Reader Manny writes [via email, and in the comments – slightly edited].
I created a composite between the photo of the beast from our own Radarsat (link below) and a map of Canada from MSN Encarta World Atlas (free online) to illustrate the size and distance of the thing.
full size
About the risk to the Hibernia oil platform[*], it is 4,500 km away from it (straight line). That’s the distance between Montreal and Calgary. Can everyone please relax?
PS: I was intrigued by Ice island vs Iceberg. From the Canadian Encyclopedia:
“In the Arctic Ocean, the term “ice island” is applied to pieces of floating shelf ice that form principally on the north coast of ELLESMERE ISLAND. These thin tabular icebergs are 20-60 m thick, often up to 100 km2 in area, and typically protrude 2-6 m above water.” …”The thinner arctic ice islands have a much lower natural period of oscillation and, having horizontal dimensions much greater than their thickness, tend to absorb ocean waves as filtered travelling waves, which induce flexing of the ice. As the ice island thins by melting, this process may lead to it fracturing and breaking into smaller pieces.” … “Since 1985 a Canadian station has been maintained on an ice island that calved from the Ward-Hunt Ice Shelf in 1983. Because many ice islands become trapped in Arctic Ocean current gyres, they survive for many years, melting and crumbling at the edges only slowly.”
More unmentioned data;
As this table indicates, the vast majority of ice shelf loss occured in the first half of the 20th century, assuming there’s been no difference in the Helocene ice shelves. from 4500 years ago to 100 years ago. To me, that’s a significant assumption.
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