Ayles Ice Shelf - Dr. Luke Copland

Click here for more information from the Canadian Ice Service

An ASTER satellite image of the Ayles Ice Shelf from summer 2002. Source: NASA

Denis Sarrazin of the Centre d'études nordiques, Université Laval in front of the Ayles Ice Island, 30 May 2006'. Source: Warwick Vincent, Université Laval

Denis Sarrazin of the Centre d'études nordiques, Université Laval in front of the Ayles Ice Island, 30 May 2006'. Source: Warwick Vincent, Université Laval

Time Series of Ayles Detachment

Chunks of broken multiyear landfast sea ice in Yelverton Bay, Ellesmere Island, 30 May 2006'. Source: Warwick Vincent, Université Laval.

MS WORD VERSION

Source: Derek Mueller, University of Alaska Fairbanks

Source: Derek Mueller, University of Alaska Fairbanks

MODIS satellite image of Ellesmere Island, 13 Aug 2005, 20:45 GMT. The Ayles Ice Shelf can be seen calving in the top centre of the image'. Source: NASA

An ASTER satellite image of Ayles Fiord from summer 2006, after the calving of the Ayles Ice Shelf. The Ice Shelf is no longer present, and the fiord is now infilled with sea ice. Source: NASA

Contact: Dr. Luke Copland, uOttawa, Geography Tel: 613-562-5800 x2826 Eml: luke.copland@uottawa.ca

Contact: Dr. Luke Copland Assistant Professor / Professeur Adjoint Department of Geography / Département de Géographie University of Ottawa / Université d'Ottawa 60 University Ottawa, Ontario K1N 6N5, Canada Tel: +1 613 562 5800 x2826 Fax: +1 613 562 5145

(C) LAGGISS 2007

A close up of the MODIS satellite image showing the calving of the Ayles Ice Shelf, 13 Aug 2005, 20:45 GMT'. Source: NASA

Click here for Arctic, satellite animations, and other graphics that may be used as stock courtesy of the Laboratory for Applied Geomatics and GIS Science (LAGGISS), University of Ottawa, Geography

Also see here for animations courtesy of Zoran Reljic (LAGGISS)

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"On August 13, 2005, almost the entire Ayles Ice Shelf calved from the northern edge of Ellesmere Island. This reduced the remaining ice shelves there from 6 to 5, and continues a trend of dramatic loss of these ice shelves over the past century. Since 1900, approximately 90% of the Ellesmere Island ice shelves have calved and floated away. This is a one-way process as 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 City of Manhattan. Please note that some media stories have incorrectly stated the area as 41 sq. miles due to an improper conversion from sq. km" - Dr. Luke Copland

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