"It was a huge effort and enormously challenging," said Michael Byers, an expert on Arctic and international law at the University of British Columbia.
But Byers said there's no evidence that Canada has collected the kind of data it would need to challenge Russia.
Canadian officials have acknowledged mapping flights over the top of the world and into Russia's claim, which does stop at the pole.
kilometres of sea floor data was collected from a part of the globe less familiar than the surface of the moon.
Canada has previously released maps on the likely boundaries of its claim. Russia filed its claim in 2002 and Denmark released its last week. has not signed the convention, but has agreed to follow most of its articles. Its boundary dispute with Canada involves the exclusive economic zone and doesn't directly impact Friday's claim.
"We may have some small overlaps in the middle, but for the most part there will not 2017 Air Max 95 be any overlap between the Russian submission on the one side and the Canadian and Danish submissions on the other," he said.
With the co operation of three Arctic neighbours Denmark, Russia and the United States more than 18,000 Air Max 95 Jacquard Wolf Grey
Conflicts are likely to be few. One calculation puts the amount of overlap between claims at a mere 75,000 square kilometres out of millions and millions.
"I don't think there's something magical that stops (the claim) at the North Pole," he said.
And there isn't any particular rush, said Byers. These claims cover some of the remotest and harshest points on the planet and commercial exploitation of resources is a long ways off.
Whether or not Canada will claim the North Pole, a decision on its fate is still probably 20 years off. Just checking the science on Canada's claim will likely take five years, said Huebert.
Canada's deadline is Friday to apply to a United Nations commission for exclusive rights to what is likely to be another 1.7 million square kilometres of Arctic seafloor. The application under the Convention on the Law of the Sea will be the culmination of a decade of work and more than $200 million in public money.
Some time this week, Canada is expected to make its case to the world to dramatically expand its boundaries by an area equivalent to the size of all three Prairie provinces.
It all depends on how valuable Canadian officials think that real estate is, said Air Max 95 Lebron
The effort required more than a dozen icebreaker voyages, as well as trips by helicopters, airplanes and an unmanned, remote controlled submarine that spent days under the ice.
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The United Nations Convention on the Law of the Sea governs which nations exert what kinds of controls over their surrounding waters. In addition to the 22 kilometre territorial waters and the 370 kilometre exclusive economic zones, coastal countries are allowed to claim additional sea floor if they can show their continental shelf extends beyond the economic zone.
Rob Huebert, an Arctic expert at the University of Calgary, will be watching to see if Canada stretches its claim past the North Pole. The geologic justification an undersea mountain range called the Lomonosov Ridge that stretches north from Ellesmere Island is there, he said.
"Maybe it's simply not worth it. Maybe we said, 'You know what, for the sake of international peace and stability, it's not important. We'll only do our science up to that and that will be the basis of our claim.'
on the map will have been drawn by scores of scientists working everywhere from Ottawa labs to ice camps off the northern shores of Ellesmere Island, peering under the stormy black waters to discern the shape and composition of sea floor thousands of metres below.
Canada to file Arctic seafloor claim this week
"(But) it means we didn't go as far as we could."
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