Technical
Report Series in EWR
Publications and Technical Reports: Scott A. Wells
PUBLICATIONS:
Wells, S. A. and Gordon, J. A. (1980) "A Three-Dimensional Field
Evaluation and Analysis of Water Quality-Management and Modeling Implications
of the Third Dimension," in Surface Water Impoundments, ed. by H.G.
Stefan, A.S.C.E.,
Wells, S. A. (1981) Review of Land into Water-Water into Land, Water
Resources Bulletin, Vol. 17, No. 5, 907-908.
Wells, S. A. (1981) Review of Potable Water from Wastewater, Water
Resources Bulletin, Vol. 17, No. 6, 1095-1096.
Wells, S. A. and Gordon, J. A. (1982) "Geometric Variations in
Reservoir Water Quality," Water Resources Bulletin, Vol. 18, No. 4,
661-670.
Wells, S. A. (1982) Review of Surface Water Impoundments, Water Resources
Bulletin, Vol. 18, No. 5, 895-986.
Wells, S. A., Adams, E. E., and Harleman, D. R. F. (1982) "Calibration
and Verification of the Cooling Lake Model for North Anna Power Station,"
Technical Report 272, R.M. Parsons Laboratory, Department of Civil Engineering,
M.I.T., 245 pages.
Adams, E. E. and Wells, S. A. (1984) "Field Measurements on Side Arms
of
Adams, E. E., Wells, S. A. and Ho, E. K. (1987) "Vertical Diffusion in
a Stratified Cooling
Wells, S. A. (1987) "Discussion of 'Model for Winter Heat Loss in
Uncovered Clarifiers'," Journal of Environmental Engineering,
A.S.C.E., Vol. 113, No. 5, 1178-1180.
Dick, R. I., Wells, S. A. and Bierck, B. R. (1988) "A Note on the Role
of Capillary Forces in Compressible Cake Filtration," Fluid/Particle
Separation Journal, Vol. 1, No. 1, 32-34.
Wells, S. A. and Dick, R. I. (1988) "Synchrotron Radiation Evaluation
of Gravity Sedimentation Effects Prior to Dewatering," Proceedings
ASCE-CSCE National Conference on Environmental Engineering,
Bierck, B. R., Wells, S. A., and Dick, R. I. (1988) "Compressible Cake
Filtration: Monitoring Cake Formations Using X-Rays from a Synchrotron
Source," Water Pollution Control Federation Journal, Vol. 60, No.
5, 645-650.
Wells, S. A. (1988) "Discussion of 'Modeling Sediment-Induced Density
Currents in Sedimentation Basins,'" Journal of Hydraulic Engineering,
A.S.C.E., Vol. 114, 957, 958.
Wells, S. A. and Dick, R. I. (1989) "Mathematical Modeling of
Compressible Cake Filtration," Proceedings ASCE National
Environmental Engineering Conference,
Wells, S. A. and Dick, R. I. (1989) "Determination of Sludge
Characteristics for Modeling Compressible Cake Filtration," Proceedings
5th International Conference on Solid Wastes, Sludges and Residual Materials,
Wells, S. A. (1990) "Effect of Winter Heat Loss on Treatment Plant
Efficiency," Research Journal of the Water Pollution Control Federation,
Vol. 62, No. 1, 34-39.
Wells, S. A. (1990) "Determination of Sludge Properties for Modeling
Compressible Cake Filtration from Specific Resistance Tests," Proceedings
A.S.C.E. National Environmental Engineering Conference,
Wells, S. A. and Sivakumaran, K. (1990) "Two-Dimensional Modeling of
Dewatering in a Belt-Filter Press," Proceedings A.S.C.E. National
Environmental Engineering Conference,
Wells, S. A. (1990) "Modeling of Sludge Dewatering Processes,"
Research Summary, Fluid/Particle Separation Journal, Vol. 3, No. 3,
September, 143-144.
Wells, S. A. (1991) "Two-Dimensional, Steady-State Modeling of Cake
Filtration in a Laterally Unconfined Domain," Fluid/Particle Separation
Journal, Vol. 4, No. 2, June, 107-116.
Wells, S. A. and Plaskett, J. H. (1992) "Modeling Compressible Cake
Filtration with Uncertainty," in Advances in Filtration and Separation
Technology : Separation Problems and the Environment, Volume 5, ed. by B.
Scheiner, American Filtration Society, pp. 351-354.
Wells, S. A. and Dick, R. I. (1992) "Synchrotron Radiation Measurements
of Degree of Saturation in Porous Matrix," A.S.C.E., Journal of
Engineering Mechanics, Vol. 118, No. 8, 1738-1744.
Wells, S. A. (1993) "Fluid/Particle Separation Modeling," Proceedings
American Filtration Society Education Conference,
Wells, S. A. and Dick, R. I. (1993) "Permeability, Solid and Liquid
Velocity, and Effective Stress Variations in Compressible Cake
Filtration," Proceedings, American Filtration Society Conference on
System Approach to Separation and Filtration Process Equipment, Chicago,
Illinois, May 3-6, pp. 9-12.
Karl, J. and Wells, S. A. (1995) "Modeling of Gravity Sedimentation in
One Dimension," in Advances in Filtration and Separation, Vol. 9,
ed. by K. Choi, American Filtration and Separations Society, pp. 400-410.
Berger, C. and Wells, S. A. (1995) "Effects of Management Strategies to
Improve Water Quality in the Tualatin River, Oregon," in Water
Resources Engineering, Vol. 2, ed. by W, Espey Jr. and P. Combs, ASCE,
1360-1364.
Wells, S. A. and Berger, C. J. (1995) "Management Strategies to Improve
Water Quality in the
Wells, S. A. (1995) "Management of the Water Quality of the North
Slough Adjacent to the
Wells, S. A. and Berger, C.(1995) "Management of the Water Quality of
the Upper and Lower Columbia Slough System," Proceedings First
Annual Pacific Northwest Water Issues and 1995 Pacific Northwest/Oceania
Conference,
Wells, S. A. (1996) "Mathematical
Modeling of a Plate-and-Frame-Press," in Advances in Filtration and
Separation Technology, Volume 10, ed. by B. Scheiner, American Filtrations
and Separations Society, pp. 376-381.
Wells, S. A. (1996) "Research Partnerships in Solid-Liquid Separation
Processes in a Civil Engineering Department," in Advances in Filtration
and Separation Technology, Volume 10, ed. by B. Scheiner, American
Filtrations and Separations Society, pp. 539-545.
Wells, S. A. (1996) 'Discussion of "Dynamic temperature changes in
wastewater treatment plants"', Water Environment Research, Vol 68,
pp. 143, 144.
Wells, S. A.; Berger, C. J., Abrams, M. (1996) "Winter Storm Event
Impacts on Dissolved Oxygen Levels in the
Wells, S. A., LaLiberte, D., Whelan, M. (1997) "Density Currents in
Sedimentation Tanks," in Advances in Filtration and Separation
Technology, Volume 11, ed. by E. Baumann and L. Weisert, American
Filtrations and Separations Society, pp. 507-512.
Wells, S. A. and LaLiberte, D. M. (1998) "Modeling
Density Currents in Circular Clarifiers", Fluid/Particle Separation
Journal, Vol 11, No. 1, 48-54.
Wells, S. A. and Savage, G. (1998) "Sedimentation Effects
Prior to Gravity Drainage," in Advances in Filtration and
Separation Technology, Volume 12, ed. By G. Chase, R. Herrera and K. Rubow,
American Filtrations and Separations Society, pp. 646-653.
Wells, S. A. and LaLiberte, D. M. (1998) " Winter Temperature
Gradients in Circular Tanks", Water Environment Research, Vol
70, No. 7, 1274-1279.
Makinia, J., Wells, S. A., Crawford, D., and Kulbik, M. (1998) "Application of
Mathematical Modeling and Computer Simulation for Solving Water Quality
Problems," Proceedings for the Fourth International Symposium
and Exhibition on Environmental Contamination in Central and Eastern Europe
Warsaw '98, Warsaw, Poland, August.
Wells, S. (1998) "Filtration
Modeling of a Plate-and-Frame-Press," Fluid/Particle Separation
Journal, 11(2),152-165.
Wells, S. and Berger, C. (1998) "Water Quality Impacts of Urban
Stormwater Runoff from the Portland International Airport on the Columbia
Slough," [in Polish], Proceedings Gdanska Fundacja Wody, Podczysczanie Wod
Opadowych Wymagania Formalnoprawne I Mozliwosci Technicne, Gdansk, Poland.
Makinia, J., Wells, S. A. (1999).Improvements in
Modelling Dissolved Oxygen in Activated Sludge Systems. Proceedings of the
8th IAWQ Conference on Design, Operation and Economics of Large Wastewater
Treatment Plants, 6-9 September 1999, 518-525.
Wells, S. (1999) "Analytical
Cake Filtration Modeling," in Advances in Filtration and Separation
Technology, Volume 12, ed. by W. Leung, American Filtrations and Separations
Society, pp.158-165.
Schwarz, T. and Wells, S. (1999) "Storm Water Particle
Removal using Cross-Flow Filtration and Sedimentation," in Advances in
Filtration and Separation Technology, Volume 12, ed. by W. Leung, American
Filtrations and Separations Society, pp.219-226.
Karl, J. and Wells, S. (1999) "One-Dimensional
Gravity Thickening/Sedimentation with Inertial Effects," Journal of
Environmental Engineering, ASCE, Vol 125, No. 9, 792-806.
Wells, S. A. (1999) "River Basin Modeling
Using CE-QUAL-W2," Proceedings International Water Resources
Engineering Conference, ASCE, Seattle, Wa, Aug.8-11.
Berger, C. and Wells, S. (1999) "Macrophyte Modeling
in the Columbia Slough," Proceedings International Water
Resources Engineering Conference, ASCE, Seattle, Wa, Aug.8-11.
Schwarz, T. and Wells, S. (1999) " Storm Water Particle Removal using a
Cross-Flow Filtration and Sedimentation Device," Fluid/Particle Separation
Journal, Vol 12, No. 3, 213-220.
Makinia, J. and Wells, S.
(2000) “A General Model of the Activated Sludge Reactor with Dispersive Flow:
Model Development and Parameter Estimation”, Water Research, 34(16),
3987-3996.
Makinia, J. and Wells, S.
(2000) "A General Model of the Activated Sludge Reactor with Dispersive
Flow: Model Verification and Application," Water Research, 34(16),
3997-4006.
Wells, S. A. (2000)
"Variation of Constitutive Model Formulation on Analytical Cake Filtration
Models," in Advances in Filtration and Separation Technology, Volume 13,
American Filtrations and Separations Society.
Wells, S. A. (2000)
"Hydrodynamic and Water Quality River Basin Modeling Using CE-QUAL-W2
Version 3," Development and Application of Computer Techniques to
Environmental Studies VIII, ed. G. Ibarra-Berastegi, C. Brebbia, P. Zannetti,
WIT Press, Boston, 195-204.
Wells, S. A. (2000)
"CE-QUAL-W2 Version 3: Hydrodynamic and Water Quality River Basin
Modeling," Proceedings, HydroInformatics 2000, IAHR, CDROM EW4.
Cole, T. and Wells, S.A.
(2000) “CE-QUAL-W2: A Two-Dimensional, Laterally Averaged, Hydrodynamic and
Water Quality Model, Version 3,” Instruction Report EL-2000-, USA Engineering
and Research Development Center, Waterways Experiment Station, Vicksburg, MS.
Cole, T. and Wells, S.A.
(2001) “CE-QUAL-W2: A Two-Dimensional, Laterally Averaged, Hydrodynamic and
Water Quality Model, Version 3.1,” Instruction Report EL-2001-, USA Engineering
and Research Development Center, Waterways Experiment Station, Vicksburg,
MS
Annear, R. and Wells, S.
(2002) "The Bull Run Reservoir River System Model," Research and
Extension Regional Water Quality Conference 2002 Proceedings on CD, Vancouver,
Washington.
Wells, S. (2002)
“Validation of the CE-QUAL-W2 Version 3 River Basin Hydrodynamic and Water
Quality Model,” Proceedings, HydroInformatics 2002, IAHR,
Wells, S. (2002) “Basis of the
CE-QUAL-W2 Version 3 River Basin Hydrodynamic and Water Quality Model,”
Proceedings, 2nd Federal InterAgency Hydrologic Modeling Conference, Las Vegas,
July 28-Aug 1, 2002.
Annear, R. and Wells, S.
(2002) “The Bull Run
River – Reservoir System Model,” Proceedings, 2nd Federal InterAgency
Hydrologic Modeling Conference,
Berger, C.; Annear, R. and
Wells, S. (2002) “Willamette River
and Columbia River Waster Load Allocation Model,” Proceedings, 2nd Federal
InterAgency Hydrologic Modeling Conference, Las Vegas, July 28-Aug 1, 2002.
TECHNICAL REPORTS:
Wells, S. A. (1979) "Non-Point Source Pollution in Center Hill
Lake," in "Water Quality Conditions in Center Hill Lake," ed. by
J. A. Gordon, Tennessee Technological University, Cookeville, Tennessee, 37
pages.
Gordon, J. A. and Wells, S. A. (1981) "A Three-Dimensional Field
Evaluation and Analysis of Water Quality in Two Reservoirs," Research
Report 79, O.W.R.T.,
Wells, S. A. and Dick, R. I. (1987) "Mechanisms of Compressible Cake
Filtration," CHESS Progress Report, Proposal No. 308, submitted to Cornell
High Energy Synchrotron Source (CHESS),
Wells, S. A. (1988) "Comments on CH2M HILL's Technical Memorandum for
Project PDX24781.A0.02 Dated June 8, 1988 concerning the Waybo Pit
Analysis," submitted to the Portland Water Bureau,
Wells, S. A. and Baird, B. (1989) "Streamflow Gaging Station Report:
Part I - Cost Option Summary," submitted to South Slough National
Estuarine Reserve, State of Oregon, Division of State Lands, Charleston,
Oregon, 19 pages.
Wells, S. A. and Staats, M. (1989) "Analysis of the Use of Aqualenc as
a Dewatering Aid for Sludge Conditioning: Part 1," submitted to
Rhone-Poulenc (Stauffer) Chemical Company,
Wells, S. A. and Staats, M. (1989) "Analysis of the Use of Aqualenc as
a Dewatering Aid for Sludge Conditioning: Part 2," submitted to
Rhone-Poulenc (Stauffer) Chemical Company,
Wells, S. A. (1989) "Preliminary Analysis of the Bay City Wastewater
Outfall into Tillamook Bay," submitted to Scientific Resources, Inc.,
Laliberte, D. and Wells, S. A. (1989) "Streamflow Gaging Station
Report: Part II - Gaging Station Design," submitted to South Slough
National Estuarine Reserve, State of Oregon, Division of State Lands,
Charleston, Oregon, 92 pages.
Wells, S. A. (1989) "Grading and Drainage Plan for 1N1 33AD, Lots 200,
202 and 300," submitted to Washington County Department of Land Use and
Transportation,
Wells, S. A. (1990) "Preliminary Analysis of the St. Helens' Wastewater
Discharge into the Columbia River," submitted to Linda Williams, Attorney,
Wells, S. A. and Staats, M. (1990) "Analysis of the Use of Aqualenc as
a Dewatering and Thickening Aid for the City of Portland's Wastewater
Sludges," Department of Civil Engineering, Portland State University,
Final report submitted to Rhone Poulenc (Stauffer) Chemical Company, Portland,
Oregon, 133 pages.
Wells, S. A. (1990) "Analysis of Baffles for the Leaburg Power Canal
Fish Screens," submitted to OBEC Consulting Engineers,
Wells, S. A. and Staats, M. E. (1990) "Evaluation of Aqualenc as a
Dewatering and Thickening Agent," Department of Civil Engineering,
Portland State University, Final report to Rhone-Poulenc Chemical Company,
Shelton, Connecticut, 86 pages.
Wells, S. A. and Staats, M. E. (1990) "Preliminary Analysis of
Dewatering Properties of Weyerhaeuser Oxidation Lagoon Sludge Using Liquid
Polymer and Aqualenc," Technical Report, Department of Civil Engineering,
Portland State University, Portland, Oregon, 20 pages.
Laliberte, D. M. and Wells, S. A. (1991) "Effects of Downstream Baffles
on Velocities through Fish Screens at the Leaburg Power Canal Facility,"
submitted to Eugene Water and Electric Board, Eugene, Oregon, 96 pages.
Wells, S. A. (1992) "Assessment of Management Alternatives for Water
Quality Improvement in the Columbia Slough System," Volumes 1 and 2,
Technical Report EWR-001-92, Department of Civil Engineering, Portland State
University, Portland, Oregon, 300 pages.
Wells, S. A. (1992) "Lower Columbia Slough Field Data Summaries -
August 1990 through June 1991, "Technical Report EWR-002-92, Department of
Civil Engineering, Portland State University, Portland, Oregon, 165 pages.
Wells, S. A. (1992) "User's Manual for the Columbia Slough Model Using
CE-QUAL-W2," Technical Report EWR-003-92, Department of Civil Engineering,
Portland State University, Portland, Oregon, 30 pages.
Collins, D. and Wells, S. (1992) "St. John's Landfill and Columbia
Slough System Water Quality Database," Technical Report EWR-006-92,
Department of Civil Engineering, Portland State University, Portland, Oregon,
58 pages.
Wells, S. A. and Baird, B. (1992) "Field Survey Data Summaries, South
Slough, Oregon, July 1989 through September 1990," Technical Report
EWR-007-92, Department of Civil Engineering, Portland State University, NOAA
Grant NA89AA-D-CZ047, MEMD Division, 117 pages.
Wells, S. A. (1992) "Modeling Groundwater Levels for the Lorella Pumped
Storage Project," submitted to Cornforth Consultants, Inc.,
Wells, S. A. (1992) "Modeling the Effects of the Discharge from the
Ramsey Lake Wetland Treatment System on the Lower Columbia Slough,"
submitted to Scientific Resources, Inc.,
Wells, S. A. (1992) "Preliminary Analysis of Leachate Migration from
the USA Temporary Sludge Storage Facility," submitted to Unified Sewerage
Agency of Washington County,
Wells, S. A. (1992) "Assessment of Management Alternatives for
Improving Water Quality in North Slough Adjacent to the St. John's
Landfill," Technical Report EWR-008-92, Department of Civil Engineering,
Portland, Oregon, 74 pages.
Wells, S. A., Berger, C., and Knutson, M. (1992) "Modeling the Tualatin
River System including Scoggins Creek and Hagg Lake: Model Description,
Geometry, and Forcing Data," Technical Report EWR-012-92, Department of
Civil Engineering, Portland State University, Portland, Oregon, 90 pages.
Wells, S. A. (1993) "Upper and Lower Columbia Slough Field Data
Summaries from July 1992 through December 1992: Continuous and Synoptic
Hydrolab and Continuous Gaging Station Data," prepared for HDR Engineering
and City of
Wells, S. A., Berger, C., and Staats, M. E. (1993) "Hydraulic and Water
Quality Modeling of the Upper Columbia Slough: Model Description, Geometry, and
Forcing Data," prepared for HDR Engineering and City of
Wells, S. A., Berger, C. (1993) "Hydraulic and Water Quality Modeling
of the Upper Columbia Slough: Model Calibration, Verification, and Management
Alternatives Report," prepared for HDR Engineering and City of
Whitaker, D. K. and Wells, S. A. (1993) "Evaluation of Temperature and
Conductivity Trends in Wells D1B, D2B, E2D, D6A, D6C, D7A, and D8A at the St.
John's Landfill," Technical Report, Department of Civil Engineering,
Portland State University, Portland, Oregon, 57 pages.
Wells, S. A. (1994) "Water Quality Modeling of the Dnieper River,
Ukraine," Technical Report, Department of Civil Engineering, Portland
State University and Ukrainian State University of Food Technology, Kiev, Ukraine,
46 pages.
Wells, S. A. (1994) "Plate and Frame Filter Press Dewatering
Modeling," Technical Report, Department of Civil Engineering, Portland
State University and Ukrainian State University of Food Technology, Kiev,
Ukraine, 31 pages.
Wells, S. A. and Berger, C. (1994) "Upper and Lower Columbia Slough
Water Level Test: September 1 through October 29, 1993," Technical Report
EWR-2-94, Department of Civil Engineering, Portland State University, Portland,
Oregon, 69 pages.
Wells, S. A. (1995) "Analysis of Flow Augmentation from Smith and Bybee
Lakes on North Slough Dissolved Oxygen Conditions," Technical Report
EWR-1-95, Department of Civil Engineering, Portland State University, Portland,
Oregon, 57 pages.
Wells, S. A. and Berger, C. J. (1995) "Hydraulic and Water Quality
Modeling of the Upper and Lower Columbia Slough: Model Calibration,
Verification, and Management Alternatives Report for 1992-1995," Technical
Report EWR-2-95, Department of Civil Engineering, Portland State University,
Portland, Oregon, 258 pages.
Wells, S. A. and Berger, C. J. (1995) "Upper and Lower Columbia Slough
Water Level Test and Winter Sampling Results for June 1994 through March
1995," Technical Report EWR-3-95, Department of Civil Engineering,
Portland State University, Portland, Oregon, 82 pages.
Juza, H. K. and Wells, S. A. (1995) "Water Quality Model of South
Slough, Coos Bay, Oregon," Technical Report EWR-5-95, Department of Civil
Engineering, Portland State University, NOAA Grant NA90AA-H-CZ183, MEMD
Division, 128 pages.
Wells, S. A. (1995) " Modeling Opening Smith and Bybee Lake to the
Lower Columbia Slough," Technical Report EWR-6-95, Department of Civil
Engineering, Portland State University, Portland, Oregon, 58 pages.
Wells, S. A. (1995) "Modeling of Sludge Dewatering," Technical
Report EWR-8-95, Department of Civil Engineering,
Baird, B. and Wells, S. A. (1996) "Field Survey Data Summaries, South
Slough, Oregon, September 1990 through June 1991," Technical Report
EWR-01-96, Department of Civil Engineering, Portland State University, NOAA
Grant NA90AA-H-CZ183, MEMD Division.
Wells, S. A., Berger, C., and Eberle, M. (1996) "Modeling and
Monitoring the Columbia Slough System: 1995/1996", Technical Report
EWR-1-96, Department of Civil Engineering, Portland State University, Portland,
Oregon, 74 pages.
Eberle, M. and Wells, S. (1996) "Monitoring the Columbia Slough
System," Technical Report EWR-2-96, Department of Civil Engineering,
Portland State University, Portland, Oregon, 65 pages.
Wells, S. and Berger, C. (1996) "Hydraulic and Water Quality Modeling
of Wahiawa Reservoir Volume 1: Model Description, Geometry, and Forcing
Data," prepared for R. M. Towill Corporation,
Wells, S.; Li, S.; Beeson, M.; Cummings, M.; Pratt, R.; Brandt, K., and
Annear, R. (1996) "Impact of
Groundwater Contamination in East Multnomah County on the Interlachen Community,"
Technical Report EWR-3-96, Department of Civil Engineering, Portland State
University, Portland, Oregon, 52 pages.
Wells, S. A. and Annear, R. (1997) "Flows and Water Quality Loadings
for Bear Creek," prepared for J. Carollo Engineers,
Wells, S. and Berger, C. (1997) "Hydraulic and Water Quality Modeling
of Wahiawa Reservoir Volume 2: Model Calibration and Alternatives
Analysis," prepared for R. M. Towill Corporation,
Wells, S. A. (1997) "The
Columbia Slough," Technical Report EWR-2-97, Department of Civil
Engineering,
Berger, C. B. and Wells, S. A. (1997) "User's Manual for the Columbia
Slough System Model," Technical Report EWR-3-97, Department of Civil
Engineering, Portland State University, Portland, Oregon, 48 pages.
Berger, C. B. and Wells, S. A. (1997) "Culvert Replacements on the
Southern Arm of the Upper Columbia Slough," Technical Report EWR-4-97,
Department of Civil Engineering, Portland State University, Portland, Oregon,
65 pages.
Annear, R., Wells, S., Li, S.; Beeson, M.; Cummings, M.; Pratt, R.; Brandt,
K.(1997) "Review of the US EPA Superfund Technical Assistance Grant,"
Technical Report EWR-5-97, Department of Civil Engineering, Portland State
University, Portland, Oregon, 70 pages.
Wells, S. A. and Annear, R. (1997) "Analysis of the February 1996 Flood
Impact on the Foothills Road Area of Lake Oswego," prepared for Seifer,
Yeats, and Mills,
Wells, S. A. (1997) "Theoretical Basis for the CE-QUAL-W2 River Basin
Model," Technical Report EWR-6-97, Department of Civil Engineering,
Portland State University, Portland, Oregon, 59 pages.
Annear, R. and Wells, S. (1997) "Water Quality Evaluation of the
Columbia Slough for 1995/1996," Technical Report EWR-7-97, Department of
Civil Engineering, Portland State University, Portland, Oregon, 70 pages.
Wells, S. A. and Makinia, J. (1997) "Evaluation of Sludge Dewatering
Properties from Steel Manufacturing from the Korean Research Institute of
Science and Technology," Technical Report EWR-8-97, Department of Civil
Engineering, Portland State University, Portland, Oregon, 70 pages.
Harrison, J.; Wells, S.; Berger, C.; and Kasch, M. (1998) "Lower Snake
River Model Development," report prepared for the Idaho Power Company,
Boise, Idaho.
Wells, S., Annear, R. and Berger, C. (1998) "Wetland Benches in the
Lower Columbia Slough," Technical Report EWR-1-98, Department of Civil
Engineering, Portland State University, Portland, Oregon, 187pages.
Annear, R. and Wells, S. A. (1998) "Columbia Slough Database,"
Technical Report EWR-3-98, Department of Civil Engineering,
Annear, R. and Wells, S. (1999) "Water Quality Monitoring of the
Columbia Slough System: Historical Review of Low Dissolved Oxygen Events and
Review of the Summer of 1997," Technical Report EWR-1-99, Department of
Civil Engineering, Portland State University, Portland, Oregon, 72 pages.
Berger, C. and Wells, S. (1999) “Hydraulic and Water Quality Modeling of the
Columbia Slough, Volume 1," Technical Report EWR-2-99, Department of Civil
Engineering, Portland State University, Portland, Oregon, 67 pages.
Schwarz, T. and Wells, S.
(1999) “Stormwater Particle Removal Using a Cross-Flow Filtration and
Sedimentation Device," Technical Report EWR-5-99, Department of Civil
Engineering, Portland State University, Portland, Oregon, 119 pages.
Annear, R. , Wells, S., and
Evonuk, D. (1999) “Bull Run River - Reservoir System Model: Boundary Conditions
and Model Set-Up," Technical Report EWR-6-99, Department of Civil
Engineering, Portland State University, Portland, Oregon, 223 pages.
Harrison, J., Wells, S., Myers, R., Parkinson, S., Kasch, M., and Berger, C.
(1999) “1999 Status Report on Brownlee Reservoir Water Quality and Model
Development,” Idaho Power Company,
Wells, S. (1999)
“CE-QUAL-W2: Gas Transfer, Evaporation, and Hydraulic Structure Algorithms for
Version 3," Technical Report EWR-7-99, Department of Civil Engineering,
Portland State University, Portland, Oregon, 70 pages.
Wells, S. A.; Annear, R.;
Berger, C.; and Sytsma, M. (2000) "Modeling and Analysis of Cooper Creek
Reservoir Water Quality," prepared for the City of
Wells, S. A. and Annear, R. (2000) "Modeling of Lincoln City Waste
Water Treatment Plant Discharge to
Harrison, J., Wells, S., Myers, R., Parkinson, S., Kasch, M., and Berger, C.
(2000) “2000 Status Report on Snake River Water Quality and Model Development,”
Idaho Power Company,
Harrison, J., Wells, S., Myers, R., Parkinson, S., Kasch, M., and Berger, C.
(2000) “2000 Status Report to Oxbow Reservoir Water Quality and Model Status,”
Idaho Power Company,
Rodriguez, H. G., Annear, R. L., Wells, S. A., and Berger, C. (2001)”Lower
Willamette River Model: Boundary Conditions and Model Setup,” Technical Report
EWR-1-01, Department of Civil Engineering, Portland State University, Portland,
Oregon, 134 pages.
Berger, C., Annear, R. L., and Wells, S. A. (2001)”Lower Willamette River Model:
Model Calibration and Alternatives Analysis,” Technical Report EWR-2-01,
Department of Civil Engineering, Portland State University, Portland, Oregon,
100 pages.
Wells, S. A. (2001) “River Modeling using CE-QUAL-W2 Version 3 Guidance
Document,“ Technical Report EWR-X-01, Department of Civil Engineering,
Wells, S. A. (2001) “Simultaneous Solution of Water Surface in CE-QUAL-W2
Version 3,“ Technical Report EWR-X-01, Department of Civil Engineering,
Wells, S. A. (2001) “Turbulence Closure Modeling in CE-QUAL-W2,“ Technical
Report EWR-X-01, Department of Civil Engineering,
Annear, R., Berger, C., Wells, S.,
and Cole, T. (2001) “Upper Spokane River Model:Boundary Conditions and Model
Setup,” Technical Report EWR-4-01, Department of Civil Engineering, Portland
State University, Portland, Oregon, 306 pages.
Annear, R., Berger, C., Wells, S.,
and Cole, T. (2001) “Upper Spokane River Model: Model Calibration,” Technical
Report EWR-1-02, Department of Civil Engineering, Portland State University,
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