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图片 | 2017年 7月 13日 星期四 01:25 BJT

Antarctica's fragile ice

One of the biggest icebergs on record has broken away from Antarctica, creating an extra hazard for ships around the continent as it breaks up. The one trillion tonne iceberg, measuring 5,800 square km, calved away from the Larsen C Ice Shelf sometime between July 10 and 12.



Courtesy ESA/Handout via REUTERS

One of the biggest icebergs on record has broken away from Antarctica, creating an extra hazard for ships aroumore

One of the biggest icebergs on record has broken away from Antarctica, creating an extra hazard for ships around the continent as it breaks up. The one trillion tonne iceberg, measuring 5,800 square km, calved away from the Larsen C Ice Shelf sometime between July 10 and 12. Courtesy ESA/Handout via REUTERS
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An oblique view of the massive rift in the Larsen C ice shelf last year. 

Courtesy John Sonntag/NASA/via REUTERS

An oblique view of the massive rift in the Larsen C ice shelf last year. Courtesy John Sonntag/NASA/via REUTmore

An oblique view of the massive rift in the Larsen C ice shelf last year. Courtesy John Sonntag/NASA/via REUTERS
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Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica. 

REUTERS/Pauline Askin

Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in Emore

Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin
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The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. 


NASA Earth Observatory/Holli Riebeek/via REUTERS

The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. more

The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. NASA Earth Observatory/Holli Riebeek/via REUTERS
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Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica.


REUTERS/Pauline Askin

Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica. REUTERS/Pmore

Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica. REUTERS/Pauline Askin
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Glaciers of Livingston Island are pictured in the Antarctica continent. 


REUTERS/Paulo Whitaker

Glaciers of Livingston Island are pictured in the Antarctica continent. REUTERS/Paulo Whitaker

Glaciers of Livingston Island are pictured in the Antarctica continent. REUTERS/Paulo Whitaker
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Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. 


REUTERS/Pauline Askin

Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. REUTERS/Paulmore

Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. REUTERS/Pauline Askin
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A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satellite monitoring system. REUTERS/Alister Doyle

A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satelmore

A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satellite monitoring system. REUTERS/Alister Doyle
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General view of the Taylor Glacier near McMurdo Station. 


REUTERS/Mark Ralston/Pool

General view of the Taylor Glacier near McMurdo Station. REUTERS/Mark Ralston/Pool

General view of the Taylor Glacier near McMurdo Station. REUTERS/Mark Ralston/Pool
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Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. 


REUTERS/Pauline Askin

Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin

Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin
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A satellite view of Antarctica. REUTERS/NASA/via Reuters

A satellite view of Antarctica. REUTERS/NASA/via Reuters

A satellite view of Antarctica. REUTERS/NASA/via Reuters
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Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison.  


REUTERS/Pauline Askin

Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison. REUTERS/Pauline Askin

Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison. REUTERS/Pauline Askin
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A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. 


REUTERS/Pauline Askin

A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. 


REUTERS/Pauline Askin

Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctic Peninsula. 

REUTERS/Alister Doyle

Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctimore

Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctic Peninsula. REUTERS/Alister Doyle
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A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. 


REUTERS/Alister Doyle

A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. more

A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. REUTERS/Alister Doyle
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The Thwaites Glacier in Antarctica, seen in 2014. 
 


REUTERS/NASA

The Thwaites Glacier in Antarctica, seen in 2014. REUTERS/NASA

The Thwaites Glacier in Antarctica, seen in 2014. REUTERS/NASA
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A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. 



REUTERS/Pauline Askin

A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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