TY - SER TI - Journal of Hydraulic Engineering.. Vol. 116 No. 6 (1990) PY - 0000///[date of publication not identified] CY - New York : American Society of Civil Engineers. N1 - It contains of Papers, Technical Note and Discussions on June 1990 in Vol. 116 No. 6; TECHNICAL PAPERS : Effect of Drought on Urban Water Supplies. I: Drought Analysis / David M. Frick, Dennis Bode, and Jose D. Salas. Effect of Drought on Urban Water Supplies. II: Water-Supply Analysis / David M. Frick, Dennis Bode, and Jose D. Salas. Air Entrainment by Spillway Aerators / Peter Rutschmann and Willi H. Hager. Laterally Averaged Hydrodynamics Model for Reservoir Predictions / S. R. Karpik and G. D. Raithby. Bed Form Resistances in Open Channel Flows / Hsieh Wen Shen, Henry M. Fehlman, and Cesar Mendoza. Three-Dimensional Scale Model of Ground-Water Solute Transport / S. S. Crider, B. L. Sill, and D. E. Gordon. Measurements of Gas Concentration Fluctuations at Water Surface / Gerhard H. Jirka and Alex H.-W. Ho. DISCUSSIONS : Kamafuli Project, Model Studies of Spillway Damage. C. Edward Bowers and Joel Toso / V. Fiorotto and A. Rinaldo. By C. D. Smith. Closure by authors. Rationalized Energy-Loss Parameters for Channels. Arthur C. E. Knight / Jacques J. Bruschin. Closure by author ER -