The Himalaya by the Numbers: A Statistical Analysis - Himalayan ...

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16 14 12 10 8 6 4 2 0 2.42 1.80 7000ers (171/ 8197) 4.74 2.10 2.12 0.89 JANU (6/280) 8.34 156 Appendix B 0.17 GYAC (2/90) 2.22 9.43 0.21 CHRW (2/79) 2.53 Deadliest 7000m Peaks for Members (1950-2006) (Adjusted Wald 95% Confidence Intervals) 3.60 1.81 PUMO (32/ 1254) 2.64 Chart D-5: Member death rates for selected 7000m peaks with 75+ members above base camp from 1950-2006 Members Above BC 6.98 6.78 1.11 NUPT (5/169) 2.98 1.30 ANNS (6/194) 3.09 Death Count Survival Count Death Rate 95% Confidence Interval Yates' Chi Square Lower Upper p-value All 7000ers 8197 171 8026 2.10 1.80 2.42 8.15 1.31 GANG (5/144) 3.45 Jannu 280 6 274 2.12 0.89 4.74 0.885 Gyachung Kang 90 2 88 2.22 0.17 8.34 0.780 Churen West 79 2 77 2.53 0.21 9.43 0.906 Pumori 1254 32 1222 2.64 1.81 3.60 0.252 Nuptse 169 5 164 2.98 1.11 6.98 0.596 Annapurna South 194 6 188 3.09 1.30 6.78 0.460 Gangapurna 144 5 139 3.45 1.31 8.15 0.379 Annapurna II 168 6 162 3.57 1.50 7.80 0.277 Annapurna III 218 8 210 3.67 1.78 7.23 0.156 Makalu II 266 10 256 3.76 1.99 6.90 0.085 Langtang Lirung 263 11 252 4.21 2.29 7.45 0.028 Api Main 88 4 84 4.49 1.48 11.57 0.212 Peak 29 87 4 83 4.60 1.49 11.69 0.208 Himalchuli East 189 10 179 5.29 2.81 9.62 0.004 Dhaulagiri IV 110 9 101 8.18 4.23 15.07
8 7 6 5 4 3 2 1 0 0.92 0.46 0.71 CHOY (32/4920) 1.84 0.48 LHOT (9/945) 0.91 1.93 1.37 1.64 EVER (129/7928) Deadliest 8000m Peaks for Members (1950-2006) (Adjusted Wald 95% Confidence Intervals) 2.62 1.13 1.73 MAKA (22/1273) Chart D-6: Member death rates for 8000m peaks with 150+ members above base camp from 1950-2006 Members Above BC 1.96 1.60 1.77 All 8000ers (360/20365) Death Count Survival Count Death Rate 95% Confidence Interval Yates' Chi Square Lower Upper p-value Cho Oyu 4920 32 4888 0.65 0.46 0.92
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The Himalaya by the Numbers A Stati
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Contents Introduction . . . . . . .
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the first north-south traverses. Th
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in the charts, 2 or 3-period moving
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400 300 200 100 0 2000 1800 1600 14
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2000 1800 1600 1400 1200 1000 800 6
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government starting in 1997 opened
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500 450 400 350 300 250 200 150 100
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them. In fact during the late 1980s
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During the 1960s and early 1970s, e
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250 200 150 100 50 0 250 200 150 10
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100 75 50 25 0 1970 1971 1972 1973
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a few brave and hardy souls are wil
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900 800 700 600 500 400 300 200 100
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Charts C-7a-c show the seasonal pat
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1000 800 600 400 200 100 80 60 40 2
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closeness of the Himalaya. Many Jap
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For all peaks, the average team mem
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Periodically, massive storms fueled
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40 Analysis of Climbing Activity
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three most popular peaks, Ama Dabla
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60 50 40 30 20 10 0 11.7 ANN1 (121/
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40 35 30 25 20 15 10 5 0 7.7 11.7 T
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70 60 50 40 30 20 10 0 40 35 30 25
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The results indicate that the sprin
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70 60 50 40 30 20 10 0 30 25 20 15
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70 60 50 40 30 20 10 0 70 60 50 40
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40 35 30 25 20 15 10 5 0 80 70 60 5
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100 60 50 40 30 20 10 90 80 70 60 5
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Ascents by Citizenship Table A-24 s
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Ascents by Gender Table and Chart A
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60 50 40 30 20 10 0 Chart A-27: Asc
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had a hard time making her own plat
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60 55 50 45 40 35 30 25 20 15 10 5
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900 800 700 600 500 400 300 200 100
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60 50 40 30 20 10 0 80 70 60 50 40
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70 60 50 40 30 20 10 0 60 50 40 30
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Peak ID Peak Name Height Region 76
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Members have higher percentage of a
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considerable effort through deep sn
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3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2.5
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3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0 The
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Deadliest Peaks for Members The nex
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when five Austrians and their Sherp
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10 9 8 7 6 5 4 3 2 1 0 4.5 4.0 3.5
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days in 1975 (the first verified as
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Whether significant or not, the dea
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and higher spring death rates on Ma
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of an autumn 1992 Makalu II expedit
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a climb. For hired, falls were the
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Summit and the Hillary Step (9 of 2
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summer season as very few climbers
Page 108 and 109: 2.5 2.0 1.5 1.0 0.5 0.0 106 Death A
Page 110 and 111: 100 20 18 16 14 12 10 90 80 70 60 5
Page 112 and 113: Deaths by Falling While avalanching
Page 114 and 115: 10 9 8 7 6 5 4 3 2 1 0 16 14 12 10
Page 116 and 117: Time of Day All Peaks 6000ers All F
Page 118 and 119: Deaths by Physiological Causes Phys
Page 120 and 121: Deaths by Age Groups Table and Char
Page 122 and 123: Deaths by Expedition Years Chart D-
Page 124 and 125: All Peaks Everest Citizenship Above
Page 126 and 127: 2.5 2.0 1.5 1.0 0.5 0.0 10.0 9.0 8.
Page 128 and 129: Table and Chart D-42 below show mem
Page 130 and 131: Table and Chart D-44 below show mem
Page 132 and 133: Everest, Spring 1996 A total of eig
Page 134 and 135: On the evening of 6th it started to
Page 136 and 137: camp at 7500m but there was nothing
Page 138 and 139: Peak ID Peak Name 136 Appendix A Al
Page 148 and 149: 146 Appendix A
Page 150 and 151: In Chart D-4, the sample sizes are
Page 152 and 153: 90 80 70 60 50 40 30 20 10 0 32.2 2
Page 154 and 155: 45 40 35 30 25 20 15 10 5 0 11.9 4.
Page 156 and 157: 6 5 4 3 2 1 0 1.16 0.43 0.13 BARU (
Page 160 and 161: 30 25 20 15 10 5 0 1.29 0.09 0.41 1
Page 162 and 163: 8 7 6 5 4 3 2 1 0 3.04 0.0 LSHR (0/
Page 164: 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0
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