William Colgan has taken stunning pictures, recording incredible speed of ice melting on the surface of Greenland.

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The pictures of melting icebergs in Greenland taken during a recent expedition are beautiful, marvelous but they are also the warning signs of fierce climate change happening at the present time.

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The above picture was taken during a geological survey in Denmark and Greenland led by Professor Horst Machguth.

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These stunning pictures are provided by William Colgan, who is an assistant professor in Earth and Space Sciences and Engineering at York University in Toronto, Canada.

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Studies have shown that most of the surface of ice in Greenland has melted and formed big grooves. The surface becomes thinner and more angular.

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The firn layer (when in a state of snow turning into ice) absorbs 30-40% of the water from melting ice surface. This amount of water doesn’t flow into the ocean so it hasn’t made sea levels rise.

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The ice surface has been severely affected, forming many rivers of meltwater. If temperature continues rising, making ice melt, it can lead to rising sea levels which threatens human life.

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The Greenland ice sheet has melted more than 9 trillion tons of ice in the past century and it is rapidly melting more and more.

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Approximately 81% of the surface in Greenland is covered in ice, the weight of ice has compressed the heartland, forming a pan shape more than 300 m (1,000 ft) lower than sea levels.

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The highest place on Greenland ice sheet is Gunnbjørn mountain in the east, 3,693 m in height. Greenland coastline is 44,087 km long, approximately the same as the length of the circumference of Earth’s equator.

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If the ice sheet melts entirely, the sea levels will be more than 7 m higher and Greenland may become an archipelago.

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In February 2006, the researchers reported that ice in Greenland was melting at a rate twice as fast as one in five years before.

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In 2005, the annual amount of melting ice was estimated at 216 cubic kilometers/ year (52 cubic miles per year).

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Between 1991 and 2006, the check on weather showed that average temperature in winter had increased nearly 10 degrees.

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