Page 



Figure C-58. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Amundsen-Scott, Antarctica 95 



Figure C-59. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Balboa (Albrook), Panama C. Z 96 



Figure C-60. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Bangui, Central African Republic 97 



Figure C-61. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Bordeaux, France 98 



Figure C-62. (a) Cumulative probability distributions of dN/dh for ground-based 



100-m layer; Dakar, Republic of Senegal (February, May) 99 



Figure C-62. (b) Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Dakar, Republic of Senegal (August, November) 100 



Figure C-63. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Denver, Colo 101 



Figure C-64. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Ezeiza, Argentina 102 



Figure C-65. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Fort Smith, Northwest Territories, Canada 103 



Figure C-66. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Hilo, Hawaii 104 



Figure C-67. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Long Beach, Calif 105 



Figure C-68. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Lourenco Marques, Portuguese East Africa 106 



Figure C-69. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Nandi, Fiji Islands 107 



Figure C-70. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: New York, N. Y 108 



Figure C-71. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Nicosia, Cyprus 109 



Figure C-72. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Ostersund, Sweden 110 



Figure C-73. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Perth, Australia Ill 



Figure C-74. Cumulative probability distributions of dN/dh for ground-based 



100-m layer : Saigon, Viet Nam 112 



Figure C-75. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: San Juan, P. R 113 



Figure C-76. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Ship Station "C" 114 



Figure C-77. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Tashkent, U.S.S.R 115 



Figure C-78. Cumulative probability distributions of dN/dh for ground-based 



100-m layer: Vladivostok, U.S.S.R 116 



13. Appendix D. World Charts of Tropopause Heights 117 



Figure D-l. Tropopause heights (km), based on temperature lapse rate: February 117 



Figure D-2. Tropopause heights (km), based on temperature lapse rate: May 118 



Figure D-3. Tropopause heights (km), based on temperature lapse rate: August 118 



Figure D-4. Tropopause heights (km), based on temperature lapse rate: November 119 



14. Appendix E. Sample Listing of the Computer Output for San Juan, P. R., and 



Amundsen-Scott, Antarctica 120 



Table E-l. Mean TV-profiles: San Juan, P. R 121 



Table E-2. Mean TV-profiles : Amundsen-Scott, Antarctica 123 



Table E-3. Cumulative distributions of ground-based gradients: Amundsen-Scott, Antarctica. .. 125 

 Table E-4. Analysis of ground-based superrefractive and ducting layers: 



Amundsen-Scott, Antarctica 127 



Vlll 



