Unit 1 1
Part A Water resources of the world 1
Part B What causes flooding 6
Unit 2 11
Part A Reservoirs and dams 11
Part B Dams and development-an insight to the report of the world commission on dams 16
Unit 3 24
Part A Hydroelectric power 24
Part B Pumps and Pumping 31
Unit 4 37
Part A Underground water 37
Part B The runoff cycle 46
Unit 5 50
Part A Water pollution and pollutants 50
Part B U.S.Wastewater treatment—past and present 54
Unit 6 57
Part A Modern buildings and structural materials 57
Part B Bridges 61
Unit 7 64
Part A Soil erosion and soil conservation 64
Part B Soil Conservation Issues on the United States 68
Unit 8 76
Part A Engineering economy in water-resources planning(Ⅰ) 76
Part B Engineering economy in water-resources planning(Ⅱ) 81
Unit 9 87
Part A Hydrology 87
Part B Current problems of stochastic hydrology 91
Unit 10 100
Part A Summary of EIA 100
Part B Inadequacies in current methods for environmental assessment 103
Unit 11 107
Part A Irrigation methods 107
Part B RDI—the new technique of water saving irrigation management in China 114
Unit 12 120
Part A Evaporation 120
Part B Evaporation model of lake Qaroun as influenced by lake salinity 125
Unit 13 135
Part A 21st Century's water saving in agriculture of Beijing 135
Part B The research and application of plastic pipe in infiltration irrigation 140
Unit 14 145
Part A Methods of applications of drip irrigation system 145
Part B Drip irrigation technology and state western area development strategy 149
Unit 15 159
Part A Water use efficiency of grain crops on irrigated fields in China 159
Part B Cumulative function of water sensitivity index for rice and its variation with hydrological years 165
Unit 16 171
Part A Some topics on developing water-saving irrigation 171
Part B Optimal use of irrigation water in the Jordan valley:a case study 176
Unit 17 184
Part A Irrigation canals 184
Part B The SLGCAD software system on a new type of linked tetra-shaft&double-cantilever flat flap gate 188
Unit 18 197
Part A A preliminary investigation on irrigation schedule under sprinkler irrigation 197
Part B Study on expert system of irrigation forecast and decision making for water saving 202
参考译文 209
Key to exercises 245
参考文献 256