Journal of The Hydraulics Division. Vol. 106 No. 9 (1980).

It contains of Papers, Technical Note and Discussions on September 1980 in Vol. 106 No. 9.

Optimal Design of Water Conveyance Systems / Quentin W. Martin. Scour Velocities in Ephemeral Channels / William C. Hughes. Geometry of Gravel Streams / Howard H. Chang. Converging Flow Model Applied to Urban Catchment / Franklin W. Ellis, Fred V. Ramsey, and George M. Hornberger. Empirical Investigation of Curve Number Technique / Allen T. Hjelmfelt, Jr. Minimum Stream Power: Theory / Charles C. S. Song and Chih Ted Yang. Optimal Design of Gravity Flow Water Conduits / Roberto Canales-Ruiz. Wind-Driven Flow in Mississippi River Impoundment / Heinz Stefan and Keith J. Anderson. DISCUSSION : Proc. Paper 15663 - Risk of Catastrophic Failure of Major Dams / Don Rose (Sept., 1978. Prior Discussions: Apr., June, Oct., 1979). Closure. Design Charts for Air Chamber on Pump Pipe Lines by Alan T. K. Fok (Sept., 1978. Prior Discussions: Oct., 1979) / Eugen Ruus. Air Entrainment in Radial Flow Towards Intakes / Akalank K. Jain, Kittur G. Ranga Raju, and Ramachandra J. Garde (Sept., 1978. Prior Discussions: Apr., May, Oct., 1979). Closure. Vortex Formation at Vertical Pipe Intakes / Akalank K. Jain, Kittur G. Ranga Raju, and Ramachandra J. Garde (Oct., 1978. Prior Discussions: Oct., 1979, Jan., 1980). Closure. Flow Resistance of Large-Scale Roughness / James C. Bathurst (Dec., 1978. Prior Discussion: Nov., 1979). Closure. Interstorm Relations in Pacific Northwest / Ralph H. Frederick (Dec., 1978. Prior Discussions: Nov., 1979, Jan., 1980). Closure. Estimating Design Flows for Urban Drainage / Samuel O. Russell, Bruce F. I. Kenning, and Greg J. Sunnel (Jan., 1979. Prior Discussion: Feb., 1980). Closure. Effective Depth in Channels Having Bed Undulations / Chittoor R. S. Pfllai (Jan., 1979. Prior Discussions: Nov., Dec., 1979, Jan., 1980). Closure. Modeling Alluvial Channel Bed Transients / Victor Miguel Ponce, Jesus Lopez Garcia, and Daryl B. Simons (Mar., 1978. Prior Discussions: Jan., 1980). Closure. Upsurge and Speed-Rise Charts Due to Pump Shutdown by Benjamin Donsky, Roxanne M. Byme, and Paul E. Bartlett (June, 1979. Prior Discussion: Feb., 1980). Closure. Drifting Snow Similitude / James D. Iversen (June, 1979. Prior Discussion: Feb., 1980). Closure. Theory of Minimum Rate of Energy Dissipation by Chih Ted Yang and Charles C. S. Song (July, 1979. Prior Discussions: Feb., July, 1980) / Cheng-lung Chen. Channel Flow Computations Using Characteristics / Kathirithamby Sivaloganathan (July, 1979. Prior Discussions: Feb., Mar., 1980). Closure. Interfacial Stability in Channel Flow by Richard H. French (Aug., 1979) / Peder Jensen. Unconditional Stability in Convection Computations by Victor Miguel Ponce, Yung Hai Chen, and Daryl B. Sitnons (Sept., 1979. Prior Discussion: June, 1980) / Vellore M. A runachalam and Harihara Raman. Estimating Average Velocity in Gravel-Bed Rivers,' by Dale 1. Bray (Sept., 1979) / Fred W. Blaisdell. Flood Flow Frequency by SCS-TR-20 Computer Program by Vaiyapuri Danushkodi (Sept., 1979. Prior Discussions: June, July, 1980) / Victor Miguel Ponce. Open Channel Flow with Varying Bed Roughness by Donald W. Knight and J. Alasdair Macdonald (Sept., 1979) / Peter R. Wormleaton, John Allen, and Panos Hadjipanos. Downstream Effects of Stormwater Management Basins by Richard H. McCuen (Nov., 1979) / Kudallur Nambudripad. Optimization of Unit Hydrograph Determination by Larry W. Mays and Lynn Coles (Jan., 1980) / David T. Ford.