SUBJECT INDEX 



239 



Equatorial Water (cont.): 

 off California coast, 204 

 Equipotential surfaces, 100 

 Evaporation: 



annual variation (see also ^Evaporation, 

 seasonal), 68-70, 228-232 



illustrated, 69 

 average annual values, 67 

 computation from energy considera- 

 tions, 66, 228 

 computation from meteorological data, 



66, 227, 228 

 difference (E - P), 71-73 



illustrated, 71 



table, 72 

 diurnal variation, 69, 70 



illustrated, 69 

 from the Black Sea, 180 

 from the Mediterranean Sea, 179 

 importance to heat budget of the 



oceans, 7, 49 

 in different latitudes, 67 



illustrated, 68 



table, 72 

 latent heat of, 13, 63 

 localization of, 227, 228 

 observations at sea, 65 

 process of, 62-64 

 regional, 68, 228-233 



illustrated, 229-233 

 seasonal, 68, 228-233 



illustrated, 229-233 

 Extinction coefficients of radiation, 27-31 

 use for computing energy reaching 



different depths, 57 



Falkland Current, 185, 205 

 Florida Current, 164-166 



compared with Kuroshio, 198 



definition of, 164 



nk 



Fog: 



advection, 65 



steam, 64 

 Forell scale, 32 

 Freezing point, 8, 14, 15 

 Friction: 



Reynolds stresses, 18, 21 



shearing stresses (see also Wind, stress), 

 15, 18, 117 

 due to lateral mixing, 184, 210 

 Frictional forces, 93, 117 

 Frictional resistance, depth of, 124 



Geopotential, 98 

 anomaly, 101 



Geopotential (cant.): 



topography, 98, 106 

 Geostrophic wind, 98 

 Gulf of Mexico, currents, 181 



illustrated, 181 

 Gulf Stream, 92, 166-168 



definition of, 164 



energy given off from, 230 



illustrated, 172 



slope of sea surface across, 99 

 Gulf Stream system, 83, 163 



energy given off from, 230 



northern branches, 174 



H 



Heat, specific, 13 



of the air, 61 

 Heat budget: 



effect of freezing on, 60, 61 



of the atmosphere, 4, 5 



of the earth, 1, 49 



of the oceans, 7, 49, 50 

 Heat exchange, ocean-atmosphere, 5, 49, 

 50, 60 



off Norwegian west coast, 174 



process of, 61, 62 



regional and seasonal, 230-234 

 Humidity: 



gradient, 63 



relative, 59 



specific, 62 



I 



Ice (see Sea ice) 

 Icebergs: 



in the Antarctic, 217, 219, 220 



limit, illustrated, 218 

 in the Arctic, 220-222 

 prediction of drift, 37, 111, 222 

 Inertia, circle of, 93-95 



motion in, illustrated, 94 

 Intermediate Water, 155 

 Antarctic, 156 



formation, 84, 156, 209 

 in the Atlantic, 213, 214 



illustrated, 213 

 in the Indian Ocean, 188, 215 

 in the South Pacific, 215 



illustrated, 216 

 spreading to the north, 173, 186 

 illustrated, 173 

 Arctic, 84, 163 



spreading, illustrated, 173 

 North Atlantic, 156 



spreading, illustrated, 173 

 North Pacific, 156 

 formation, 199 



illustrated, 199, 216 



