WATER RESOURCESENGINEERING 98

Volume 2

PROCEEDINGS OF THE INTERNATIONALWATER RESOURCES ENGINEERING CONFERENCE

SPONSORED BY THEWater Resources Engineering

Division of the American Society of Civil Engineers

CO-SPONSORED BY THEU.S. Geological Survey

U.S. Environmental Protection Agency, Wetlands Division

HOSTED BY THEWest Tennessee Branch, ASCE

Ground Water Institute, University of Memphis

IN COOPERATION WITH THEAlabama Water Environment Association

American Fisheries SocietyAmerican Society of Agricultural Engineers

Arkansas Water Resources CenterCalifornia Department of Water Resources

City of Memphis, TennesseeInternational Association for Hydraulic Research

International Association of Hydrological SciencesInternational Water Resources Association

Society of American Military EngineersU.S. Army Corps of Engineers

August 3-7, 1998Memphis, Tennessee

EDITED BYSteven R. Abt, Jayne Young-Pezeshk and Chester C. Watson

Societyof Civil Engin—r*

1801 ALEXANDER BELL DRIVERESTON, VIRGINIA 20191-4400

UB/TIB Hannover 89118 043 935

VOLUME 2

SESSION C-llApplication of Artificial Neural Networks in Hydrology II

Sponsored by Committee on Surface Water HydrologyModerators: Rao S. Govindaraju and A.R. Rao, Purdue University

Streamflow Forecasting Using Artificial Neural Networks 967Kuo-lin Hsu, Hoshin V. Gupta, and Soroosh Sorooshian, University ofArizona

Use of Neural Networks as a Tool To Assess Pesticide Contamination Potentialof Rural Domestic Wells 973

Chittaranjan Ray, University of Hawaii at Manoa, and Kristopher K.Klindword, Carle Hospital

SESSION C-l2Drainage Design in Water Resources Engineering - II

Sponsored by Task Committee on Conflicts in Drainage Design and Water ResourcesEngineering Construction

Moderator: William R. Johnston, Consultant

Planning for Urbanization: How Far In the Future 979W. F. Ritter, University of Delaware, B. L. Dworsky, G. J. Kauffman, andD. Mills, Water Resources Agency for New Castle County, Delaware

Construction of Drains in Liquefying Saturated Soils 985L. S. Willardson, Utah State University, and W. F. Vlotman, InternationalInstitute for Land Reclamation and Improvement - Netherlands

Drainage Conflicts in Urban Areas 991Robert Giurato, Alfred Benesch & Company

Agricultural Drainage Engineering Practice 997Glen D. Sanders and Lowell Ploss, U.S. Bureau of Reclamation

The Water-Saving Role of Straw Mulching Farmland in Semi-Aridand Arid Areas 1 0 0 2

Zhiyong Dong, Nanjing Hydraulic Research Institute

SESSION C-13Reservoir Inflow/Outflow Management

Moderator: Rolin H. Hotchkiss, University of Nebraska - Lincoln

Using an Exact Solution To Improve the Peak Outflow of NWS SimplifiedDam Break Model 1008

Yuan Cheng, Benatec Associates

A Real-Time Operational Inflow Forecasting System 1014L Mathier, K. Bouchard, HydroSoft Energie Inc., and J. L. Bisson, Hydro -Quebec

Reservoir Operation Strategy for a Mountainous Reservoir-River SystemDuring Floods 1020

D. L. Young, W. L. Lin, Y. S. Lin, J. H. Kao, and S. J. Jang, National TaiwanUniversity - Taiwan, R.O.C.

GIS Data Based Optimization of Tank Model 1026Yoshiyuki Yokoo, University of Tsukuba - Japan, and So Kazama, AsianInstitute of Technology - Thailand

SESSION C-l 4Free Surface Flow Model Verification I

Sponsored by Task Committee on 3D Free Surface Flow Model VerificationsModerators: Sam S. Y. Wang, University of Mississippi

and Peter E. Smith, U.S. Geological Survey

Verification of a 3D Hydrodynamic Model of the San Juan Estuary System 1032Keu W. Kim and Billy H. Johnson, U.S. Army Corps of Engineers - WES

Numerical Modeling of Secondary Motions of Turbulent Flowsin Compound Channels 1038

Yafei Jia and Sam S.Y. Wang, University of Mississippi

Three-dimensional Numerical Modeling of Thermal Stratificationin Cooling Ponds 1044

Sanjiv K. Sinha, University of Michigan, Forrest M. Holly, Jr., University ofIowa, and Mark Dyer, Ameren Corporation

Maximum Simulation Reliability for Three-Dimensional Flow ModelVerification Using Multidimensional Response Techniques 1050

Bernard B. Hsieh, U.S. Army Corps of Engineers - WES

SESSION C-l 5Design, Operation and Maintenance of Irrigation and Drainage Systems I

Sponsored by Committee on Design, Operation and Maintenanceof Irrigation and Drainage Systems

Moderator: L. F. Ploss, U.S. Bureau of Reclamation

Recent Work in the Design and O&M of I&D Systems 1056Robert S. Gooch, Salt River Project

ASCE is Preparing a Pipeline Manual? 1061Roger Beieler, CH2M Hill

Review of Manual 57: Management, Operation and Maintenance of Irrigationand Drainage Systems 1067

William L. Bouley, U.S. Bureau of Reclamation

Installation of a Flexible Pipeline Irrigation System in Egypt 1072John L. Merriam and Grant G. Davids, Davids Engineering, Inc

Rotational Water Supply System 1078K. G. Rathod and N. M. Prajapati, Central Designs Organisation - India

SESSION C-l 6Dam Foundation Erosion

Moderator Rodney J. Wittier, U.S. Bureau of Reclamation

Prototype Scour Experiments in Simulated Fractured Rock and Granular Media ....1084J. M. Kuroiwa, J. F. Ruff, Colorado State University, R. J. Wittier, U.S.Bureau of Reclamation, G. W. Annandale, Golder Associates, Inc.

Prototype Validation of Erodibility Index for Scour in Granular Media 1090R. J. Wittier, U.S. Bureau of Reclamation, G. W. Annandale, GolderAssociates, Inc., J. F. Ruff, and Steven R. Abt, Colorado State University

Prototype Validation of Erodibility Index for Scour in Fractured Rock Media 1096G. W. Annandale, Golder Associates, Inc, R. J. Wittier, U.S. Bureau ofReclamation, J. F. Ruff, Colorado State University, and T. L. Lewis, GolderAssociates, Inc.

Erosion of Structured Material Due to Impinging Jet 1102Gregory J. Hanson, Kerry M. Robinson and Kevin R. Cook, USDA -Agricultural Research Service

SESSION C-l 7Free Surface Flow Model Verification II

Sponsored by Committee on 3D Free Surface Flow Model VerificationModerator: Peter E. Smith, U.S. Geological Survey

On the Parallelization of CH3D 1108J. Zhu, P. Bangalore, D. Huddleston, and A. Skjellum, Mississippi StateUniversity, and B. Johnson, U.S. Army Corps of Engineers - WES

An Investigation into the Flow Field at a Generalised Intake Structureusing SSIIM, a 3D Numerical Model 1114

C. B. Bowles, C. D. Daffern, and S. Ashforth-Frost. Nottingham TrentUniversity - United Kingdom

Review of 3-D Hydrodynamic and Contaminant Transport Models 1120Raymond Walton, WEST Consultants, Inc., Kevin Schock and RobertSwarner, King County Wastewater Treatment Division

Numerical Simulation of Free-Surface Flows 1126Anand Raman and M. Hanif Chaudhry, University of South Carolina

Two-Dimensional Flow Model for Vessel-Generated Currents: NumericalExperiments Conducted for the Upper Mississippi River - Illinois WaterwayNavigation Study 1 1 3 0

Anand Raman, WEST Consultants Inc., R. C. Berger and R. L. Stockstill,U.S. Army Corps of Engineers - WES

SESSION C-18Design, Operation and Maintenance of Irrigation and Drainage Systems II

Sponsored by Committee on Design, Operation and Maintenanceof Irrigation and Drainage Systems

Moderator: Robert S. Gooch, Salt River Project

Furrow Irrigation Design with Simulation 1135A. J. Clemmens, E. Camacho, and T. S. Strelkoff, USDA - AgriculturalResearch Service

SESSION C-19Effects of Dam Failure

Moderator: Tracy Vermeyen, U.S. Bureau of Reclamation

Effects of the Potential Release of Sediment from No. 6 Watergate Pond Dam 1141Cassie C. Klumpp, U.S. Bureau of Reclamation

SESSION C-20Free Surface Flow Model Verifications III: Panel Discussion

Sponsored by Task Committee on 3D Free Surface Flow Model VerificationsModerator: Sam S. Y Wang, University of Mississippi

Panelists: Patrick J. Roache, Ecodynamics Research Associates,W. H. McAnnally, U.S. Army Corps of Engineers- WES,Billy H. Johnson, U.S. Army Corps of Engineers - WES,

Peter E. Smith, U.S. Geological Survey

SESSION C-21Irrigation & Drainage Applications I

Moderator: Otto J. Helweg, North Dakota State University

The Use of Drainage in Expanding the Capabilities of Irrigated LandApplication Systems 1147

Henriette Emond, Mark Madison, and Jim Jordahl, CH2M Hill

Pesticide Leaching Under Two Tillage Systems 1153William F. Ritter, A. E. M. Chimside, and Robert W. Scarborough, Universityof Delaware

SESSION C-22Water Quality Modeling and Assessment for Water Supply Protection

Moderator: Stuart M. Stein, GKY and Associates, Inc.

Occoquan Water Supply Protection Tool 1159Stuart M. Stein, Traci Kammer, and Kamal Saffarinia, GKY and Associates,Inc., and Normand Goulet and Don Waye, Northern Virginia PlanningDistrict Commission

Water Quality Impacts from Agricultural Drainage of Peat Soils in theSacramento-San Joaquin Delta 1165

Russ T. Brown, Jones & Stokes Associates

Modeling Water Quality Response to Fertilizer BMPs 1171Hans P. Holmberg, and David W. Dilks, Limno-Tech, Inc, Stephen F. John,Environmental Planning and Economics, Inc, and David C. White, Universityof Illinois

Enhancement of the Virginia Storm Model for Nonpoint SourcePollution Simulation 1177

Jan-Tai Kuo, National Taiwan University - Taiwan, Shaw L. Yu, University ofVirginia, Ming-Chien Kuo, CH2M Hill International Ltd, and Chih-Hao Pan,National Taiwan University — Taiwan, R.O.C.

SESSION C-23Irrigation & Drainage Applications II

Moderator: William F. Ritter, University of Delaware

Drainage by Evaporation for Soil Salinity Control 1182Nabil Khouri

The Effect of Gate-Operation Rules on Water-Delivery Performance:Phitsanulok Irrigation System, Thailand 1188

R. Loof, M. Mainuddin, and C. L. Abernethy, Asian Institute of Technology -Thailand

Managing Water Scarcity for Sustainable Irrigation in the SouthernMediterranean Region 1194

Saad A. Alghariani, Alfateh University - Libya

SESSION C-24Methods for Monitoring and Evaluation of Non-Point Sources I

Sponsored by the Arkansas Water Resources Center, University of ArkansasModerator: Kenneth F. Steele, University of Arkansas

Well Contamination and Related Spatial Attributes 1200H. D. Scott, University of Arkansas, C. L. Griffis, and T. H. Udouj,University of Arkansas

Occurrence of Pesticides in the Alluvial Aquifer of the Arkansas Delta 1206Tim Kresse, Jim Wise, and Tom Huetter, Arkansas Department of PollutionControl and Ecology, Ed Van Schaik, Mintech

Cotton Herbicides in the Surface Waters of the Mississippi Alluvial Plain(the Delta) 1212

R. H. Coupe and R. A. Rebich, U.S. Geological Survey

Low Soil Nitrate Levels in Louisiana Golf Courses Related to N Immobilized toOrganic-Matter Sink. 1218

Jeffrey R. Higby, University of Florida, and Paul F. Bell, Louisiana StateUniversity

SESSION C-25Climate Issues

Moderator: Anne B. Hoos, U.S. Geological Survey

Periodicity in Midwestern Climatic Data 1224Huey-Long Chen and A. Ramachandra Rao, Purdue University

Development of Simple Snow Density Model for Wide Area 1230So Kazama, Asian Institute of Technology - Thailand

Occurrence Times of Runoff Peaks in Israel 1236Arie Ben-Zvi and Benjamin Azmon, Israel Hydrological Service - Israel

SESSION C-26Methods for Monitoring and Evaluation of Non-Point Sources II

Sponsored by the Arkansas Water Resources Center, University of ArkansasModerator: H. D. Scott, University of Arkansas

Ground Water Monitoring in the Arkansas Delta—1992-1998 1242Terry Nichols, Kenneth Steele, Paul Vendrell, and Don Scott, University ofArkansas

Toxicity of Azadirachtin Pesticides on Aquatic Species 1248Ipek Goktepe and Leslie Plhak, Louisiana State University

Subsurface Water Movement on an Agricultural Watershed 1254Ronald E. Yoder, Daniel C. Yoder, C. Ronald Mote, Michael E. Essington,J. T. Ammons, Thomas C. Mueller, and Donald D. Tyler, University ofTennessee

SESSIONC-l'7Runoff Curve Number Hydrology

Sponsored by Committee on Surface Water Hydrology and Committeeon Watershed Management

Moderator: Richard H. Hawkins, University of Arizona

The Origin and Derivation of Ia/S in the Runoff Curve Number System 1260Arlis Plummer and Donald E. Woodward, National Resources ConservationService

SESSION C-28Automation of Canal System Operation

Sponsored by Committee on Design, Operation and Maintenanceof Irrigation and Drainage Systems

Moderator: Fred Ogden, University of Connecticut

Progress of Canal Automation in Mexico 1266Victor M. Ruiz C , Adolfo Miranda P., Institute Mexicano de Tecnologia delAgura - Mexico

Plug and Play Canal Automation: Is It Possible? 1272A. J. Clemmens, L. Feuer, and R. J. Strand, USDA - Agricultural ResearchService

Bringing Canal Automation On-Line at SRP 1278A. J. Clemmens, USDA - Agricultural Research Service, E. Bautista, R. S.Gooch, and R. J. Strand, Salt River Project

SESSION C-29Methods for Monitoring and Evaluation of Non-Point Sources III

Sponsored by the Arkansas Water Resources Center, University of ArkansasModerator: Kenneth F. Steele, University of Arkansas

Transport of Two Solutes in a Loessial Soil 1284Alton B. Johnson and Reginald D. Burks, Alcorn State University

SESSION C-30Watershed Hydrology

Sponsored by the Committee on Surface Water and Committee on Watershed ManagementModerator: Joseph Van Mullem, Natural Resources Conservation Service

Lag Time Characteristics for Small Watersheds in the U.S 1290M. J. Simas, Universidad Independente — Portugal, and R. H. Hawkins,University of Arizona

Hydrologic Soil Group Assignment 1297Robert D. Nielsen and Allen T. Hjelmfelt Jr., Natural Resources ConservationService

Coincident Frequency in Snowmelt Runoff Modeling 1303Joseph A. Van Mullem, Natural Resources Conservation Service

Selection of Appropriate Hydrologic Analysis Method To Simulate a WatershedResponse: Ashland Creek Case Study 1309

Azad Mohammadi, Lawrence M. Magura, and R. Brady Fuller, Otak, Inc.

Acquisition of Geomorphologic Data by Using GIS 1315Daniel J. Schuller, Steven R. Lambert, and A. Ramachandra Rao, PurdueUniversity

SESSION C-31Sediment Behavior

Sponsored by Committee on SedimentationModerator: Ronald R. Copeland, U.S. Army Corps of Engineers - WES

State of the Science in Cohesive Bed Sediment Behavior 1321Ahmed M. Emam and Brian D. Barkdoll, University of Mississippi

Non-Linear Settlement of Solids Due to Their Self-Weight 1326A. Papanicolaou, Washington State University, and P. Diplas, Virginia

Polytechnic Institute & State University

Two-Phase Modeling of Suspended Sediment Transport 1332Blair P. Greimann and Forrest M. Holly, Iowa Institute of Hydraulic Research

The Role of Turbulent Stresses on the Initiation of Sediment Motion 1338A. Papanicolaou, Washington State University, P. Diplas, M. Balakrishnan,and C. L. Dancey, Virginia Polytechnic Institute & State University

Correlation Between the Incipient Motion of a Spherical Roughness Elementand Fluid Velocity in Open Channel Flow

C. L. Dancey, M. Balakrishnan, and P. Diplas, Virginia Polytechnic Instituteand State University, and A. Papanicolaou, Washington State University

SESSION C-32Modeling Watershed Runoff

Moderator: Marshall Flug, U.S. Geological Survey

Storm Centering Tests for Determining Tributary Area 1350James C. Y. Guo, University of Colorado - Denver, John P. Clark,Montgomery Watson, and Ken Gilberts, VTN-nevada

HSPF Modeling of the Charles River Watershed 1356Amy Munson, Scott A. Socolofsky, and E. Eric Adams, MassachusettsInstitute of Technology

Calibration of a Semi-Distributed Rainfall Runoff Model Using GlobalOptimization Strategies 1362

M. Thiemann, H. Gupta, and S. Sorooshian, University of Arizona, R. Funke,Kisters Engineering Co. - Germany

Statistical Simulation for Parameter-Importance in Stanford ComputerModel on Water Resources 1368

Sant S. Garg, Regional Development Organization

SESSION C-3 3River Sedimentation Process Modeling

Sponsored by Task Committee on 3D Free Surface Flow Model VerificationModerators: C. Ted Yang, U.S. Bureau-of Reclamation

and T. Tsujimoto, Nagoya University - Japan

Bed Shear Stress in Sine-Generated Channels 1374Guohong Duan, Yaifei Jia, and Sam S.Y. Wang, University of Mississippi

A Model for Flow over Flexible Vegetation-Covered Bed 1380Tetsuro Tsujimoto, Nagoya University - Japan, and Tadanori Kitamura,University of Mississippi

A Study on Flow Path in Mountain Rivers in the Southwestern Part of China 1386Wang Pingyi, Chongqing University of Communications, and Liu Yafei,Southwest Research Institute of Water Transport Engineering - China

A 2-D Non-Equilibrium Approach for Nonuniform Sediment TransportModeling 1392

Weiming Wu, Sam S.Y. Wang, and Yafei Jia, University of Mississippi

Two-Dimensional Bank Erosion Model for Noncohesive Bank Material 1398Guohong Duan, Ligeng Li, and Sam S.Y. Wang, University of Mississippi

xxvm

SESSION C-34Selection of Irrigation Methods

Sponsored by Committee on Design, Operation and Maintenanceof Irrigation and Drainage Systems

Moderator: Charles M. Burt, California Polytechnic State University

Overview of Irrigation Method Selection 1404A. J. Clemmens, USDA - Agricultural Research Service

Selection of Irrigation Methods for Agriculture: Drip/Micro Irrigation 1410C. M. Burt, California Polytechnic State University

SESSION C-35Discussion of Findings of Task Committee on Evaluation and Design

of Grade Control: Panel DiscussionSponsored by Task Committee on the Evaluation and Design for Grade Control

Moderator: Phil G. Combs, U.S. Army Corps of Engineers - WESPanelists: William Taggart, Taggart Engineering

Rodney J. Wittier, U.S. Bureau of ReclamationChester C. Watson, Colorado State University

David Biedenharn, U.S. Army Corps of Engineers - WES

SESSION C-36Sediment Transport I

Moderator: David Williams, WEST Consultants, Inc.

Sediment Budget for the Upper Mississippi River 1416S. M. Gardarsson, T. R. Grindeland, and J. B. Bradley, WEST Consultants,Inc.

Temporal Variations in Point Bar Morphology Within Two Incised RiverMeanders, Goodwin Creek, Mississippi 1422

Sean J. Bennett, Andrew Simon, and Roger A. Kuhnle, USDA - AgriculturalResearch Service

Application of Three-Dimensional Modeling to the Deep Draft Navigation Project ...1428Daniel Gessler, Colorado State University, and Hasan Pourtaheri, U.S. ArmyCorps of Engineers

SESSION C-3 7Hydraulic Structures I: Spillways & Stilling Basins

Sponsored by Committee on Hydraulic StructuresModerator: John H. LaBoon, U.S. Bureau of Reclamation

Energy Losses on a Roller Compacted Concrete Stepped Spillway 1434K. M. Robinson, C. E. Rice, K. C. Kadavy, USDA-ARS, and J. R. Talbot,GEI Consultants, Inc.

Tests of a Siphon-Shaft Spillway with Cylindrical Hoods 1440Necati Agiralioglu, Istanbul Technical University, Mustafa Sasal, andSabahattin Karpuz, Sakarya University - Turkey

Development of a Needle Probe for Measurement in Air-Water Flows 1446A. R. Zarrati, M. R. Shahverdi, and A. Samavati, Amir Kabir University ofTechnology - Iran

Performance of a Stilling Basin with Partially Short Walls 1452A. R. Zarrati, Amir Kabir University of Technology, and S. A. Alehossem,Tarbiat Modarres University - t a n

SESSION C-38Water Quality I: Reservoirs

Moderator: Richard French, Desert Research Institute

Water Quality Modeling of Reservoir Using WASP 1458James Zhou, San Diego County Water Authority

Spatial Investigation of Water Quality in Lake Erie Using GIS Methods 1464Tiao J. Chang and Mark A. Hoover, Ohio University

Current Control System for Lake Water Quality Management 1475Akira Terakawa and Takashi Fukuwatari, Public Works Research Institute -Japan

SESSION C-39Sediment Transport II: Motion and Deformation

Moderator: Cassie C. Klumpp, U.S. Bureau of Reclamation

Incipient Motion Under Shallow Flow Conditions 1481Paul Kanellopoulos and Panayiotis Diplas, Virginia Polytechnic Institute andState University

Subsurface Flow and Channel Erosion 1487Laxmi P. Devkota, Tetsuro Tsujimoto, and Fusetsu Takagi, NagoyaUniversity - Japan

State of the Science in Suspended Sediment Measurement 1493Daniel G. Wren, B. D. Barkdoll, and Robert W. Derrow II, University ofMississippi, and Roger A. Kuhnle USDA-NSL

SESSION C-40Hydraulic Structures II: Spillways and Stilling Basins

Sponsored by Committee on Hydraulic StructuresModerator: John Hite, U.S. Army Corps of Engineers - WES

Outlet Repairs Using Cured-in-Place Pipe 1499Thomas E. Hepler, U.S. Bureau of Reclamation

Folsom Dam Outlet Works Modifications 1505Ernest W. Hall, U.S. Bureau of Reclamation

Folsom Dam Spillway Stilling Basin Repair 1511Bruce C. Muller, Jr., and Robert F. Einhellig, U.S. Bureau of Reclamation

SESSION C-41Water Quality II: International Issues

Moderator: Gregory V. Wilkerson, Colorado State University

Water Quality of Kangra Valley (India) - A Case Study 1517Sushil K. Goyal, Punjab Engineering College - India, and Rajesh Mongra,Regional Engineering College - India

Effective Utilisation of River Water Resources Using Water Quality 1523Sundara Rajani, Jawarharlal Nehru Technological University - India

Probabilistic Management Model for Water Quality 1529Yu Bo, Nanjing Hydraulic Research Institute - China

SESSION C-42Sediment Transport III: Control & Management

Sponsored by Committee on SedimentationModerator: Daniel Gessler, Colorado State University

Promising New Ideas for Sedimentation Exclusion from Intakes 1535Brian D. Barkdoll, University of Mississippi, and Robert Ettema, Universityof Iowa

Sediment Bypass System for Grove Dam, Nebraska 1541Rollin H. Hotchkiss, University of Nebraska - Lincoln

Sediment Bypass System for Spalding Dam, Nebraska 1547Rollin H. Hotchkiss, University of Nebraska - Lincoln, Debra L. Ohlinger,EA Engineering, Science and Technology, Inc., and Jacob Odgaard, IowaInstitute of Hydraulics Research

Control of Sediment Deposition at the Amir-Kabir Pump Station Usinga Physical Hydraulic Model 1553

M. Shafai-Bajestan, Shahid-Chamran University, A. Behzadi-Poor, Water &Soil Engineering Company - Iran, and Steven R. Abt, Colorado StateUniversity

SESSION C-43Hydraulic Structures III: Revetments

Sponsored by Committee on Hydraulic StructuresModerator: John Hite, U.S. Army Corps of Engineers - WES

Gully Stabilization Methods Utilizing Launching Stone 1559Christopher I. Thornton, Steven R. Abt, Colorado State University, andTed L. Johnson, U.S. Nuclear Regulatory Commission

Levee Design for Flood Protection on Alluvial Fans 1565Bruce M. Philips and Robert Bein, William Frost & Associates

A Head Loss Criterion for Piping, Applied to Levees 1571Gheorghe Armencea, Institute for Hydropower Study and Design - Romania

SESSION C-44Water Quality III: Contaminant Monitoring

Moderator: Timothy Diehl, U.S. Geological Survey

Receiving Water Quality Monitoring for Assessment of Storm WaterRunoff Impacts, A Case Study 1577

Scott M. Taylor, William Frost & Associates

Eco-Environmental Constraints to Rice Irrigation 1583Tsugihiro Watanabe, Osaka Prefecture University - Japan, and Kenneth Tanji,University of California - Davis

The Frequency of Combined Sewer Overflows During Flood Eventsin the Receiving Water I 5 8 9

Joachim Sartor, Fachhochschule Trier - Germany

SESSION C-45Flood Issues I: Flood Routing

Moderator: Timothy K. Gates, Colorado State University

A Conceptual Flood Control Plan for a Complex Channel System Using UNET 1595Martin J. Teal, WEST Consultants, Inc., Nancy Powell and Erika Gomez,U.S. Army Corps of Engineers, and David T. Williams, WEST Consultants,Inc.

A Physically-Based Hydrologic Method for Flood Routing in River Channels 1601Alvaro A. Aldama and Ernesto Aguilar, Mexican Institute of WaterTechnology - Mexico

Design Floods in River Networks 1607Alvaro A. Aldama, Aldo I. Ramirez, and Javier Aparicio, Mexican Instituteof Water Technology - Mexico

SESSION C-46Hydraulic Structures IV: Environmental Considerations

Sponsored by Committee on Hydraulic StructuresModerator: Ronald D. Dunn, U.S. Army Corps of Engineers - WES

Volume of Scour Holes for Angled Spur Dikes 1613Roger A. Kuhnle, Carlos V. Alonso and F. Douglas Shields, Jr., USDA -Agricultural Research Service

Castor River Block Hole Stabilization 1619Ramesh S. Chintala and Brian J. Doeing, WEST Consultants Inc., Roger A.Gaines and Tasso Schmidgall, U.S. Army Corps of Engineers

SESSION C-47Stochastic Methods in Subsurface Contaminant Hydrology I

Sponsored by Task Committee on Stochastic Methods in Subsurface Contaminant HydrologyModerators: Rao S. Govindaraju, Purdue University,

and Zbigniew J. Kabala, Duke University

SESSION C-48Water Quality IV: Contaminant Monitoring

Moderator: Wade E. Hawthorne, Economic & Engineering Service, Inc.

Seasonal Microbial Levels in Adjacent Watersheds 1625Donald E. Barbe, John C. Francis, and Madhu Gunta, University of NewOrleans

Managing the Water Contaminants 1631Nazeer Ahmed, Cornerstone Engineering, Inc.

2D Coupled Water Quality Model for Industrial Effluent Transport 1637Chen Qi and Dihua Zhao, Nanjing Institute of Hydrology & Water Resources- China, G. Q. Tabios III, University of Philippines - Philippines, and H. W.Shen, University of California - Berkeley

SESSION C-49Flood Issues II

Moderator: Chester C. Watson, Colorado State University

Adaptation of FEMA Alluvial Fan Flooding Methodology for N-Year Floods 1643Jianlu Xu, Jeng Song Wang, Bechtel Corporation, Ejaz Mohammad, WESTConsultants, Inc., and David Cozakos, U.S. Army Corps of Engineers

A Design Flow Hydrograph for Flat Terrain Watersheds 1649Morris Sade, Southern University

Huxtable Pumping Plant Interior Flood Hydrology 1655Ejaz Mohammad, Rodney D. Lubojasky and David S. Smith, WESTConsultants, Inc., and Tracy James, U.S. Army Corps of Engineers

Flood Routing in Ungauged Reservoir Watersheds 1661Kwan Tun Lee, Chin-Hsin Chang, Shen Chiang, National Taiwan OceanUniversity, and Wei-Sheng Yu, Agricultural Engineering Research Center —Taiwan, R.O.C.

SESSION C-50Hydraulic Structures V

Sponsored by Committee on Hydraulic StructuresModerator: Christopher I. Thornton, Colorado State University

Design of Clarifiers and Sedimentation Basins Using an AdvancedNumerical Modeling Approach 1667

Stephen A. Breithaupt, Tarang Khangaonkar, and Sam Staatz, ENSR

Hydraulic Design and Analysis for a Water Supply System Modification 1673Yifan Zheng, Adnan Alsaffar and Kanu Patel, Bechtel Power Corporation,and Mike McCleish, Ocean State Power

Experimental Description of Combining Flows at an Open Channel Junction 1679Eric D. Shumate and Larry J. Weber, University of Iowa

SESSION C-51Open Channel Flow I

Moderator: Ehab Meselhe, University of Southwestern Louisiana

A Numerical Design Method for Open-Channel Flow 1685C. O. E. Burg and D. H. Huddleston, Mississippi State University, and R. C.Berger, U.S. Army Corps of Engineers - WTiS

Calculation of Turbulent Flow in Open Channel Bends 1691Hector R. Bravo and J. Gustavo Gutierrez, University of Wisconsin -Milwaukee

Comparison of Algebraic Eddy Viscosity Models in 3D Simulation of CompoundChannel Flows 1697

Francisco J. M.. Simdes, U.S. Bureau of Reclamation, and Sam S.Y. Wang,University of Mississippi

How Spacing of Cross-Section Surveys Affects Understanding of Variabilityin Channel Hydraulic Geometry 1703

Timothy K. Gates and Chester C. Watson, Colorado State University, andRodney J. Wittier, U.S. Bureau of Reclamation

SESSION C-S2Discharge Estimation in Open Channels

Moderator: Karen Jarrett, City ofGermantown

A Proposed Method for Discharge Estimation in Natural Streams by Surveyingof Scour Holes Downstream of Drops 1709

Julio M. Kuroiwa and James F. Ruff, Colorado State University

Use of Acoustic Velocity Methodology and Remote Sensing TechniquesTo Measure Unsteady Flow on the Lower Yazoo River in Mississippi 1715

D. Phil Tumipseed, Lance M. Cooper, and Angela A. Davis, U.S. GeologicalSurvey

A Fast Method of Discharge Measurement in Open-Channel Flow 1721Chao-Lin Chiu and Yen-Chang Chen, University of Pittsburgh

Relation Between Mean and Maximum Velocities in the River Jamuna 1727M. R. Kabir and U. K. Navera, Bangladesh University of Engineering andTechnology - Bangladesh

SESSION C-S3Well Design and Considerations

Sponsored by Ground Water Hydrology CommitteeModerator: RobertMcVicker

An Approach to Optimal Well Design 1733Otto J. Helweg, North Dakota State University

The WELLSIM Model for Analyzing Well Hydrodynamics 1739Fred VonHofe, Memphis Light, Gas, and Water, and Otto J. Helweg, NorthDakota State University

SESSION C-S4Stochastic Methods in Subsurface Contaminant Hydrology II

Sponsored by Task Committee on Stochastic Methods in Subsurface Contaminant HydrologyModerators: Rao S. Govindaraju, Purdue University,

and Zbigniew J. Kabala, Duke University

A Random Cluster Model for Large-Pore-Mode-Porosity and Permeabilityof Soils 1745

Rao S. Govindaraju, Purdue University

Analysing of Fractal Dispersivity by Wavelets 1751Peter Bakucz, Technical University of Budapest - Hungary

SESSION C-55Hydraulic Structures VI: Valves

Sponsored by Committee on Hydraulic StructuresModerator: Warren Frizell, U.S. Bureau of Reclamation

The New Methods for Preventing Cavitation of High-Lift Ship Lock Valvesin Hydro-Power Projects 1757

Xu Qinghua and Xuan Guoxiang, Nanjing Hydraulic Research Institute -China

New Technique for Research on Lock Valve Cavitation Problemswith Unsteady Flow 1763

Zheng Chupei (C.P. Zheng), Jiang Shulai (Shuhai Jiang), and Hu Yaan (Y. A.Hu), Nanjing Hydraulic Research Institute - China

A Study on Top Sealing Slit of Reversed Tainter Valves and Its Application 1769Hu Yaan (Y. A. Hu) and Zheng (C. P. Zheng), Nanjing Hydraulic ResearchInstitute - China

SESSION C-56Water Resources Development <£ Management

Moderator: Steven R. Abt, Colorado State University

An Environmentally-Influenced Water-Resources Plan for England and Wales 1776Mehmet A. Yurdusev, Celal Bayar University - Turkey, and Derek G.Jamieson, Newcastle University - United Kingdom

Planning of Water Supply Under Uncertainty: The Dead Sea Project 1782Radwan A. Al-Weshah, University of Jordan - Jordan

Decision Support System (DSS) for Basin-Wide Water Resources Management 1787Sreepathi R. Ramireddygari and James K. Koelliker, Kansas State University,John C. Tracy, Desert Research Institute, Rao S. Govindaraju, PurdueUniversity, and Marios Sophocleous, University of Kansas

Water Resources of the Brahmaputra River System in South Asia 1793Dhiren N. Dutta, Consultant

Decision-Support System for Domestic Water Demand Management 1799M. Luay Froukh

SESSION C-S7Evapotranspiration

Sponsored by Committee on Evapotranspiration in Irrigation and HydrologyModerator: Brian Boman, University of Florida

Estimation of Crop Evapotranspiration by Using the Penman-Monteith Methodwith a Variable Canopy Resistance 1806

Samuel O. Ortega-Farias, Universidad de Talca - Chile, and Richard H.Cuenca, Oregon State University

Reference Evapotranspiration by Using the Residual Energy Balance Method 1812Samuel O. Ortega-Farias and Rodrigo Barrias-Sanzana, Universidad de Talca- Chile, and Richard H. Cuenca, Oregon State University

SESSION C-58Evaluation of Agricultural-Based Hydrologic and Water Quality Models:

Their Use and ApplicationSponsored by Task Committee on Agricultural Nonpoint, Source Water Quality Models:

Their Use and ApplicationModerator: Daniel L. Thomas, University of Georgia

Agricultural Non-Point Source Water Quality Models: Their Use and Application....l818Daniel L. Thomas, University of Georgia, Robert O. Evans, North CarolinaState University, Adel Shirmohammadi, University of Maryland, and BernardA. Engel, Purdue University

A Proposed Criteria To Evaluate Hydrologic/Water Quality Models 1824John E. Parsons, North Carolina State University, George J. Sabbagh, TexasA&M University, and Conrad D. Heatwole, Virginia Polytechnic Institute &State University

Evaluation of the Water Quality Model EUTROMOD 1828W. Cully Hession and Maeve McBride, Academy of Natural Sciences, JohnE. Parsons, North Carolina State University, and Kenneth H. Reckhow, DukeUniversity

Evaluation of the Water Quality Model OPUS 1834Conrad D. Heatwole, Sebastian Zacharias, Virginia Polytechnic Institute andState University, and Steven R. Workman, University of Kentucky

SESSION C-59Open Channel Flow II

Moderator: Ehab Meselhe, University of Southwestern Louisiana

Evaluation of the Newton Secant Method in Hydraulic Design Applications 1840Jorge A. Garcia, City of Las Cruces

An Open-Loop Control System for Open-Channel Flows 1852Eduardo Bautista and A. J. Clemmens, USDA - Agricultural ResearchService

An Eddy Viscosity Model for Shallow-Water Flows 1858Francisco J. M. Simoes, U.S. Bureau of Reclamation

Computation of Open Channel Flow Using a Gas-Kinetic Based Scheme 1864Deng Jiaquan and Ghidaoui M.S., Hong Kong University of Science &Technology - Hong Kong

Fractional Volume Methods for the Calculation of Shallow Water Flows 1870John E. Richardson, Flow Science, Inc.

Transient Flow Analysis of Canal Networks Using the Implicit FiniteDifference Model 1876

Kyoji Takaki, Hokuriku National Agricultural Experiment Station,Masaharu Kuroda and Yoshisuke Nakano, Kyushu University - Japan

ADDITIONAL PAPERS

Monitoring & Modeling Streambank Subsurface Water Conditions in NorthQueensland, Australia 1882

L. B. Sands, Fugro Middle East, and I. R. Kapitzke, James Cook University —Australia

Local Scour Increment by Successive Bridge Construction in the Han River 1888Gye-Woon Choi, University of Inchon, Kun-Heoung Kim, Inha University,and Sang-Jin Ahn, Chung Buk National University - Korea

Local Scour at Bridge Piers in the Cohesive Soil in the Yellow Sea 1894Gye-Woon Choi, Gee-Hyoung Kim, and Kyoung-Soo Ahn, University ofInchon, Byoung-Ha Seoh, Inha University - Korea

Study on Effective Parameters on Vortex Formation at Horizontal Intake 1900A. Daemi, Water Research Center - Iran

INDEXESSubject Index 1907

Author Index 1915