Walls 640 Warning systems 295 Waste disposal 1,618 Waste disposal sites 66 Waste management 239 Wastes 154 Waste treatment 549 Waste water 162 Water 1,865 Water balance 1,348 Water cement ratio 75 Water chemistry 1,648 Water content 1,593 WATER CONTENT 102 Water erosion 538 Water films 248 Water flow 755 Water - Freezing 63 Water intakes 212 Water level 657 Water management 442 Water masses 146 Water pipelines 227 Water pipes 146 Water pollution 1,887 Water pressure 386 Waterproofing 261 Water quality 584 Water regimes 163 Water reserves 584 Water resources 756 Water retention 68 Water-rock interaction 91 Watersheds 1,639 Water storage 381 Water structure 344 Water supply 1,699 WATER SUPPLY 109 Water table 456 Water temperature 2,416 WATER TEMPERATURE 162 Water transport 672 Water treatment 756 Water vapor 928 Water waves 316 Waterways 189 Water wells 121 Wave dispersion 65 Wavelength 95 Wavelets 65 Wave propagation 1,185 Waves 265 Weather 102 Weather forecasting 1,608 Weathering 1,389 Weather modification 241 WEATHER MODIFICATION 74 Weather observations 3,230 Weatherproofing 94 Weather stations 634 Weichselian 1,285 Welding 270 Well casings 139 Well logging 382 Well-logging 318 Well logs 77 Wells 272 West-Central Alaska 107 West Pacific Ocean Islands--Macquarie Island 124 Wetlands 945 Wet snow 353 Wettability 102 Whaling 418 Whaling industry 256 White phosphorus 74 Whole rock 84 Wind 1,180 Wind direction 435 Wind energy 77 Wind erosion 316 Wind factors 2,000 WIND FACTORS 154 Wind--Katabatic 373 Wind (meteorology) 1,304 Windows 144 Wind power generation 78 Wind pressure 290 Winds 2,478 Wind transport 668 Wind tunnels 554 Wind velocity 1,325 Winter 1,081 Winter concreting 944 Winter maintenance 1,537 WINTER MAINTENANCE 66 Wisconsinan 540 Wood 233 Wooden structures 74 World ocean 530 Wurm 112