It seems unthinkable, but for the first time in human history, ice is on course to disappear entirely from the North Pole this year.
North Pole defined as the point in the northern hemisphere where the Earth’s axis of rotation meets the Earth’s surface. The north pole is often credited as having snow. But polar scientists reveal dramatic new evidence of climate change – no more ice at north pole.
The North Pole ice is melting at the highest rate and as a result, there will be no ice. In other words, the pole may be completely ice-free at the surface and composed of nothing but open water by September.
The disappearance of the Arctic sea ice, making it possible to reach the Pole sailing in a boat through open water, would be one of the most dramatic â€“ and worrying â€“ examples of the impact of global warming on the planet. Scientists say the ice at 90 degrees north may well have melted away by the summer.
If it happens, it raises the prospect of the Arctic nations being able to exploit the valuable oil and mineral deposits below these a bed which have until now been impossible to extract because of the thick sea ice above.
The Arctic Ocean, located in the northern hemisphere and mostly in the Arctic north polar region. Arctic summer melting in 2007 set new records. The polar ice pack is thinning, and there is a seasonal hole in ozone layer in many years. Reduction of the area of Arctic sea ice will have an effect on the planet’s albedo, thus possibly affecting global warming within a positive feedback mechanism
The most important areas of pack ice are the polar ice packs formed from seawater in the Earth’s polar regions: the Arctic ice pack of the Arctic Ocean and the Antarctic ice pack of the Southern Ocean. Scientists in the US have presented one of the most dramatic forecasts yet for the disappearance of Arctic sea ice. In the end, it will just melt away quite suddenly. It might not be as early as 2013 but it will be soon, much earlier than 2040.
From the BBC Story:
Their latest modelling studies indicate northern polar waters could be ice-free in summers within just 5-6 years.
Professor Wieslaw Maslowski told an American Geophysical Union meeting that previous projections had underestimated the processes now driving ice loss.
Summer melting this year reduced the ice cover to 4.13 million sq km, the smallest ever extent in modern times.