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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pine Island Glacier ： ウィキペディア英語版 Pine Island Glacier Pine Island Glacier (PIG) is a large ice stream glacier, and the fastest melting glacier in Antarctica, responsible for about 25% of Antarctica's ice loss.〔(【引用サイトリンク】title=History Repeating Itself at Antarctica's Fastest-Melting Glacier )〕 The glacier ice streams flow west-northwest along the south side of the Hudson Mountains into Pine Island Bay, Amundsen Sea, Antarctica. It was mapped by the United States Geological Survey (USGS) from surveys and United States Navy (USN) air photos, 1960–66, and named by the Advisory Committee on Antarctic Names (US-ACAN) in association with Pine Island Bay.〔〔 The area drained by Pine Island Glacier comprises about 10 percent of the West Antarctic Ice Sheet.〔 Satellite measurements have shown that the Pine Island Glacier Basin has a greater net contribution of ice to the sea than any other ice drainage basin in the world and this has increased due to recent acceleration of the ice stream.〔〔 The ice stream is extremely remote, with the nearest continually occupied research station at Rothera, nearly away.〔 The area is not claimed by any nations and the Antarctic Treaty prohibits any new claims while it is in force.〔 == Ice sheet drainage == The Antarctic ice sheet is the largest mass of ice on earth, containing a volume of water equivalent to of global sea level.〔 The ice sheet forms from snow which falls onto the continent and compacts under its own weight. The ice then moves under its own weight toward the edges of the continent. Most of this transport to the sea is by ice streams (faster moving channels of ice surrounded by slower moving ''ice walls'') and outlet glaciers.〔 The Antarctic ice sheet consists of the large, relatively stable, East Antarctic Ice Sheet and a smaller, less stable, West Antarctic Ice Sheet. The West Antarctic Ice Sheet is drained into the sea by several large ice streams, most of which flow into either the Ross Ice Shelf, or the Filchner-Ronne Ice Shelf. Pine Island and Thwaites Glaciers are two major West Antarctic ice streams which do not flow into a large ice shelf. They are part of an area called the Amundsen Sea Embayment. A total area of , 10 percent of the West Antarctic Ice Sheet, drains out to the sea via Pine Island Glacier, this area is known as the Pine Island Glacier drainage basin.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pine Island Glacier」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.