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Ayles Ice Shelf Breakup Viewed from Overhead
On August 13, 2005, almost the entire Ayles Ice Shelf calved from the northern edge of Ellesmere Island. This continues the trend of dramatic loss of these ice shelves over the past century, reducing the remaining ice shelves there from six to five. Since 1900, approximately 90% of the Ellesmere Island ice shelves have calved and floated away. There is insufficient new ice formation to replace the ice that has been lost. The Ayles calving event was the largest in at least the last 25 years; a total of 87.1 sq km (33.6 sq miles) of ice was lost in this event, of which the largest piece was 66.4 sq km (25.6 sq. miles) in area. This piece is equivalent in size to approximately 11,000 football fields or a little larger than the island of Manhattan.

Animation zooms to view the ice shelf from overhead and sequences through the satellite images showing the breakup. The overlay shows the region of interest and the date and time.    Animation zooms to view the ice shelf from overhead and sequences through the satellite images showing the breakup. The overlay shows the region of interest and the date and time.
Duration: 20.0 seconds
Available formats:
  1280x720 (29.97 fps) Frames (Ayles with overlay)
  512x288 (29.97 fps) MPEG-1   4 MB
  1280x720 (29.97 fps) MPEG-2   26 MB
  1280x720 (29.97 fps) MPEG-4   16 MB
  640x360 (29.92 fps) MPEG-4   3 MB
  320x180     PNG           303 KB
  160x80       PNG           69 KB
  80x40         PNG           17 KB
  1280x720 (59.94 fps) Frames (Ayles with overlay)
  1920x1080 (59.94 fps) Frames (Ayles with overlay)
How to play our movies


Animation zooms to view the ice shelf from overhead and sequences through the satellite images showing the breakup. The overlay shows the region of interest and the date and time.    Animation zooms to view the ice shelf from overhead and sequences through the satellite images showing the breakup. The overlay shows the region of interest and the date and time.

Available formats:
  1280 x 720       TIFF (Ayles with overlay) 1 GB
  512 x 288         MPEG-1 4 MB
  1280 x 720       MPEG-2 26 MB
  1280 x 720       MPEG-4 16 MB
  640 x 360         MPEG-4 3 MB
  320 x 180         PNG     303 KB
  160 x 80           PNG       69 KB
  80 x 40             PNG       17 KB
  1280 x 720       TIFF (Ayles with overlay) 2 GB
  1920 x 1080     TIFF (Ayles with overlay) 5 GB


This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.    This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.

Available formats:
  720x480 (29.97 fps) Frames (Ayles with Overlay)
  320x213     PNG           353 KB
  320x240 (29.97 fps) MPEG-1   2 MB
  640x480 (29.97 fps) MPEG-1   7 MB
  720x480 (29.97 fps) MPEG-2   12 MB
  320x240 (29.97 fps) X-FLV       787 KB
How to play our movies


This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.    This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.

Available formats:
  720 x 480         TIFF (Ayles with Overlay) 290 MB
  320 x 213         PNG     353 KB
  320 x 240         MPEG-1 2 MB
  640 x 480         MPEG-1 7 MB
  720 x 480         MPEG-2 12 MB
  320 x 240         X-FLV 787 KB


The animation is identical to the first animation above but does not show the overlay that contains the date and the ice shelf locator.    The animation is identical to the first animation above but does not show the overlay that contains the date and the ice shelf locator.
Duration: 20.0 seconds
Available formats:
  1280x720 (29.97 fps) Frames (Ayles)
  512x288 (29.97 fps) MPEG-1   4 MB
  1280x720 (29.97 fps) MPEG-2   26 MB
  1280x720 (29.97 fps) MPEG-4   16 MB
  640x360 (29.92 fps) MPEG-4   3 MB
  320x180     PNG           304 KB
  1280x720 (59.94 fps) Frames (Ayles)
  1920x1080 (59.94 fps) Frames (Ayles)
How to play our movies


The animation is identical to the first animation above but does not show the overlay that contains the date and the ice shelf locator.    The animation is identical to the first animation above but does not show the overlay that contains the date and the ice shelf locator.

Available formats:
  1280 x 720       TIFF (Ayles) 676 MB
  512 x 288         MPEG-1 4 MB
  1280 x 720       MPEG-2 26 MB
  1280 x 720       MPEG-4 16 MB
  640 x 360         MPEG-4 3 MB
  320 x 180         PNG     304 KB
  1280 x 720       TIFF (Ayles) 1 GB
  1920 x 1080     TIFF (Ayles) 2 GB


This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.    This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.

Available formats:
  720x480 (29.97 fps) Frames (Ayles)
  320x213     PNG           355 KB
  320x240 (29.97 fps) MPEG-1   2 MB
  640x480 (29.97 fps) MPEG-1   7 MB
  720x480 (29.97 fps) MPEG-2   12 MB
  320x240 (29.97 fps) X-FLV       803 KB
How to play our movies


This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.    This animation is identical to the above animation except that it has been reformatted to fit standard definition NTSC with a 4x3 aspect ratio.

Available formats:
  720 x 480         TIFF (Ayles) 289 MB
  320 x 213         PNG     355 KB
  320 x 240         MPEG-1 2 MB
  640 x 480         MPEG-1 7 MB
  720 x 480         MPEG-2 12 MB
  320 x 240         X-FLV 803 KB


Image of Ayles ice shelf on August 13, 2005 at time 00:55 GMT    Image of Ayles ice shelf on August 13, 2005 at time 00:55 GMT

Available formats:
  2560 x 1920     TIFF 4 MB
  320 x 240         PNG     394 KB


Image of Ayles ice shelf on August 14, 2005 at time 00:00 GMT.    Image of Ayles ice shelf on August 14, 2005 at time 00:00 GMT.

Available formats:
  2560 x 1920     TIFF 4 MB
  320 x 240         PNG     401 KB


Overlay with a box outlining the region of interest, an area indicating the ice shelf and a date bar.    Overlay with a box outlining the region of interest, an area indicating the ice shelf and a date bar.

Available formats:
  1280x720 (29.97 fps) Frames (Overlay)
  320x180     PNG           7 KB
  1280x720 (59.94 fps) Frames (Overlay)
  1920x1080 (59.94 fps) Frames (Overlay)
How to play our movies


Overlay with a box outlining the region of interest, an area indicating the ice shelf and a date bar.    Overlay with a box outlining the region of interest, an area indicating the ice shelf and a date bar.

Available formats:
  1280 x 720       TIFF 57 MB
  320 x 180         PNG         7 KB
  1280 x 720       TIFF 114 MB
  1920 x 1080     TIFF 218 MB

Animation Number:3429
Completed:2007-05-21
Animator:Cindy Starr (GST) (Lead)
Scientist:Luke Copland (University of Ottawa)
Platforms/Sensors/Data Sets:Aqua/MODIS (2005-08-13 to 2005-08-14)
 Terra/MODIS (2005-08-13 to 2005-08-14)
 Aqua/AMSR-E/Daily L3 6.25 km 89 GHz Brightness Temperature (Tb) (2005-01-26 to 2005-08-13)
 Aqua/AMSR-E/Daily L3 12.5km Tb, Sea Ice Concentration, and Snow Depth (2005-01-26 to 2005-08-13)
 Terra/MODIS/Land Surface Reflectance (2005-08-13 to 2005-08-14)
Keywords:
DLESE >> Cryology
SVS >> HDTV
SVS >> Ice Shelf
GCMD >> EARTH SCIENCE >> Cryosphere
GCMD >> EARTH SCIENCE >> Cryosphere >> Sea Ice
GCMD >> EARTH SCIENCE >> Oceans >> Sea Ice
GCMD >> EARTH SCIENCE >> Cryosphere >> Sea Ice >> Sea Ice Concentration
GCMD >> EARTH SCIENCE >> Cryosphere >> Sea Ice >> Sea Ice Motion
GCMD >> EARTH SCIENCE >> Cryosphere >> Snow/Ice >> Ice Motion
 
 
Please give credit for this item to
NASA/Goddard Space Flight Center Scientific Visualization Studio The Blue Marble Next Generation data is courtesy of Reto Stockli (NASA/GSFC).


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