaciers
Glaciers of Livingston Island are pictured in the Antarctica continent, Nov. 25, 2008. (Photo: Paulo Whitaker/Reuters)
Antarctica's fragile ice
https://www.yahoo.com/news/antarcticas-fragile-ice-slideshow-wp-183456416/photo-p-aerial-view-rift-larsen-photo-183456379.html

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