Icebergs can be beautiful and majestic — but have you ever wondered what gives them their colour? Most of us think of icebergs as white, but they actually come in a range of shades between bright blue and dark green. Some are even striped. While a small amount of light reflects from the surface of an iceberg, most of it enters the iceberg and interacts with snow particles and bubbles of air trapped in the glacier ice.
Skiing on icebergs in Antarctica – in pictures
Stunning Dark Images Reveal Movement of Trillion-Ton Antarctic Iceberg | Live Science
Snopes needs your help! Learn more. Although the version of these photographs originally circulated via e-mail back in March correctly identified their origins, variants from early , , and presented the icebergs pictured above as a phenomenon encountered in Lake Michigan, thereby erroneously placing them many thousands of miles away and in the wrong hemisphere from their true source. These later variants also incorporated photographs of ice formations claimed to have originated in Lake Huron, likewise mistakenly placing the pictures half a world away from their actual source. These striking pictures of icebergs with multi-colored stripes or banding were taken by a Norwegian sailor named Oyvind Tangen while he was aboard a research ship about 1, miles south of Cape Town, South Africa:. The water froze the instant the wave broke through the ice. Water freezes the instant it comes in contact with the air….
Stunning Dark Images Reveal Movement of Trillion-Ton Antarctic Iceberg
Icebergs are formed when large blocks of ice breaks off from glaciers ice shelf and is floating in open water. Because glaciers are built up from snow falling on the Antarctic continent over millennia, this ice consists of pure fresh water. This floating chunk of freshwater ice then interacts with seawater beneath them it. As seawater is drawn deep under the ice shelves by the oceanic currents, it becomes supercooled and freezes to the base of the ice shelf.
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