Sunday, November 30, 2008

Icebergs

An iceberg is a large piece of ice that floats in water. It may have been broken away from a glaciers or ice-shelf. The word iceberg probably means ice-hill. The tallest iceberg ever measured was 168 mts high.


Floating Icebergs


Icebergs seen in the Arctic

Small icebergs are known as growlers, because of the noise they make.


Icebergs of Greenland


Icebergs on Baffin Bay, the arm of the North Atlantic Ocean


Icebergs in the North-Atlantic mostly comes glaciers on greenland, and those in the South-Atlantic from the Antarctic.


Penguins seen on icebergs


Icebergs seen on the Antarctica


One of the biggest icebergs known as B-15 broke away from the ross ice-shelf, Antarctica in March 2000. It had an average length of 295 km and width of 37 km giving it a total area about the size of Jamaica!




About 10,000 to 15,000 new icebergs are formed every year. The process of breaking away is called "Calving".


Seven eights of an iceberg is below the surface of the sea.


Icebergs float because, they are made of fresh water which is less dense than the sea water.


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