2021
DOI: 10.3390/ijerph18063040
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Comparison of Environmental Conditions on Summits of Mount Everest and K2 in Climbing and Midwinter Seasons

Abstract: (1) Background: Today’s elite alpinists target K2 and Everest in midwinter. This study aimed to asses and compare weather at the summits of both peaks in the climbing season (Everest, May; K2, July) and the midwinter season (January and February). (2) Methods: We assessed environmental conditions using the ERA5 dataset (1979–2019). Analyses examined barometric pressure (BP), temperature (Temp), wind speed (Wind), perceived altitude (Alt), maximal oxygen uptake (VO2max), vertical climbing speed (Speed), wind ch… Show more

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Cited by 7 publications
(29 citation statements)
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References 38 publications
(90 reference statements)
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“…This result suggests that in winter Karakoram's latitude 8 • further north has a greater effect on Temp than the 400 m altitude difference between 8K peaks. This result accords with the lower average midwinter Temp on K2's summit, the highest in the Karakoram range, than on the 237 m higher Everest further south (Szymczak et al, 2021).…”
Section: Thermal Stresssupporting
confidence: 83%
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“…This result suggests that in winter Karakoram's latitude 8 • further north has a greater effect on Temp than the 400 m altitude difference between 8K peaks. This result accords with the lower average midwinter Temp on K2's summit, the highest in the Karakoram range, than on the 237 m higher Everest further south (Szymczak et al, 2021).…”
Section: Thermal Stresssupporting
confidence: 83%
“…This study provides the first complete assessment of the environmental factors that climbers have experienced in the most extreme successful ascents of 8K peaks. It develops the findings of our previous report (Szymczak et al, 2021), where we analyzed the weather extremes on the summits of Everest and K2 in the climbing and the winter season using monthly means between 1979 and 2019. This analysis extends the current knowledge of combined weather extremes in the Death Zone and should help future expeditions prepare for the environmental extremes they will encounter on 8K summits.…”
Section: Limitations and Strengthssupporting
confidence: 70%
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