TY - SER TI - Journal of Hydraulic Engineering.. Vol. 117 No. 2 (1991) PY - 0000///[date of publication not identified] CY - New York : American Society of Civil Engineers. N1 - It contains of Papers, Technical Notes and Discussions on February 1991 in Vol. 117 No. 2; TECHNICAL PAPERS : Selective Sorting and Abrasion of River Gravel. I: Theory / Gary Parker. Selective Sorting and Abrasion of River Gravel. II: Applications / Gary Parker. Vortex-Settling Basin Design Considerations / T. C. Paul, S. K. Sayal, V. S. Sakhuja, and G. S. Dhillon. Suspended Sediment-Transport Capacity for Open Channel Flow / Ismial Celik and Wolfgang Rodi. Drownproofing of Low Overflow Structures / Hans. J. Leutheusser and Warren M. Birk. Dam Safety Inspection Scheduling / Wilson H. Tang and Ben Chie Yen. Flow in Damaged Pipe Networks / Gustavo Ayala and James A. Liggett. TECHNICAL NOTES : First-Order Analysis of Open-Channel Flow / M. A. Cesare. Cubic-Spline Interpolation in Lagrangian Advection Computation / G. A. Schohl and F. M. Holly Jr. DISCUSSIONS : Effects of Air Entrainment on Plunge Pool Scour. Peter John Mason / Ali Uyumaz, Fred W. Blaisdell. Closure by author ER -