The scientists initially thought they had arrived at Oodaaq, an island discovered by a Danish survey team in 1978.
Sea ice thickness is inferred by measuring the height of the ice above the water, and this measurement is distorted by snow weighing the ice floe down.
Apart from the minerals including copious reserves of oil and gas, the Arctic is also opening new and cheaper shipping routes.
Antarctic waters are protected by stringent regulations even though no cargo moves through the turbulent southern waters. But for the Arctic, the rules have been looser.
Walrus haulouts have traditionally been located on drifting sea ice or on Arctic islands, scientists say.
Observations revealed the nearly complete elimination of ozone in a four-mile-high column of the stratosphere over the South Pole.
Greenland is a semi-autonomous part of the Kingdom of Denmark and Copenhagen runs the island's defence through its Joint Arctic Command.
The exhibition will look at the circumpolar region, revealing how Arctic Peoples have adapted to climate variability in the past and meet the challenges of global climate change today.
The grizzled 55-year-old is now ice navigator on board a Greenpeace ship in the Arctic.
Mya-Rose Craig , from southwest England, is known as 'Birdgirl' online, where her blog chronicling her bird-watching experiences has attracted thousands of followers.