Environmental andCoastal Hydraulics:Protecting theAquatic HabitatVOLUME 1 • PROCEEDINGS OF THEME B

Water for A Changing Global CommunityThe 27th Congress of theInternational Association for xxvn IAHR

Hydraulic Research " ^ ngress

Hosted by theWater Resources Engineering Division of theAmerican Society of Civil Engineers

Series Editors: Forrest M. Holly Jr. and Adnan AlsaffarTheme Editor: Sam S.Y. WangTheme Co-Editor: Torkild Carstens

San Francisco, California S U B G 6 t H n g e nAugust 10-15,1997 208 5901884

98 A 21485

Published by theAmerican Societyof Civil Engineers

345 East 47th StreetNew York, New York 10017-2398

CONTENTS

THEME B: ENVIRONMENTAL AND COASTAL HYDRAULICS:PROTECTING THE AQUATIC HABITAT

Theme Keynote Address: Jorg Imberger, Australia "Challenges in Modeling WaterQuality in Lakes, Estuaries, and Coastal Seas" 1

Session B.IMIXING AND WATER QUALITY IN FREE-SURFACE FLOWS

Sponsor: IAHR Section I.I Fluid MechanicsConvenor: G. Christodoulu, National Technical University of Athens, Greece

Refined Water Quality Modeling of Bohai Bay, ChinaJIANHUA TAO and ZELIANG WANG, Tianjin University, Tianjin, P. R. China .. .3

Retention Time in a Recirculating FlowW. ALTAI and V. H. CHU, McGill University, Quebec, Canada 9

Analytic Solution of the Transient Storage Equations Accounting for Solute DecayBERNHARD H. SCHMID, Technical University Vienna, Vienna, Austria 75

Modeling the Transport & Fate of Copper in Keswick Reservoir, Shasta County,California

CAMILLA M. SAVIZ, GERALD T. ORLOB, and IAN P. KING, University ofCalifornia, Davis, CA .21

Numerical Study of Mixing Induced by Sediment DumpingC.W. LI, The Hong Kong Polytechnic University, Hong Kong 27

Derivation of Stochastic Transport Equation for River Water Quality ModelingJUNICHIYOSHITANI, Public Works Research Institute, Ibaraki-ken, Japan, andM. LEVENT KAWAS, University of California, Davis, CA 33

Statistical Moments of Pollutant Concentration Time-Distributions in NaturalStreams

PAWEL N. ROWINSKI and WLODZIMIERZ CZERNUSZENKO, Polish Academy ofSciences, Warsaw, Poland 39

Non-Fickian Random Walk Diffusion ModelsPAUL S. ADDISON and BO QU, Napier University, Scotland, UK 45

Water Quality Simulation of l,4-Nitrochlorobenzene(P-NCB) in the Yellow RiverXIANCHEN SHEN and HUIHUA FENG, Water Quality Research Center, Beijing,China 57

Field-Scale Tests for Determining Mixing Patterns Associated With Coarse-BubbleAir Diffuser Configurations Egan Quarry, 111

N.J. HORNEWER, G. P. JOHNSON, USGS, Urbana, IL, D.M. ROBERTSON,USGS, Madison, WI, and M. HONDZO, Purdue University, West Lafayette, IN . .57

Flow Patterns of Vertical Plumes Colliding with Density Stratified LayerYUSUKE FUKUSHIMA, Nagaoka University of Technology, Nagaoka,Niigata, Japan 64

Turbulent Jets of Shallow DepthJ.-B. ZHANG and V.H. CHU, McGill University, Quebec, Canada 70

Advection and Diffusion Properties of Air Bubbles in Open Channel FlowKEI-1CHI TODA and KAZUYA 1N0UE, Kyoto University, Kyoto, Japan 76

Some Inlet/Outlet Effects on Mixing in Water Supply ReservoirsWENPING LEE, JOHN A. HOOPES, TOM NOCK, and ROY HOLUB, Universityof Wisconsin, Madison, WI 82

Characteristics of Headland Wakes in Shallow FlowDANIEL G. MACDONALD, Cornell University, Ithaca, NY, and G. H. JIRKA,University of Karlsruhe, Karlsruhe, Germany 83

Distance for Complete Mixing in Open-Channel FlowKE-ZHONG HUANG and TAO JIANG, Zhongshan University, Guangzhou,China 94

Water Quality Behaviors in a Reservoir Having Anaerobic Heavy Bottom LayerCoupled with Inverse Temperature Gradient

K. MICHIOKU, T. KANDA.T. ITOH, K. ISHIKAWA, and M. HIGASHINO,Kobe University, Kobe, Japan 700

Thermal Bar Dynamics in the Two Largest Lakes in EuropeL. JONSSON and J. MALM, Lund University, Lund, Sweden 706

Sources of Nitrate Contamination in Central Illinois Streams and LakesMISGANAW DEMISSIE, LAURA KEEFER, SUSAN SHAW, and KEN NICHOLS,Illinois State Water Survey, Champaign, IL 773

Session B.2INSTRUMENTATION, MEASUREMENT, PHYSICAL MODELLING AND FIELDMONITORING

Sponsors: IAHR Section 1.3 Experimental Methods and Physical Modeling andASCE Committee on Hydraulic Measurements and InstrumentationConvenors: R.J. Keller, Monash University, Australia, and Warren Frizell,U.S. Bureau of Reclamation

Digital Particle Tracking VelocimetryEDWIN A. COWEN and STEPHEN G. M0N1SM1TH, Stanford University,Stanford, CA 779

Whole-Field Diagnostic in Flows with Suspended Sediment Using Particle TrackingVelocimetry

M. MUSTE, University of Iowa, Iowa City, IA, I. FUJITA, Gifu University, Gifu,Japan, and A. KRUGER, University of Iowa, Iowa City, IA 725

Initial Experiments with Particle Image Velocimetry Applied to Particulate FlowsD. A. LYN, Purdue University, West Lafayette, IN 131

Particle-Image Velocimetry for Ice-Field VelocitiesROBERT ETTEMA, University of Iowa, Iowa City, IA, ICHIRO FUJITA, GifuUniversity, Gifu, Japan, MARIAN MUSTE, and ANTON KRUGER, Universityof Iowa, Iowa City, IA 137

Turbulent Behaviors in Open Channel Trench Analyzed by Using PIV andTurbulence Model

T. KANDA, Kobe University, Kobe, Japan, I. FUJITA, Gifu University, Gifu, Japan,H. MIYAMOTO, and J. IKEGAM1, Kobe University, Kobe, Japan 143

Air Concentration Measurements in Highly Turbulent Aerated FlowJORGE MATOS, Technical University of Lisbon, Lisbon, Portugal, and KATHLEENH. FRIZELL, U. S. Bureau of Reclamation, Denver, CO 149

Measuring Estuarine Turbulence with an ADCPMARK T. STACEY and STEPHEN G. M0NISM1TH, Stanford University,Stanford, CA 755

Turbulent Scalar Flux Measurements Over Model BivalvesJOHN CR1MALDI and JEFF KOSEFF, Stanford University, Stanford, CA 767

Turbulence in Non-Uniform Open-Channel FlowsT. SONG and Y.M. CH1EW, Nanyang Technological University, Singapore 168

Turbulent Energy Transport of a Jet in Stagnant or Wave EnvironmentMICHELE MOSSA and ANTONIO PETR1LLO, Politecnico di Bari, Ban, Italy . 173

Measurements on Suspension Flow in Open ChannelsM. CELLINO and W.H. GRAF, Ecole Polytechnique Federate, Lausanne,Switzerland 779

Fine Sediment Transport Rates Measured by Laser ProfilingBRUCE J. NAIRN and NORMAN H. BROOKS, California Institute of Technology,Pasadena, CA . . 185

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Correlation Between Turbidity and Suspended Solids Concentration in a TidalSaltmarsh Creek

NAMSOO S. SUK, QIZHONG GUO, and NORBERT P. PSUTY, Rutgers University,New Brunswick, NJ 797

Concentration Measurements of Buoyant Jets Using Planar Laser-InducedFluorescence

C.R. CHU, K.S. LI, andR.S. WU, National Central University, Taiwan, R.O.C. .197

Simultaneous Measurement of Surface Velocity Distributions and BedConfigurations Under Flood Conditions

TADASHI UTAMI, Wakayama University, Wakayama, Japan, TETSUO UENO,Kyoto University, Kyoto, Japan, and RYOSAKU K1N0SHITA, Tokyo, Japan 203

Measurement of Cohesive Sediment Erodibility in a Laboratory FlumeB. WESTRICH, R. SCHARF, and V. SCHURLE1N, Institutfur Wasserbau derUniversitat, Stuttgart, Germany 209

Assessment of the Coastal Water Quality in the Southern Adriatic SeaC. MASCIOP1NTO, G. BARB1ERO, National Counsel of Research, Rome, Italy,N. CASAVOLA, and G. MARANO, Laboratory of Marine Biology ofBari Province,Bari, Italy 275

Ultrasonic Measurement of Sediment Bed ProfilesS.E. COLEMAN, University of Auckland, Auckland, New Zealand 227

Surface Velocity Measurement of River Flow Using Video Images of an ObliqueAngle

ICHIRO FUJITA, Gifu University, Gifu, Japan, SHIRO AYA, Osaka Institute ofTechnology, Osaka, Japan, and TAKASHIDEGUCHI, Gifu University,Gifu, Japan 227

Conditional Simulation of Laboratory WavesR.T. HUDSPETH, Oregon State University, Corvallis, OR, L.E. BORGMAN,University of Wyoming, Laramie, WY, J. M. GRASSA, CEDEX-CEPYC, Madrid,Spain, and BONGKOCH SAMORSON, Royal Thai Navy, Bangkok Thailand . . .233

Reciprocal Sound Transmission Experiment for Current Measurement in theCoastal Sea

77. NOGUCHI, Chugoku National Industrial Research Institute, Kure, Japan,A. KANEKO, N. GOHDA, H. ZHENG, and H. YAMAOKA, Hiroshima University,Higashi-Hiroshima, Japan 239

Relationship Between Turbulent Structure Near the Free-Surface andSurface-Wave-Fluctuations

IEH1SA NEZUand TADANOBU NAKAYAMA, Kyoto University, Kyoto, Japan .. .245

Flow Structures and Mixing Processes Around Porous and Submerged Spur DikesA. TOMINAGA, M. NAGAO, Nagoya Institute of Technology, Nagoya, Japan, andI. NEZU, Kyoto University, Kyoto, Japan 257

Multi-Disciplinary Data for Estuarien ModellingE.J. MCLEAN and J.B. H1NW00D, Australia and Monash University, WollongongEast, Australia 257

Calculation of Flow in Combining Manifolds for Final Settling TanksF. Valentin, Technische Universitdt Munchen, Miinchen, Germany, and H. Basha,American University of Beirut, Lebanon, Beirut 263

Session B.3CONTAMINANT RELEASE AND TRANSPORT IN AQUATIC/ATMOSPHERICSYSTEMS

Sponsor: IAHR Section II. 3 Fluid Phenomena in Energy ExchangesConvenor: Nobukazu Tanaka, CRIEPI, Japan

On the Added Mass of a Turbulent Jet in CrossflowJOSEPH H.W LEE and PAUL C.K. CHU, University of Hong Kong,Hong Kong 269

Hydraulics of Two-Layer Exchange Flow Over a SillDAVID Z ZHUand GREGORY A. LAWRENCE, University of British Columbia,Vancouver, B.C., Canada 275

Effects of Turbulent Current on Buoyant JetsC.R. CHU, T.Y. LIANG, &H- CHAN, andR.S. WU, National Central University,Taiwan, R.O.C. 281

Merging of Weakly Advected Coflowing JetsH.J. WANG and M. J. DAVIDSON, The Hong Kong University of Science andTechnology, Kowloon, Hong Kong 287

The Intermediate Zone of a Submerged Turbulent Buoyant Jet in Shallow AmbientFlowing Water

PAUL J. AKAR, Water Resources Consultant, Beirut, Lebanon 293

Acidification of Rainwater Due to Washout of Atmospheric Gaseous PollutantsS. SHIBA, Y. HIRATA, Osaka University, Osaka, Japan, and S. YAGI, SetsunanUniversity, Osaka, Japan 299

A Vertically Discharged Buoyant Plume in a Weak Ambient CurrentK.L. PUN, M.J.DAVIDSON, and S.S. CHAN, Hong Kong University of Scienceand Technology, Clear Water Bay, Hong Kong 305

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Behavior of Merging Plumes From Ocean OutfallsG.J. DAVIERO andP.J.W. ROBERTS, Georgia Institute of Technology,Atlanta, GA 311

Dilution Achieved by Diffusers Parallel to Current Using EPA UM ModelWALTER E. FRICK, U. S. Environmental Protection Agency, Athens, GA 317

Diffusion Model of Cu and Zn in Shallow ReservoirJUAN ANTONIO GARClA ARAGON, C1RA, UAEM, Toluca, Mexico, ICELAD. BARCELd QUINTAL, HUGO SOLOS CORREA, and JORGE RODRIGUEZ,UAM-A, Mexico D.F, Mexico 323

Three Dimensional Finite Element Modelling of Thermal and Chlorine Dischargesof a Maritime Nuclear Power Plant

F. MARCOS, J-M. JAN1N, and C. TEISSON, Electricite de France, LaboratoireNational d'Hydraulique, Chatou, France 329

Numerical Model of Dilution in a Dense Bottom Jet in Cross CurrentsOLE PETERSEN and TORBEN LARSEN, Aalborg University, H0rsholm,Denmark 335

Remote Sensing Investigations and Modelling of Wastewater PlumesPETER A. DAVIES, University of Dundee, UK, and MARIO J.V. NEVES,Universidad do Porto, Porto Codex, Portugal 341

Modelling Pollutant Transport in Overland Flow With InfiltrationMTV YAN and RENE KIHAWITA, Ecole Polytechnique de Montreal, Montreal,Canada .347

Sinking of a CO2-Enriched Ocean Gravity CurrentE. ERIC ADAMS, JENNIFER A. CAULFIELD, and XUE-YONG ZHANG,Massachusetts Institute of Technology, Cambridge, MA 352

Environmental Impact Assessment of the Al-Sharq Waterfront Project, KuwaitY. MARMOUSH, A. AL-SALEM, and JEN-MEN LO, Kuwait Institute for ScientificResearch, Safat, Kuwait 358

Tracing Discharges in Ocean Environments Using a Rare Earth TracerSUSAN C. PAULSEN, E. JOHN LIST, California Institute of Technology, Pasadena,CA, ROBERT Y. ROCHELEAU, and THEODORE S. DURLAND, SEA Engineering,Inc., Waimanalo, HI 364

A Model for Surface Plume Dispersion in an Ocean CurrentHENING HUANG and ROBERT E. FERGEN, Hazen and Sawyer, Raleigh, NC .370

Flooding of Tunnelled Ocean OutfallsD.L. WILKINSON, University of Canterbury, Christchurch, New Zealand 376

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Deposition of Dredged Sediment After Ocean DumpingHSIEN-TER CHOU, BOR-YANG WUNG, and ZIR-MOU TSENG, National CentralUniversity, Taiwan, Republic of China 382

Session B.5RESTORATION/REHABILITATION OF STREAM HABITAT AND WATERWAYS

Sponsors: IAHR Section 11.2 IAHR/1AWQ Joint Committee on Urban StormDrainage ASCE Research CommitteeConvenors: Charles Rowney, Camp Dresser McKee, USA, and F. Douglas Shields,USDA-ARS-NSL, USA

Reach-Average Dimensions for Channel ReconstructionED. SHIELDS, JR., U.S. Department of Agriculture, Agricultural Research Service,Oxford, MS 388

Effects of Flexible Riparian Vegetation Growth on Discharge CapacitySTEPHEN DARBY, USDA-Agricultural Research Service, Oxford, MS, MASSIMOR1NALDI, andlLARIA PISTOLESI, University of Florence, Florence, Italy 394

Renaturalization of a Channelized Small RiverJOACHIM F. SARTOR, Fachhochschule Trier, Trier, Germany 400

Stream Rehabilitation Using the Versatile "V"-DamDOUGLAS R. LA1H0, Ay res Associates, Fort Collins, CO 406

Efficiency of Local River Restorations-Results From Numerical Modelling andMonitoring

HELMUT M. HABERSACK and H. P. NACHTNEBEL, Universitdt fuerBodenkultur, Vienna, Austria 412

Volume of Scour Holes Associated with Spur DikesROGER A. KUHNLE, CARLOS V. ALONSO, and F. DOUGLAS SHIELDS, JR.,USDA-ARS, National Sedimentation Laboratory, Oxford, MS 418

Designing with Nature: The Development of a More Sustainable Approach to RiverChannel and Floodplain Restoration in the UK

A. BROOKES and M. BRAMLEY, Environment Agency, Bristol, UK 424

Developing Geomorphic Post Project Appraisals for Environmentally-AlignedRiver Channel Management

PETER W. DOWNS, KEVINS. SKINNER, and ANDREW BROOKES, EnvironmentAgency Thames Region, Reading, United Kingdom 430

River Rehabilitation Measures for a Lowland Channel with Flood DefenseRequirements: River Idle, UK

PETER W. DOWNS and COUN R. THORNE, University of Nottingham,Nottingham, UK 436

Sedimentation Engineering for River Restoration WorkshopPETER C. KUNGEMAN, RICHARD D. HEY, REBECCA SEAL AND F. DOUGLASSHIELDS, JR., and WILLIAM T. FULLERTON, CEWES Waterways ExperimentStation, Vicksburg, MS 442

Estimate of Fish Habitat for Determination of Ecological Instream FlowNOBUYUKITAMAI and HIR0N0R1MATSUZAK1, University of Tokyo,Tokyo, Japan 444

A Method for the Restoration of the River Danube and its Evaluation7=: NESTMANN and A. DITTR1CH, Universitat Karlsruhe, Karlsruhe, Germany .450

The Analysis of River Rehabilitation Schemes Using One and Two DimensionalHydraulic Modelling Programs

NEIL SWINDALE and NIGEL WRIGHT, University of Nottingham,Nottingham, UK 456

Criteria for Establishing Variable-Width Stream Buffers in the Rocky MountainsE.W. BROWN, J.E. JONES, and J.K. CLARY, Wright Water Engineers, Inc.,Denver, CO 462

New Channel Formation During the Pilot Backfilling Project for Dechannelizationof the Kissimmee River

JOANNE ROY CHAMBERLAIN, SFWMD, West Palm Beach, FL, SON VU, US ArmyCorps of Engineers, Jacksonville, FL, and MIKE CONAWAY, SFWMD, West PalmBeach, FL 468

Application of RBVM-2D Model to Kissimmee River Restoration in Florida Stateof USA

H.W. SHEN, University of California, Berkeley, CA, D.H. ZHAO, Nanjing ResearchInstitute of Hydrology and Water Resources, Nanjing, China, G.Q. TABIOS III,University of Philippine, Diliman, Quezon City, K. LOFTIN, S. SCULLEY, ANDJ. CHAMBERLAIN, SFWMD, West Palm Beach, FL 474

An Updated Approach to Assimilative .Capacity Assessment in Canada: The GrandRiver Experience

MIKE HULLEY, XCG Consultants Limited, Ontario, Canada, and HAROLDCHARD, CG&S Limited, Ontario, Canada 480

Design of Natural Urban Stream Systems Using Regime EquationsGRAHAM A. JENKINS, NERANJALA FERNANDO, and ROBIN G. BLACK,Queensland University of Technology, Brisbane, Australia 486

Water Protection Through Bank StripsHEINZ PATT, University of Essen, Essen, Germany 492

Designing Ecologically-Sound Banks Along Navigation CanalsANNEMARIE DE VISSER and RENE BOETERS, Ministry of Transport, PublicWorks and Water Management, Delft, The Netherlands 498

Lateral Dimensions of Sand-Silt Channels in Dynamic EquilibriumHECTOR DANIEL FARIAS and MARIA T. PILAN, Universidad Nacional deSantiago del Estero, Argentina 7547

Development of a River Bed With Hydraulic ModelsMICHAEL A. HENGL, Federal Office of Water Resources Management, Vienna,Austria 504

On the Relation Between Urban Wastewater Management Needs and ReceivingWater Objectives

WOLFGANG SCHILLING, Norwegian University of Science and Technology,Trondheim, Norway, WILLY BAUWENS, Free University, Brussels, Belgium,Dietrich Borchardt, University Kassel, Germany, PETER KREBS, EAWAG,Switzerland, WOLFGANG RAUCH, University Innsbruck Innsbruck, Austria,and PETER VANROLLEGHEM, University Gent, Belgium 570

Session B.7ENVIRONMENTAL/ECOLOGICAL CONSIDERATIONS IN RIVER

MANAGEMENTSponsor: ASCE Committee on Irrigation and DrainageConvenor: William R. Johnston, Consultant, USA

Nutrient Management Planning in the Nanticoke River WatershedW.F. RITTER and R.W. SCARBOROUGH, University of Delaware,Newark, DE 576

Managing Complex Hydrological Situations: Necessary Integration ofEnvironmental and Economical Demands

PHILIPPE GOURBESVILLE, Louis Pasteur University, Caen, France 522

Approaches Towards an Ecological Optimization of Minimum Flow Regulations inDiverted Streams

JURGEN GIESECKE and KLAUS JORDE, University of Stuttgart, Stuttgart,Germany 528

A New Technique for Controlling Algal Blooms in the Reservoir Using VerticalCurtains

TAKASH1 ASAEDA.D. G. N1MAL PRIYANTHA, Saitama University, Urawa, Japan,

GRAEME C. HOCKING, Murdoch University, Murdoch, WA, SATOK1 SAITOH,KOICH1 GOTOH, Water Resources Development Public Corporation, Fukuoka,Japan, and YASUSHIISERI, West Japan Engineering Consultants, Fukuoka,Japan 534

Ecological Requirements in the Management of an Irrigation ReservoirM. BENEDIN1, Water Research Institute, National Research Council, Rome,Italy 540

Making Room at the Table: Providing Fish Flows in Fully Allocated Watersheds ofCalifornia's Central Valley

MICHAEL J. SALE, GLENN F. CADA, and JOHN M. MUNRO, Oak Ridge NationalLaboratory, Oak Ridge, TN 546

The Tuolumne River, California, USA: A Managed SystemWILLIAM R. JOHNSTON, Consulting Engineer, Modesto, CA 552

The Role of Adaptive Management in Restoring Chinook Salmon to the TuolumneRiver

PETER B. MOYLE and RONALD M. YOSHIYAMA, University of California,Davis, CA 557

Use of Managed Pulses in Flow to Stimulate Outmigration of Juvenile SalmonSTEVEN P. CRAMER, Cramer & Associates, Inc., Gresham, OR 563

The Fluvial Geomorphology of the Tuolumne River: Implications for the RiverineEcosystem and Salmonid Restoration

SCOTT MCBAIN and WILLIAM TRUSH, McBain and Trush, Arcata, CA 569

Ecosystem Health and Salmon Restoration: A Broader PerspectiveBRUCE K. ORR, Stillwater Sciences, Berkeley, CA 575

Forensic Ecology: A Research Program to Enhance Salmon Production in theTuolumne River

FRANKLIN K. UGON, EA Engineering, Science, and Technology,Lafayette, CA 5<S7

Downstream Challenges to Salmon Restoration on the Tuolumne River-SalmonSurvival in the Sacramento-San Joaquin Delta

J. EMIL MORHARDT, EA Engineering, Science, and Technology, Inc.,Lafayette, CA 587

Alternative Dispute Resolution Don Pedro Hydroelectric Project, CaliforniaSTEPHEN ANGLE and JOHN A. SCHNAGL, Federal Energy RegulatoryCommission, Washington, D. C. 593

A Low Shear Stress Gravel-Bed River

xvi

ROBERT T. M1LH0US, US Geological Survey, Fort Collins, CO 599

South-American River Navigation System and Some Ecologic ProblemsPAUL GEORGESCU, Universidad "Simon Bolivar," Caracas, Venezuela, IOANAGEORGESCU FREIRE, Universidad de Carabobo, Estado Carabobo, Venezuela,ANDRES ANDREATTA, lglesias, Universidad "Simon Bolivar," Caracas,Venezuela 605

Incorporating a New Salinity-Outflow Algorithm Into an Operations Model forCentral Valley, California

RICHARD A. DENTON and DAVID A. BRIGGS, Contra Costa Water District,Concord, CA 677

Fertilizer Injection in Rivers for Rehabilitation of Salmon RunsPETER R. B. WARD, HASSEN A. YASS1EN, Ward & Associates Ltd., Vancouver,B.C., Canada, KEN I. ASHLEY, C. WENDELL KONING, WILLIAM G. DUNFORD,and LLOYD WELDER, University of British Columbia, Vancouver, B.C.,Canada 677

Characteristics of Flow in Multiple EmbaymentsMUHAMMAD ABDUL JALIL, Bangladesh University of Engineering & Technology,Dhaka, Bangladesh, YOSHIHISA KAWAHARA, and N0BUYUK1TAMA1, Universityof Tokyo, Tokyo, Japan 623

Session B.UCOASTAL HYDRODYNAMICS AND SEDIMENTATION

Sponsor: 1AHR Section 111.2 Maritime HydraulicsConvenor: Etienne Mansard, National Research Council, Canada

Advanced Tidal Analysis of Estuaries to Trace System ChangesP. RULAND, G. LANG, and G. FLUGGE, Federal Institute of WaterwayEngineering, Coastal Division, Hamburg, Germany 629

Flow Separation and Mixing Caused by Sills in Two-Layer FlowA. D1TTRICH, Y. WANG, and F. NESTMANN, Universitat Karlsruhe, Karlsruhe,Germany 635

Numerical Study on 'Aoshio', Upwelling of Anoxic Water, in Tokyo Bay/ SASAKI, M. ISOBE, A. WATANABE, University of Tokyo, Tokyo, Japan, ANDM. GOMYOU, Toa Corporation, Kanagawa, Japan 647

A Quasi-3D Model of Wave-Induced Current in the Surf ZoneMASAMITSU KUROIWA, HIDEAKINODA, and YUHEIMATSUBARA, TorroriUniversity, Tottori, Japan 647

Control and Creation of Tidal Residual Current in a Semi-Enclosed Bay by Bottom

Roughness with Directional Resistance Characteristics7! KOMATSU, S. YANO, S. GUG, and N. KOHASHI, Kyushu University,Fukuoka, Japan 653

Field Monitoring and Hydrodynamic Modeling of the Salton Sea, CACHRISTOPHER B. COOK and GERALD T. ORLOB, University of California,Davis, CA 659

Managing Water Quality in the Tidal Ouse (UK), Problems Associated withSuspended Sediment Oxygen Demand

M.A. CHESTER, I. GUYMER, University of Sheffield, Sheffield, UK, andR. FREESTONE, The Environment Agency, Leeds, UK 665

Analyses of Flow and Diffusion in Arctic SeasAKIRA WADA, Nihon University, Chiba, Japan, TERUO HOZUMI, Ark InformationSystem, Co., Ltd, Tokyo, Japan, and TAIRYU TAKANO, Laboratory of AquaticScience Consultant, Tokyo, Japan 677

Forced Circulation and Aeration in the Coastal Lagoon of Bojorquez, MexicoALVARO MUNOZ, and POUOPTRO MARTINEZ, Mexican Institute of WaterTechnology, Morelos, Mexico 677

Hydraulic Geometry for River EstuariesVS. NEARY, A. MEAD, P. B. WILLIAMS, and P. GOODWIN, Philip Williams &Associates, Ltd., San Francisco, CA 683

Morphodynamics of a Former Polder (Sieperdaschor) After Breaching of the Sum-mer Dike in the Scheldt Estuary, SW Netherlands

C. STORM, R. F. SANCHEZ LEAL and H. VERBEEK, National Institute forCoastal and Marine Management, Middelburg, The Netherlands 689

The Morphodynamics of a Sill in the Schelde Estuary (The Netherlands) and theInfluence of Maintenance Dredging Activities

F.T.G. TANK, University of Utrecht, Utrecht, The Netherlands, P.G.J. SISTERMANS,Rijkswaterstaat, Zeeland Directorate, Middelburg, The Netherlands,M.D. GROENEWOUD, Delft University of Technology, Delft, The Netherlands, andH. VERBEEK, National Institute for Coastal and Marine Management, Middelburg,The Netherlands 695

Geomorphological Analysis and Modelling Studies of Yunlin CoastCHEN-SHAN KUNG, FANG-KUO CHOU, and POR-JEN YANG, SinotechEngineering Consultants LTD., Taipei, Taiwan 707

A First Attempt of Analysis of Coastal Physical Models by Means of NumericalModel

G. RANIER1, Polytechnic ofBari, Bari, Italy, and P. DE G1ROLAMO, UniversidadLa Sapienza, Rome, Italy 707

A Generalized Method for Characterizing Tidal Flushing in a Semi-Enclosed BasinP. TKALICH and CHARNG-NING CHEN, National University of Singapore,Singapore 775

Numerical Model for River Mouth Sand-Bar Flushing5. EGASHIRA, H.S. JIN, and H. NAKAGAWA, Ritsumeikan University, Shiga,Japan 779

Multi-Layer Simulation of Sediment Transport Around a BreakwaterONYX W.H. WAI, YONG-CAN CHEN, and QIMIAO LU, The Hong KongPolytechnic University, Kowloon, Hong Kong 725

Numerical Simulation of Morphological Change Due to Several Floods in aEstuary With Large Sand Bars

K01CH1 SUZUKI and HIR0N0R1YAMAMOTO, Ehime University, Matsuyama,Japan 757

Flushing Time in Estuaries: A Method for Quantification With Unknown Amountof Freshwater Input

Q1ZHONG GUO, Rutgers University, Piscataway, NJ 737

Session B.12ENVIRONMENTAL FLOW MODELLING AND MODELVERIFICATION/REFINEMENT

Sponsor: ASCE Committee on Computational HydraulicsConvenor: Sam S. Y. Wang, University of Mississippi, USA

Linear Stability of Incompressible Fluid Flow Using Finite Element MethodYAN DING and MUTSUTO KAWAHARA, Chuo University, Tokyo, Japan 743

Dye Tracing Experiment in the Seine River and its Numerical SimulationJ.M. TANGUY, B. N. ZHANG, K. MEFTAH, Universite de Technologie de Compiegne,Compiegne, France, and L SIMON, CERGRENE, Marne-la-Vallee, France 749

Iterative Calibration of Hydrodynamic and Temperature Models-Application to theSacramento River

M1CHEAL L DEAS and GERALD T. ORLOB, University of California,Davis, CA 755

Genetic Algorithm Approach of Parameter Optimization for the Moisture andContaminant Transport Problem in Partially Saturated Porous Media

A.W. JAYAWARDENA, D.A.K. FERNANDO, andP.B.G. DISSANAYAKE,The University of Hong Kong, Hong Kong 767

Research on the Application of Numerical Simulation in Water Channel DesignYO KUMAGl, Tohoku Electric Power Co. Ltd., Sendai, Japan 767

Semi-Implicit, Numerical Schemes for 3-D Flow ModelingP.E. SMITH, U.S. Geological Survey, Sacramento, CA, and B.E. LAROCK,University of California, Davis, CA 773

Three-Dimensional Calculation of River FlowWEIM1NG WU, WOLFGANG RODI, University of Karlsruhe, Karlsruhe, Germany,and THOMAS WENKA, Federal Waterway Engineering and Research Institute,Karlsruhe, Germany 779

Turbulence Modelling of Secondary Tide Induced Circulation in RectangularHarbours

H. HAKIMZADEH and R.A. FALCONER, University of Bradford,West Yorkshire, UK 785

Oscillatory Shallow-Water Flow Around a Conical HeadlandP.M. LLOYD, P.K. STANSBY, D. CHEN, University of Manchester, Manchester, UK,J. YIN, Y. CHEN, University of Bradford, Bradford, UK, AND R.A. FALCONER,University of Manchester, Manchester, UK 797

Mass Transport Computation in Shallow Turbulent Flows Using the LagrangianSecond Moment Method

S. BABARUTSI and M. NASSIR1, McGill University, Montreal, Canada 797

Numerical Modelling of Solute Transport in a Compound ChannelK. SHIONO, D.J. KEARNEY, and T. FENG, Loughborough University,Leicestershire, UK 803

Three-Dimensional Modeling of Compound Channels with Vegetated Flood PlainsFRANCISCO J. SIMOES and SAM S.-Y. WANG, University of Mississippi,University, MS 809

An Optimal Design of Field Data Collection for Improving NumericalHydrodynamic Model Verification

BERNARD B. HSIEH, US Army Engineer Waterways Experiment Station,Vicksburg, MS 815

Validation Test-Cases for Dam-Break ModelsA. PETITJEAN, J.M. HERVOUET, and N. GOUTAL, Electricite de France,Chatou, France 821

Validation of a Three-Dimensional Numerical Model Using Field Measurements ina Large Scale River Reach

EHABA. MESELHE and LARRY J. WEBER, University of Iowa, Iowa City, IA .827

Extension and Validation of the MAC3D Numerical Model for ApplicationsInvolving Bubble Diffusers

ROBERTS. BERNARD, US Army Engineer Waterways Experiment Station,Vwksburg, MS 833

Preliminary Verification of a 3D Hydrodynamic Model of the San Juan EstuarineSystem

KEU W. KIM, BILLY H. JOHNSON, and JOSE SANCHEZ, US Army EngineerWaterways Experiment Station, Vicksburg, MS 839

Verification of a Coupled 3D Chesapeake Bay and Shelf Hydrodynamic ModelBILLYH. JOHNSON and HARRY V. WANG, US Army Engineer WaterwaysExperiment Station, Vicksburg, MS 846

Verification and Refinement of a Free Surface Flow ModelSAMS.Y. WANG and YAFEIJ1A, University of Mississippi, University, MS . . . .853

Session B.13HYDROINFORMATICS IN ENVIRONMENTAL HYDRAULICS

Sponsor: IAHR Section 1.2 HydroinformaticsConvenor: Michael B. Abbott, International Institute for Hydraulic andEnvironmental Engineering, The Netherlands

Engine 2000: Researches Into the Next Generation of Computational HydraulicModelling

M.B. ABBOTT, Infrastructure Hydraulics Environment, Delft, The Netherlands .859

An Application of Artificial Neural Networks in Computational HydraulicsVLADAN BABOVIC, Danish Hydraulic Institute, H0rsholm, Denmark, andNATHALIE BARTOL1, Institut National des Sciences Apliquees de Toulouse,Toulouse, France 865

Intelligent-Agent-Based Models as Answer to Challenges of Ecological ModellingVLADAN BABOVIC, Danish Hydraulic Institute, H0rsholm, Denmark 871

GEO-HYMS: Lake Hydrodynamic/Mass Transport Modeling in a GIS-BasedWindow Environment

T. HAYASHIDA, J.F.ATKINSON, J.V. DEPINTO, and R.R. RUMER, University ofBuffalo, Buffalo, NY - 877

A Modelling System for Estimation of Impacts on Fish HabitatKNUT ALFREDSEN, The Norwegian University of Science and Technology,Trondheim, Norway 883

Session B.14COASTAL ZONE AND WETLANDS

Sponsor: IAHR Section III.2 Maritime HydraulicsConvenor: Etienne Mansard, National Research Council, Canada

Wave Transmission Through Coastal WetlandsKEVIN R. HALL Queens University, Ontario, Canada, and JAR1T. SILANDER,Helsinki University of Technology, Finland 889

Management of High Lake Okeechobee Stages-1994/95RONALD L MIERAU, South Florida Water Management District, West PalmBeach, FL 895

Physical Modeling of Constructed Wetlands for Wastewater TreatmentJOEL A. BIEDERMAN and OTTO R. STEIN, Montana State University,Bozeman, MT 907

Saturated/Unsaturated Subsurface Flow and Salinity Transport Using Method ofLines

M.S. GREENBLATTand R.J. SOBEY, University of California, Berkeley, CA . . .907

Resistance to Flow Through Riparian WetlandsCLAYTON HODGES, PANAYIOTIS DIPLAS, and TAMIM YOUNOS, VirginiaPolytechnic Institute and State University, Blacksburg, VA 975

Session B.1SCLIMATIC EFFECTS ON SURFACE WATER FLOWS AND QUALITY

Sponsor: ASCE Task Committee on Climate Effects on Lake HydrodynamicsConvenor: David Lam, National Water Research Institute, Canada

Climate Change Impact on Hydrology and Lake Thermal StructureWILLIAM M. SCHERTZER, Environment Canada, Ontario, Canada, andTHOMAS E. CROLEYII, National Oceanic & Atmospheric Administration,Ann Arbor, MI 979

Recent Advances in Hydrodynamic Modeling of the Great LakesDMITRY BELETSKY, University of Michigan, Ann Arbor, MI, KWANG K. LEE,University of Wisconsin-Milwaukee, Milwaukee, WI, and DAVID J. SCHWAB,NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 925

Effects of Climate Change on Water Quality of Large LakesJOSEPH F. ATKINSON and JOSEPH V. DEPINTO, State University of New York,Buffalo, New York 957

Air-Water Interaction, Spectral Analysis of Storm Waves and Marine WeatherForecasts. The Case of the Parsifal

xxii

ALESSANDRO PEZZOLI, GIANNANTONIO PEZZOLI, Politecnico di Torino,Turin, Italy, andACHlLLE PENNELLATORE, Meteorological Observatory ofPortosole Saremo, Sanremo, Italy 937

Joint Hydrodynamic Model of the Delta and Mouth Off-Shore Zone of the UralRiver

V.F. POLONSKY, S.Y. KASYANOV, and Y.G. FILIPPOV, State OceanographyInstitute, Moscow, Russia 943

Session B.18MORPHOLOGICAL PROCESSES IN RIVERS

Sponsor: IAHR Section III. 1 Fluvial HydraulicsConvenor: G. Di Silvio, Universitd degli Studi di Padova, Italy

Flood Channel Facility: Experiments in Two-Stage Mobile Boundary Channels7. BENSON, E.M. VALENTINE, C. NALLUR1, and J.C. BATHURST, University ofNewcastle upon Tyne, Newcastle upon Tyne, UK 949

Appraisal of a Geometric Model for Self-Formed Channels in Uniform Sand "K.K. BABAEYAN-KOOPAEI and E.M. VALENTINE, University of Newcastle uponTyne, Newcastle upon Tyne, UK 955

Morphological and Sedimentation Processes at Meandering FlumesLEVENTYILMAZ, Technical University of Istanbul, Istanbul, Turkey 967

An Introduction to a New Theory of the Origin of MeanderingGUINEVERE NALDER, Design Power New Zealand Limited, Wellington,New Zealand 967

Analysis of Stability of River Network Geomorphologic Parameters Using DEMData of Japanese Catchments

DAWEN YANG, SRIKANTHA HERATH, and KATUM1MUSIAKE, University ofTokyo, Tokyo, Japan 973

River Classification by Regime TheoryN. GENDREAU and P. RAMEZ Cemagref, Lyon, France 979

Assessment of an Updated Rational Regime TheoryK. BABAEYAN-KOOPAEI and E.M. VALENTINE, University of Newcastle uponTyne, Newcastle upon Tyne, UK 985

Classification of Ripples and Dunes in the Lower Flow RegimeK. WATANABE, Saga University, Saga, Japan, H.M. NAGY, Alexandria University,

Alexandria, Egypt, and M. HIRANO, Kyushu University, Fukuoka, Japan 997

Regime Analysis of the Rio Grande in the Upper Reaches of Elephant Butte

xxiii

ReservoirCASSIE C. KLUMPP, U. S. Bureau of Reclamation, Denver, CO 997

The Influence of Fluvial Morphology on Minimum Instream FlowV.A. COPERTINO, A. DE VINCENZO, V. TELESCA, and R. VIPARELL1, Universityof Basilicata, Potenza, Italy 7005

On Stable Alluvial Channels: A Variational ApproachH.M.J. ROR1NK-HEERINK, E. VAN GROESEN, and H.J. DE VR1END, UniversityofTwente, Enschede, The Netherlands 7005

Widths, Slopes and Bank Stability of Channels in RegimeSHUYOU CAO, Sichuan Union University, Sichuan, China 7074

Biogenic Sediment StabilizationVOLKER SPORK and JURGEN KONGETER, Aachen University of Technology,Aachen, Germany 7020

The Geomorphic Influence of Bank Revetment on Channel Migration:Upper Sacramento River, Miles 218-206

ERIC W. LARSEN, GEOFFREY SCHLADOW, and JEFFREY F. MOUNT,University of California, Davis, CA 7026

Sediment Transport in a Gravel Bed Channel During Overbank FlowALANERVINE, CHRIS FULLER, and GARY PENDER, University of Glasgow,Glasgow, UK 7057

Barchan-Ripples: Emergence, Evolution and Flow-Sediment InteractionsYARKO NINO and MANUEL BARAHONA, University of Chile,Santiago, Chile 7037

About the Interference of Two Following Mining Pits in Erodible Bed UnderSteady Flow

G. BIANCO andA.C. GADIN, Polytechnic of Torino, Torino, Italy 7045

Performance of In-Stream Boulder Clusters in a Cobble-Bed RiverS.F. BOELMANand O.R. STEIN, Montana State University, Bozeman, MT .. .1049

Session B.19SAN FRANCISCO BAY-DELTA AREA STUDIES

Sponsor: ASCE Committee on Design, Operation, and Maintenance of Irrigationand Drainage SystemsConvenors: Lowell Ploss, U.S. Bureau of Reclamation, and David Schoellhamer,U.S. Geological Survey

The Politics of Achieving Consensus on the Bay Delta

RITA SCHMIDT SUDMAN, Water Education Foundation, Sacramento, CA . . .1055

The 1994 Bay-Delta Accord: An Urban Water Supplier's PerspectiveGREGORY GARTRELL, Contra Costa Water District, Concord, CA 7067

Bay Delta-Implications on Project OperationsLOWELL F. PLOSS, Bureau of Reclamation, Sacramento, CA 7066

The CALFED Bay-Delta Program: Protecting California's Primary Water SourceLESTER A. SNOW, CALFED Bay-Delta Program, Sacramento, CA 7072

Environmental Transport in the Sacramento San Joaquin DeltaFRANCIS CHUNG and TARA SMITH, California Department of Water Resources,Sacramento, CA 1078

Linking Hydrodynamic, Water Quality, and Ecological Models to Simulate AquaticEcosystem Response to Stress: Case Study of Juvenile Salmon Migration in theSacramento River and San Francisco Bay/Delta System

JAMIE D. ANDERSON, GERALD T. ORLOB, and IAN P. KING, University ofCalifornia, Davis, CA 7054

Near Bottom Velocity and Suspended Solids Measurements in San FranciscoBay, CA

JEFFREY W. GARTNER, RALPH T. CHENG, DAVID A. CACCHIONE, andGEORGE B. TATE, U. S. Geological Survey, Menlo Park CA 7090

A Sediment Transport Pathway in the Back of a Nearly SemienclosedSubembayment of San Francisco Bay, California

JOHN C. WARNER, DAVID H. SCHOELLHAMER, and JON R. BURAU,U. S. Geological Survey, Sacramento, CA 7096

Observations of Turbulent Mixing and Shear in a Partially Stratified EstuaryMARK T. STACEY, STEPHEN G. MONISMITH, and JON R. BURAU, StanfordUniversity, Stanford, CA 7702

Stratification and Turbulence Over a Tidal Cycle in Northern San Francisco BayJESSICA R. LACY, Stanford University, Palo Alto, CA, MARK T. STACEY, DFI,Menlo Park, CA, STEPHEN G. MONISMITH, and JON R. BURAU, StanfordUniversity, Palo Alto, CA 7705

Session B.22CHEMICAL AND OIL SPILLS

Sponsor: ASCE Committee on Environmental HydraulicsConvenor: Poojitha Yapa, Clarkson University, USA

Aqueous Concentrations Resulting from Oil Spills on Rivers

DAVID E. HIBBS and JOHN S. GULLIVER, University of Minnesota,Minneapolis, MN 7774

OSCAR: A Tool for Strategic Analysis of Oil Spill Response AlternativesMARK REED, OLE MORTEN AAMO, and PER S. DAL1NG, S1NTEFEnvironmental Chemistry, Trondheim, Norway 7720

Simulation of Oil Spills From Deep Water Blow-OutsLI ZHENG andPOOJITHA D. YAPA, Clarkson University, Potsdam, NY 7726

Oil Removal From the Beaches: An Experimental StudyPOOJITHA D. YAPA and TOMONAO KOBAYASH1, Clarkson University,Potsdam, NY 7752

Modeling the Fate and Transport of Emulsion Fuels Spilled in MarineEnvironments

H. MURAT CEKIRGE, Florida State University, Tallahassee, FL, and STEVEN LPALMER, Florida Department of Environmental Protection, Tallahassee, FL . .1138

Session B.23MOBILE-BED COMPUTATIONAL HYDRAULICS

Routing of Tailings in a Stream ChannelHOWARD H. CHANG, San Diego State University, San Diego, CA 7744

Numerical Modeling of Mobile-Bed Evolution Incorporated with 3-D Flow ModelB.Y. LIU, The NEWJEC Inc., Osaka, Japan, H.S. JIN, Ritsumeikan University,Shiga, Japan, andS. EGASH1RA, The NEWJEC, Inc., Osaka, Japan 7750

Modeling of Sediment Dynamics at River DiversionBRAD HALL, US Army Engineer Waterways Experiment Station, Vicksburg, MS,and DAN GESSLER, Colorado State University, Fort Collins, CO 7756

Use of a Numerical Hydrodynamic Model for Variable Sediment TransportAnalyses

BERNARDO DOMINGUEZ, Pontificia Universidad Catolica de Chile, Santiago,Chile, LUIS ESTELLE, Instituto Nacional de Hirdrdulica, Chile, BENOIT LEGUENNEC, IMFT, Institut National Polytechnique de Toulouse, France,and HU SHENG LIN, CERGRENE, Ecole Nationale des Ponts etChaussees, France 7762

A Model for River Morphology and Sewer NetworkA. PAQUIER, P. BALAYN, Cemagref, Lyon, France, and N. Gendreau, CemagrefLyon, France 7767

Using Artificial Neural Networks in Meandering Compound Channels

xxvi

BREAC MACLEOD and ALAN ERVINE, University of Glasgow,Glasgow, UK 7773

Discrete Computer Simulations of Ripple Emergence and EvolutionYARKO NINO and ALONSO ATALA, University of Chile, Santiago, Chile 7779

Numerical Simulation of the Pit MigrationHO-CHENG UEN, KEH-CHIA YEH, and JINN-CHUANG YANG, National ChiaoTung University, Taiwan, R.O.C. 7755

Inverse Modelling of Sediment TransportHENK VAN DEN BOOGAARD, Delft Hydraulics, Delft, The Netherlands, andHERMAN MULDER, Rijkswaterstaat/Rikz, Haren, The Netherlands 7797

Session B.24SEDIMENT TRANSPORT MECHANICS AND MODELLING

Probability Concepts in Sediment Transport MechanicsFABIAN LOPEZ and MARCELO GARCIA, University of Illinois atUrbana-Champaign, Urbana, IL 7797

Entropy-Based Modeling and Measurement of Sediment ConcentrationCHAO-LIN CHIU and WEIX1A JIN, University of Pittsburgh, Pittsburgh, PA . .1203

Conditional Sampling Analysis on Coherent Vortices in Unsteady Open-ChannelFlows Over Dune Bed

1EHISA NEZU, AKIHIRO KADOTA, HIDEKISHINBASHI, and MASA-AKIKURATA, Kyoto University, Kyoto, Japan 7209

Turbulent Bursting-Based Formulation of Suspended Sediment Transport CapacityZHIXIAN CAO, Tianjin University, Tianjin, China 7275

Particle Velocity Profiles in the Lower Part of the Sheet-Flow LayerP. DONG, University of Dundee, Dundee, UK 7227

Research on the Motion of Uniform and Non-Uniform Sediments in Two-StageChannels

7?. BETTESS, HR Wallingford, Oxfordshire, England 7227

Effect of Bedload Movement on Flow ResistanceT. SONG and Y.M. CHIEW, Nanyang Technological University, Singapore . . . .1233

Laboratory Study of Suspended-Sediment Transport in Ice-Cover FlowFLORIN BRAILEANU, ROBERT ETTEMA, and MARIAN MUSTE, University ofIowa, Iowa City, IA 7239

Headcut Advance in Stratified SoilsDEAN A. LATRAYand OTTO R. STEIN, Montana State University,Bozeman, MT 7245

Influence of a Sheet Erosion Control System on Sediment Quality in an AridCatchment

M. NOUH, Sultan Qaboos University, Muscat, Oman 7250

Linear Analysis of Coupled Equations for Sediment TransportYANTAO CUIAND GARY PARKER, University of Minnesota,Minneapolis, MN 7256

A Continuum Theory for Evolution of Soft Sediment Beds with Application toSediment Dynamics

R.S. GOVINDARAJU, Kansas State University, Manhattan, KS, PL. SHRESTHA,Hydroqual Inc., Mahwah, NJ, and LC. ROIG, WaterwaysExperiment Station, Vicksburg, MS 7262

Wall Functions for the Calculation of Turbulent 3-D Sediment Transport in OpenChannels

DANNAOT, Center for Technologic Education, Holon, Israel, and IEHISA NEZU,Kyoto University, Kyoto, Japan 7265

K-E Model Computations of the Flow in Rotating Annular FlumesROBERT BOO1J, Delft University of Technology, Delft, The Netherlands 7274

An Accurate Solver for 3-D Suspended Sediment Dispersion in Tidal FlowP.K. STANSBY, University of Manchester, Manchester, UK 7250

Limitations of Advective Transport Calculations in RiversS.G. WALUS, Heriot-Watt University, Edinburgh, UK, and J.R. MANSON,Bucknell University, Lewisburg, PA 7256

Modelling Sediment Fluxes in Large CatchmentsP.F. CRAPPER and C.J. BARNES, CS1RO Division of Water Resources,Canberra, Australia 7292

Numerical Simulation of Granular Assembles Flowing on a SlopeH1TOSH1GOTOH and TETSUO SAKA1, Kyoto University, Kyoto, Japan 7295

Measurement of Bed Configurations Under FloodsTETSUO UENO, Kyoto University, Kyoto, Japan, TADASHI UTAMI, WakayamaUniversity, Wakayama, Japan, and RYOSAKU KINOSHITA, Tokyo, Japan 7304

A Simulation Model for Flow and Sediment Transport in a Concrete SteepChannel

JOSEL LOPEZ and MARCO A. FALCON, Universidad Central de Venezuela,

xxviii

Caracas, Venezuela 7570

Session B.25COASTAL WAVES AND STRUCTURES

Sponsor: IAHR Section III. 2 Maritime HydraulicsConvenor: Etienne Mansard, National Research Council, Canada

TOMAWAC: A Prediction Model for Offshore and Nearshore Storm WavesMICHEL BENOIT, FREDERIC MARCOS, and FRANCOISE BECQ,EDF-Laboratoire National d'Hydraulique, Chatou, France 7576

GMRES Solution of the Mild-Slope Equation on Quadtree GridsA.G.L BORTHWICK, K.F.C. YIU, University of Oxford, Oxford, UK, andK. ANASTASIOU, Imperial College, London, UK 7522

On the Covariance of the Velocity Components in a Wave FieldLEONARDO DAMIANI and MICHELE MOSSA, Politecnico di Bari, Bari,Italy 7325

Resonant Excitation of Internal Waves by a Surface WaveM. JAMAL1, The University of British Columbia, Vancouver, Canada 7354

Statistics of Maximum and Conditional Run of Sea Wave Groups in the PortugueseWest Coast

ANTdNIO A. P1RES-SILVA, Technical University of Lisbon, LISBOA CODEX,Portugal, and JOSEP R. MEDINA, Universidad Politecnica de Valencia, Valencia,Spain 7540

Effects of Bottom Steepness on Long-Period WavesHARSH1NIE KARUNARATHNA, University ofMoratuwa, Moratuwa, Sri Lanka,KATSUTOSHITAN1MOTO, Saitama University, Saitama, Japan 7546

Design Aspects of GeocontainersKRYSTIANW. PILARCZYK, Rijkswaterstaat, Delft, The Netherlands 7552

Field and Experimental Study on Countermeasure to Long Period WaveTETSUYA HIRAISH1 and HIDEYOSHIFUJ1SAKU, Ministry of Transport,Yokosuka, Japan 7560

VOFbreak2, A Numerical Model for Simulation of Wave Interaction with RubbleMound Breakwaters

PETER TROCH, University of Ghent, Ghent, Belgium 7566

Characteristics of Flow Over Submerged BreakwatersTV. CHRISTIANSEN, MM ABDULLAH, K.H.M. ALI, andB.A. O'CONNOR,University of Liverpool, Liverpool, UK 7572

xxix

Session B.26FLOW-SEDIMENT-VEGETATION INTERACTION

Degradation Affected by Development of Vegetation ZoneTETSURO TSUJIMOTO and NORIKO HORIKAWA, Kanazawa University,Kanazawa, Japan 7575

Suspended Sediment Concentration Affected by Organized Motion Near VegetationZone

YOSHIHIKO SHIMIZU, Gunma University, Kiryu, Japan, and TETSUROTSUJIMOTO, Kanazawa University, Kanazawa, Japan 7554

Seasonal Variation in River Channel Hydraulic RoughnessR.H.J. SELLIN, J. KEAST, University of Bristol, Bristol, UK, and D. VANBEESTEN, Environment Agency, Bristol, UK 7590

Bed-Load Rate on Movable Beds Covered by VegetationTAKESHI OKABE, Tokushima University, Tokushima, Japan, TOYOKATSU YUUKI,Anan Technical College, Anon, Japan, and MAKIKOJIMA, Tokushima University,Tokushima, Japan 7596

Influence of Vegetation on Hydrogeomorphic Process of Alternating BarsTOYOKATSU YUUKI, Anan Technical College, Anan, Japan, and TAKESHIOKABE, Tokushima University, Tokushima, Japan 7402

Horizontal Structure of Flood Flow with Dense Vegetation Clusters Along MainChannel Banks

SHOJI FUKUOKA and AKIHIDE WATANABE, Hiroshima University,Higashi-Hiroshima, Japan 7405

Cylindrical Barrel Seaweed for Control of Sediment Transport Under WavesTOMONAO KOBAYASHI, KEN-ICHIINAGAKI, RIE HAYASAKA, Tokyo RikaUniversity, Chiba, Japan, and EIZO NAKAZA, Ryukyu University, Okinawa,Japan 7474

Using Modeling to Investigate Impacts of Grass Waterway on Water QualityALLEN HJELMFELT, USDA-Agricultural Research Service, Columbia, MO, andMENGHUA WANG, University of Missouri, Columbia, MO 7420

Session B.27GRAIN SORTING IN ALLUVIAL SYSTEMS

Sponsor: IAHR Section III.l Fluvial HydraulicsConvenor: G. Di Silvio, Universitd degli Studi di Padova, Italy

Grain Sorting in Meander BendsPIERRE Y. JULIEN, Colorado State University, Fort Collins, CO, S. KAWA1,Maizuru College of Technology, Kyoto, Japan, and DEBORAH J. ANTHONY,Colorado State University, Fort Collins, CO 7426

Effect of Sediment Sorting on Geomorphologic Characteristics of Alternate Bars77. TAKEBAYASHI, S. EGASHIRA, and H.S. JIN, Ritsumeikan University, Shiga,Japan 7455

Sediment Sorting in Meandering RiversMASATO SEKINE, Waseda University. Tokyo, Japan 7459

Finite Amplitude Scour and Grain Sorting in Wide Channel BendsG. SEMINARA, L. SOLARI, Universitd di Genova, Genova, Italy, and M. TUBINO,Universit- di Trento, Trento, Italy 7445

Bedload Grain-Size Distributions in Degradational Armouring ExperimentsT.B. HOEY, G. PENDER, and C. FULLER, University of Glasgow,Glasgow, UK 7457

Discrete Particle Modelling of Grain Sorting During Bedload TransportBARRY JEFCOATE and IAN MCEWAN, University of Aberdeen,Aberdeen, UK 7457

Sediment Sorting Near Vegetation Zone Along a StreamTETSURO TSUJIMOTO, Kanazawa University, Kanazawa, Japan 7465

Sediment Flux, Grain Sorting and the Bed ConditionANTHONY BROWN and BRIAN WILLETTS, University of Aberdeen,Aberdeen, UK , 7469

Fractionwise Sediment Transport Calculation in Case of Erosion or AggradationRON1HUNZIKER, Hunziker Engineering, Aarau, Switzerland, and MARTIN N.R.JAEGGI, Consulting River Engineer, Ebmatingen, Switzerland 7475

A Simple Bed Armouring Algorithm for Graded Sediment Routing in RiversG.77. AKBAR1, PR. WORMLEATON, andA.R. GHUMMAN, University of London,London, UK 7457

Sampling Non-Uniform Gravels Exhibiting Spatial VariabilityD.W. CROWDER and P. DIPLAS, Virginia Polytechnic Institute and StateUniversity, Blacksburg, VA 7457

On the Competitive Effects of Particle Re-Arrangement and Vertical SortingANDREA MARION, University of Padua, Padova, Italy, IAN MCEWAN,University of Aberdeen, Aberdeen, UK, and SIMON TAIT, University of Sheffield,Sheffield, UK 7495

Bedload Sediment Rating by Particle SizeDOUGLAS B. MOOG and PETER J. WHITING, Case Western Reserve University,Cleveland, OH 7499

Study on Incipient Motion of Bed Material with a Wide Size DistributionDUO FANG and MINGHONG JING, Chengdu University of Science andTechnology, Sichuan, China 7505

Simulation of Suspended-Load Transport for Sediment MixturesYICHUN XU and BERNHARD WESTRICH, University of Stuttgart, Stuttgart,Germany 7577

Session B.28THERMAL REGIME IN WATERWAYS

Analysis of Summer River Temperature Variations with StreamflowRUOCHUAN GU, Iowa State University, Ames, IA 7577

Experimental Study on Heated Effluent Discharge in a Cross FlowH1N-FATT CHEONG, TV. JOTH1SHANKAR, and ZENGXIANG ZHAO,The National University of Singapore, Singapore 7523

Diurnal Temperature Variation in the Sacramento River, CaliforniaCYNTHIA L LOWNEYand GERALD T. ORLOB, University of California,Davis, CA 7529

Temporal Variations of Temperature in the Sacramento RiverWILLIAM R. GROSS and S. GEOFFREY SCHLADOW, University of California,Davis, CA 7535

Thermal-Saline Jets with Reversing BuoyancyHUA ZHANG and RAOUF E. BADDOUR, The University of Western Ontario,London, Canada 7547

Subject Index .7553

Author Index 1563