Photographer's Note

an iceberg is a large piece of freshwater ice that has broken off from a snow-formed glacier or ice shelf and is floating in open water.

since density of pure water is ca. 920kg/m3, and that of sea water ca. 1025kg/m3, typically, only one ninth of the volume of an iceberg is above water. the shape of the remainder under the water can be difficult to surmise from looking at what is visible above the surface. this has led to the expression "tip of the iceberg", generally applied to a problem or difficulty, meaning that the visible trouble is only a small manifestation of a larger problem.

the word iceberg is a partial loan translation from dutch ijsberg, literally meaning mountain of ice, cognate to danish, isbjerg, swedish isberg, low saxon iesbarg and german eisberg.

icebergs generally range from 1 to 75 meters (about 3 to 250 feet) above sea level and weigh 100,000 to 200,000 metric tonnes (about 110,000 to 220,000 short tons). the tallest known iceberg in the north atlantic was 168 meters (about 551 feet) above sea level, making it the height of a 55-storey building.

info source : wikipedia

salvator, stego, rigoletto, Hellas, belido oznaczył to zdjęcie jeko użyteczne

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Additional Photos by Benedict Ong (Benedict) Gold Star Critiquer/Gold Note Writer [C: 1475 W: 0 N: 1563] (7076)
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