Unit 1 1
Part A Water resources of the world 1
Part B What causes flooding 9
Unit 2 18
Part A Reservoirs and dams 18
Part B Dams and development-an insight to the report of the world commission on dams 25
Unit 3 39
Part A Hydroelectric power 39
Part B Pumps and Pumping 50
Unit 4 59
Part A Water pollution and pollutants 79
Part B U.S. Wastewater treatment-past and present 86
Unit 6 91
Part A Modem buildings and structural materials 91
Part B Bridges 97
Unit 7 103
Part A Soil erosion and soil conservation 103
Part B Soil Conservation Issues on the United States 109
Unit 8 122
Part A Engineering economy in water-resources planning (I) 122
Part B Engineering economy in water-resources planning (II) 130
Unit 9 139
Part A Hydrology 139
Part B Current problems of stochastic hydrology 146
Part A Summary of EIA 161
Unit 10 161
Part B Inadequacies in current methods for environmental assessment 166
Unit 11 172
Part A Irrigation methods 172
Part B RDO-the new technique of water saving irrigation management in China 183
Unit 13 216
Part A 21st Century's water saving in agriculture of Beijing 216
Part B The research and application of plastic pipe in infiltration irrigation 224
Unit 14 232
Part A Methods of applications of drip irrigation system 232
Part B Drip irrigation technology and state western area development strategy 238
Part A Water use efficiency of grain crops on irrigated fields in China 255
Unit 15 255
Part B Cumulative function of water sensitivity index for rice and its variation with hydrological years. 264
Unit 273
Part A Some topics on developing water-saving irrigation 273
Part B Optimal use of irrigation water in the Jordan valley: a case study 281
Unit 17 294
Part A Irrigation canals 294
Part B The SLGCAD software system on a new type of linked tetra-shaft double-cantilever flat gate 301
Unit 18 314
Part A A preliminary investigation on irrigation schedule under sprinkler irrigation 314
Part B Study on expert system of irrigation forecast and decision making for water saving 321
参考译文 332
Key to exercises 388
参考文献 401