Amphibious Trilogies

Ice flows moves #2. Hull up, sail down.

Icebergs are likened to an inverted sailing ship. Hull up, sail down. Water is one of the few substances that are slightly more dense in liquid form, rather than solid. This is why ice cubes float. Borne from glaciers and frozen sea shelfs, icebergs are made from frozen fresh water. They are riddled with multitudes of tiny trapped air bubbles, which give them their white colour. Often times, natural light rays colour glaciers in shades of blue, purple, pink, orange and even golden. Generally speaking, grey patches on the surface of icebergs indicate the presence of people-made pollution. Similarly, when the temperature rises enough to melt the surface of icebergs, yellow patches may indicate the presence of bacteria. Hull up, sail down. The dissolved salts of ocean water are denser than fresh water, thus adding more buoyancy to icebergs. Hull up, sail down. Both winds and currents carry icebergs along with them. Sometimes, icebergs emit crickly crackly sounds. When a big piece of an iceberg plunges into the sea, the sound is colossal. Hull up, sail down. Boom boom.

Image credits: Created by Uwe Kils (iceberg) and User:Wiska Bodo (sky). / CC BY-SA

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