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Bolam Glacier : ウィキペディア英語版 | Bolam Glacier
The Bolam Glacier is a glacier situated on the northern flank of Mount Shasta, in the U.S. state of California.〔(【引用サイトリンク】 publisher=College of the Siskiyous )〕 It is the second longest glacier in California behind the nearby Whitney Glacier, and the fourth largest and most voluminous after the neighboring Hotlum Glacier, Whitney Glacier, and Wintun Glacier. The Bolam Glacier flows from a cirque on the north side of Mount Shasta's main summit, with the moving ice starting below a large bergschrund which spans the glacier at .〔Google Earth elevation for GNIS coordinates〕 Above that, permanent snow and ice extends towards the summit to about .〔 The glacier flows north down a steep slope and terminates near .〔 In 2002, scientists made the first detailed survey of Mount Shasta's glaciers in 50 years. They found that seven of the glaciers have grown over the period 1951–2002, with the Hotlum and Wintun nearly doubling, the Bolam increasing by half, and the Whitney and Konwakiton Glaciers growing by a third. ==See also==
*List of glaciers in the United States
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「Bolam Glacier」の詳細全文を読む
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