INDEX 



Generators, Ground-based 



for cloud seeding, 170, 175, 176 



for fog-seeding, 180, 183 

 Genetic drift, 374, 383 

 Genetics 



gene pool, 278 



high altitude populations, 383 



pest control, 352, 354, 367 



plant breeding in tropics, 297, 300 

 Geological Survey, U.S., 29, 45, 46, 197 

 Geomagnetic tail, 7, 8, 10 

 Geomorphic changes by hurricanes, 



133-136 

 Geophysical Fluid Dynamics Laboratory, 



(NOAA), 66, 68, 82, 87 

 Georgia, 147 

 Geosphere, 301 

 Geosynchronous satellites 



see Satellites, Geostationary 

 Geothermal heat, 33 

 German Atlantic Expedition, 187, 189 

 Germany 



agriculture, 215, 241 



climatic change, 57 



severe storms, 154 



urbanization, 119 

 Glaciation 



atmospheric monitoring, 358, Fig. X-15, 

 360 



boundaries, 52 



causes, 52, 53, 54, 55 



control of, 55 



cycles, 62 



ocean surface temperatures and, 53 



volcanic activity and, 45 

 Global Atmospheric Research Program 

 (GARP) 



data collection networks, 59, 88, 91, 95, 

 96, 97, 100, 101, 107, 126, 167, 190 



monsoon forecasting, 184, 189 

 Global Network for Environmental 



Monitoring (GNEM) 235, 344 

 Global techtonics, 21-33 



earthquakes and, 26, Fig. II— 3, 

 28, 35, 36 

 "Globigerina ooze," 53 

 Clomar Challenger, D.V. (ship), 53, 55 

 Glover, Kenneth M., 106 

 Glowing avalanches: damage by, 42 

 GNEM, see Global Network for 

 Environmental Monitoring 

 Goiter, 378-379 

 Gold deposits, 32 

 Golden Gate Park, Cal., 117 

 Goldfish in Great Lakes, 263 

 Goldman, Charles R., 272 

 Goldsmith, John R., 390 

 Goose Creek, Tex., 203 

 Grand River, Mich., 270 

 Grand Traverse Bay, Mich., 269 

 Grape growing, 352 

 Graphite, 22 

 Grassland Biome Project, Colorado 



(IBP), 344 

 Grassland ecosystem 



fire ecology, 306, 307 



model, Fig. IX-2 



blue gramagrass, Fig. IX-4 



temperate regions, 298 



tropical regions, 296 

 Graupel, 150, Fig. VI-6 

 Grazing practices 



effects of fire, 306 



energy balance of a field, Fig. IX-7 



environmental management, 283, 296 



overgrazing 



forest lands, 210, 214 

 tundra, 313 

 Great Lakes 



circulation patterns, 82, 254-256 



marine ecosystems, 225-228, 229, 230 



pollution, 257, 259, 261-270, 272 

 Great Lakes Basin Commission, 268, 269 

 Great Lakes Deer Group, 303 

 Great Lakes Fishery Commission 

 (U.S. -Canada compact), 2o6 

 Great Lakes Fishery Laboratory, 



U.S. Dept. of Interior, 266, 267 

 Great Plains, U.S. 



cereal-rust epidemiology, 339 



drought studies, 219 



hail storms, 149, 154 



tornado models, 147 

 Greece, 35 

 Green Bay, Wise: lake pollution, 257, 



263, 269 

 Greenhouse effect 



CO.- and, 82, 358 



radiation balance of the earth, 70, 71 

 Greenland 



climatic change, 52, 53, 54, 55, 57 



data measurement, 360 



ice cap, 330 

 Gregg, Ian, 386 

 Gregory, K. F., 344 

 GROSSVERSUCH III, Canton Ticino, 



Switz., 152, 153 

 Groundwater levels, as part of water 



supply, 197, 204 

 Grouse, Ruffed: survival, 302, 303 

 Guiana, S. A., 33 

 Gulf Coast 



ocean systems, 81 



severe storms, 133-135 

 Gulf of California, 33 

 Gulf of Mexico, 133, 135, 136, 147, 253 

 Gulf Stream, 78,79 

 Gunn, R„ 139 



H 



Habitat research, 303, 306, 310 

 Hailstorms 

 hailstones 



formation and growth, Fig. V-ll, 151 

 modeling, 154 

 hailstreak, 152 

 modeling, 149, Fig. VI-6 



cloud modeling, 154 

 predictions, 94 

 suppression and control, 147 

 experiments, 151-154 

 HAILSWATH, Project, 153 

 Harbors 



pollution in, 223 

 debris in, 34 

 engineering models, 81 



Hardwoods 



and pine forests, 308, 309, 310 



summer fires, 311 



tropics, 296 

 Hardy, Kenneth R., 106, 109 

 Harrar, J. George, 339 

 Hawaii 



earth processes, 27, 28 



urbanization, 40, 41, 44 



volcano technology, 35, 43, 45, 46 



weather forecasting, 185 

 Hawaiian Volcano Observatory, 43, 45, 46 

 Hay fever, see Allergens, Airborne 

 Hazards 



air pollution, 385, 386, 387 



drought, 218 



ocean pollution 



food sources, 244, 245 



pest controls, 351, 354, 355 



to aviation, 108, 180 



toxic wastes in near shore regions, 233 



water quality in forest areas, 207, 209 



see also Radiation hazards 

 Haze, 67, 68 



air pollution, 192, Fig. X-6 



assessed, 330-331 



urban-induced, 117 

 Hazel, 311 

 Headfires, 310 

 Health 



effects of air quality on, 334, 337, 338, 349 

 biological contaminants, 33" 

 see also Allergens, Airborne 



effects of smog and CO, 385-390 



high altitude living, 379-385 



see also Diseases; Hazards 

 Heart diseases, 379, 380, 382, 384, 385 



carbon monoxide and, Fig. XI-7, 390 

 Heat 



antarctic waters, 84 



distribution in the atmosphere, 105 



lightning, 157 



relation to food intake, Fig. IX-8 



storm forecasting, 138 



see also Pollution, Thermal; Thermal 

 bar; Thermal engine; Thermal plume 

 in lake water 

 Heat balance, see Solar radiation 

 Heat effects, 324 



fog modification, 181, 182 



tundra ecosystems, Fig. IX-16 



urban areas, 113, 116, Fig. IV-12 

 Heat transfer 



from earth's interior, 22 



global circulation, 91 



hurricanes, 125, 126, 128, 129, 131 



ocean-air system, 78 

 Heathcote, John G„ 219 

 Hekla (volcano), Iceland, 41 

 Helicopters, 181 

 Helium, 10, 11, 51 

 Helmholtz, H. v., 109 

 Hemispheric interchange 



atmospheric circulation, 188 

 Herbicides 



forest areas, 205, 207 



lake contamination, 272 



2,4,5-T hazard, 351 



408 



