Lago Grey Icebergs

December 11, 2003


Provided and copyright by: Drew Patrick
Summary author: Drew Patrick

The photo above was taken from an island in Lago (Lake) Grey, Torres del Paine National Park, Patagonia, Chile. In the background, the Grey Glacier can be seen spilling into the lake. The relatively warm temperatures on this day resulted in several of these icebergs calving right in front of us - making an unmistakable sound. In general, the glaciers in southern Chile have been receding during the last two decades. The blue to green colors seen in many icebergs results from the myriad ice crystals more effectively absorbing the longer wavelengths of light (reds and yellows) than the shorter (blue and green) wavelengths.

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