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Atomizer Geyser : ウィキペディア英語版 | Atomizer Geyser
Atomizer Geyser is a cone geyser in the Upper Geyser Basin (Old Faithful area) of Yellowstone National Park in the United States. Atomizer Geyser is part of the Old Road Group which includes Artemisia Geyser, a short distance down the Firehole River from Old Faithful and other major Upper Basin geysers. The geyser is named for a fine mist resembling the spray from an atomizer that is ejected during major eruptions. == Geology == Atomizer has two 3 foot (1 m) tall cones. One of the cones is the jetting cone from which all water jets come. The other cone sprays a fine mist during major eruptions, giving the geyser its name. The geyser erupts in series. The series consists of three to five minor eruptions and one major eruption. Minor eruptions last about one minute and reach to . Major eruptions last 8 to 10 minutes and reach . Major eruptions have a steam phase following the water phase.〔(【引用サイトリンク】work=Geysers of Yellowstone )〕 Atomizer overflows its pool every few minutes for two to four hours until the first minor eruption occurs. Six to eight minor eruptions occur about one hour apart. Between 15 minutes and 1½ hours after the last minor eruption, the major eruption will begin. After a major eruption, the water pool takes about six hours to refill.〔
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「Atomizer Geyser」の詳細全文を読む
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