Iceberg

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  • iceberg
definition
  • A large mass of detached land ice floating in the sea or stranded in shallow water.
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  • http://eurovoc.europa.eu/1169
Abstract from DBPedia
    An iceberg is a piece of freshwater ice more than 15 m long that has broken off a glacier or an ice shelf and is floating freely in open (salt) water. Smaller chunks of floating glacially-derived ice are called "growlers" or "bergy bits". Both are generally spawned from disintegrating icebergs. Iceberg size classes, as established by the International Ice Patrol, are summarized in Table 1. The 1912 loss of the RMS Titanic led to the formation of the International Ice Patrol in 1914. Much of an iceberg is below the surface, which led to the expression "tip of the iceberg" to illustrate a small part of a larger unseen issue. Icebergs are considered a serious maritime hazard. Icebergs vary considerably in size and shape. Icebergs that calve from glaciers in Greenland, are often irregularly shaped while Antarctic ice shelves often produce large tabular (table top) icebergs. The largest iceberg currently floating in the ocean, named A-76, calved from the Ronne Ice Shelf into the Weddell Sea in Antarctica measuring 4320 km2. The largest iceberg in recent history, named B-15, measured nearly 300 km x 40 km. The B-15 iceberg calved from the Ross Ice Shelf in January 2000. The largest iceberg on record was an Antarctic tabular iceberg of over 31,000 square kilometres (12,000 sq mi) [335 by 97 kilometres (208 by 60 mi)] sighted 240 kilometres (150 mi) west of Scott Island, in the South Pacific Ocean, by the USS Glacier on November 12, 1956. This iceberg was larger than Belgium. Big icebergs are also often compared in size to the area of Manhattan.

    氷山(ひょうざん、英語: iceberg)とは氷河または棚氷から海に流れ出した大きな氷の塊である。

    (Source: http://dbpedia.org/resource/Iceberg)

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