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Politics : Formerly About Advanced Micro Devices
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To: Sdgla who wrote (837873)2/20/2015 1:48:21 PM
From: Wharf Rat  Read Replies (2) of 1576663
 
Shock News – Massive Calving of Jakobshavn Isbræ
February 20, 2015

Jakobshavn Isbræ is a glacier in Western Greenland made (more?) famous by James Balog in his “Chasing Ice” movie. Here’s the “official video”:

which claims that it:

Captures [the] largest glacier calving ever filmed. On May 28, 2008, Adam LeWinter and Director Jeff Orlowski filmed a historic breakup at the Ilulissat Glacier in Western Greenland.

Depending on which languages you prefer to mix and match “Ilulissat Glacier” is another name for the self same glacier. So is “Sermeq Kujalleq”. Now comes news that something similar has just happened, albeit captured only by satellites in the twilight of the Arctic “spring”. Over on the Arctic Sea Ice Forum Espen Olsen posted late last night (UTC):

Believe it or not! Massive calving seen at the southern branch of Jakobshavn Isbræ

together with this animation created using images from the Landsat 8 Operational Land Imager:



We’ve just grabbed this Sentinel-1A synthetic aperture radar image from January 15th via Polarview, which appears to suggest that the calving took place before 20:38 UTC on that date:



Here’s a much clearer Sentinel-1A image via “nukefix” at the Arctic Sea Ice Forum, which confirms that the calving took place on or before February 16th:



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