Survival, 177-95. See also Health and 



survival. 

 Svalbard. See Spitsbergen. 

 Sweden, arctic, geography, 73-76. See 



also Fenno-Scannian arctic. 



Taiga, 27 

 Temperature, 121-128 



antarctic, 204 



(tables), 223, 224 



central basin vs. interior, 125 



constancy, 124 



curve, types, 123 



interior vs. centi'al basin, 125 



inversions, 125 



mean monthly and annual (table), 

 136 



summer, noteworthy features, 128 



warmest month of year, 127 



water, 39 



North Pole, 122 



pack ice, 127 



permafrost, 23 



Verkhoyansk, 122 

 Territory, claims to, 145-52 

 Tides, 35-36 

 Topography, 22 



Canadian eastern arctic, 42-46 



Fenno-Scannian arctic, 74 



Greenland, 60-63 



Iceland, 66 



North American subarctic, 55-56 



Soviet arctic, 78 



Spitsbergen, 71 

 Training films (list), 199 

 Transportation 



Canadian eastern arctic, 50 



Fenno-Scannian arctic, 76 



Soviet arctic, 79 

 Treeline, 26, 28 

 Trench foot, 186 

 Tundra, vegetation of, 25 



Underclothing, 166 



United States, sovereignty, 147-48 



Vaigach, 84 

 Vegetation, 25 



Canadian eastern arctic, 48 



Greenland, 64 



Iceland, 68 



North American subarctic, 56 



Spitsbergen, 72 



Soviet arctic, 80 



Verkhoyansk, temperature at, 122 

 Visibility 



antarctic, 210 



arctic, 111-13 



Waste, disposal of, 180 

 Water 



layers of, 40 

 salinity, 39 

 sources, 192 

 temperature, 39 

 Water fogs, 115 

 Weather 

 antarctic 



forecasting, 212 

 thumb rules, 216 

 arctic, 91-140 

 controls, 91 

 forecasting aids, 130 



antarctic, 217 

 reporting stations (table), 219 

 tables, 135-40 

 White-out, 217 

 White Sea, freezing, 39 

 Wild buran, 125 

 Winds 



Alaska, 103 

 antarctic, 209-10 

 forecasting, 212 

 arctic, 131 

 circulation, 98-102 

 direction and velocity 

 arctic, 109 



antarctic (table), 220 

 summary, 110 



comparison of widely different, 



108 

 regional, 100-102 

 winter eastern Siberia, 101 

 systems, regional, 100-02 

 Wind velocity and direction. See 



winds, direction and velocity. 

 Windiest region in world, 202 

 Windproof jackets, 170 

 Winter 



air masses, 97-98 

 Siberian, 125 



winds. Point Barrow, 104, 105 

 Wrangel Island, 87 



Yenisei, Gulf of, freezing, 39 



<rU. S. GOVERNMENT PRINTING OFFICE : 1954 O - 294735 Vol. I 



