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词汇 Altitude diving
分类 英语词汇 英语翻译词典
释义

Altitude diving

英语百科

Altitude diving

SCUBA Diver in the mountain lake Lai da Marmorera (1,680 meters above sea level)
Lago Licancabur, site of world's highest ever altitude dive.

Altitude diving is underwater diving using scuba or surface supplied diving equipment where the surface is 300 meters (1,000 feet) or more above sea level (for example, a mountain lake). The U.S. Navy tables recommend that no alteration be made for dives at altitudes lower than 91 meters (300 feet) and dives between 91 meters and 300 meters correction is required for dives over 44 meters sea water (145 feet sea water). Altitude diving is significant in recreational diving because the depths and durations used for dives at altitude are different from those used for the same dive profile at sea level.

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