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In mountaineering, the death zone refers to altitudes above which the pressure of oxygen is insufficient to sustain human life for an extended time span. This point is generally agreed as 8,000 m (26,000 ft), where atmospheric pressure is less than 356 millibars (10.5 inHg; 5.16 psi). [ 1 ]
Locations of the world's 14 eight-thousanders, which are split between the Himalayan (right), and the Karakoram mountain ranges (left). The eight-thousanders are the 14 mountains recognized by the International Mountaineering and Climbing Federation (UIAA) as being more than 8,000 metres (26,247 ft) in height above sea level, and sufficiently independent of neighbouring peaks.
The physiological-deficient zone extends from 3,600 m (12,000 ft) to about 15,000 m (50,000 ft). In this zone there is an increased risk of hypoxia, trapped-gas dysbarism (where gas trapped in the body expands), and evolved-gas dysbarism (where dissolved gases such as nitrogen may form in the tissues, i.e. decompression sickness). [3]
The world’s highest mountain continues to draw climbers willing to risk their lives as they clamber past frozen corpses on their way to the top. ... sits along the edge of the death zone at ...
The documentary is about Project Possible, a plan by Nepali high altitude climber Nirmal Purja to climb all of the world's 14 highest peaks with an altitude greater than 8,000 metres (26,247 ft) (called eight-thousanders) inside 7 months (i.e. from early spring to late summer, before the winter season begins).
Noting Sherpa and Non-Sherpa deaths. The upper reaches of the mountain are in the death zone, a mountaineering term for altitudes above a certain point – around 8,000 m (26,000 ft), or less than 356 millibars (5.16 psi) of atmospheric pressure – where the oxygen pressure level is not sufficient to sustain human life. [4]
They were one of the longest unsolved challenges in high-level mountaineering, but have now been successfully climbed. The rocks are located at around 7,800, 8,100 and 8,200 metres above sea level (height of base of pinnacle) and are therefore already in the death zone, in which people cannot usually recover, even at rest.
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