Gilberto E. Urroz - ph. 435-797-3379 - gilberto.urroz@usu.edu - ENLAB 280 - fax 435-797-1185

Links in this page

Personal Information

• Name:                     Urroz, Gilberto E.

• Date of Birth:          September 28th, 1958.

• Place of Birth:        Managua, Nicaragua.

• Citizenship:            United States of America, since January 1991

• Languages:             English (fluent), Spanish (native), Portuguese (fluent)

• Registrations:         Professional Engineer, Utah, USA (since 1991)

Academic Degrees

• Ph.D., Civil and Environmental Engineering, University of Iowa, Iowa City, Iowa, 1988

• M.S., Civil and Environmental Engineering, University of Iowa, Iowa City, Iowa, 1982

• B.S., Civil Engineering, Universidad Nacional Autónoma de Nicaragua, Managua, Nicaragua, C.A., 1980

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Ph.D. Dissertation

•  "Studies on Ice Jams in River Bends," under Dr. Robert Ettema, Department of Civil and Environmental Engineering.   Research sponsored by the U.S. Army Corps of Engineers’  Cold Regions Research and Engineering Laboratory.

Graduate Level Courses Taken

•   Intermediate Fluid Mechanics I and II                             Theory/Practice of Hydraulic Modeling

•   Hydraulic Transients                                                     Experimental Methods in Fluid Mechanics

•   Numerical Methods in Fluid Mechanics                            Water Resources Engineering

•   Computational Hydraulics                                              Irrigation and Drainage

•   Probability and Statistics                                               Water Resources Systems

•   Hydraulics of Sediment Transportation                           Deterministic Operations Research

•   Mathematical Methods of Physics                                   Mathematical Methods of Engineering

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Scholarship Awards  

•       Master-of-Science Scholarship from the Latin American Scholarship Program of American Universities (LASPAU, affiliated with Harvard University), March 1981 to December 1982.

•       Undergraduate Merit Scholarship from Universidad Nacional Autónoma de Nicaragua, Managua, Nicaragua, January 1976 to June 1980.

Additional Courses Taken

• Short Course on Structural Mechanics in Seismic Regions (1979), Nicaraguan Society of Engineers and Architects, Managua, Nicaragua.

• College Teaching and Evaluating Techniques (1980), Department of Education, Universidad Nacional Autónoma de Nicaragua, Managua, Nicaragua.

• Industrial Electronics (1991), Bridgerland Applied Technology Center, Summer Course, Logan, Utah.

• Bio-remediation of Hazardous Wastes (1991), Department of Civil and Environmental Engineering, Utah State University, Logan, Utah.

• Programming in C language (1992), Department of Computer Science, Utah State University, Logan, Utah.

• Total Quality Control (emphasis in engineering education, 1992), IOMEGA* Corporation and College of Engineering, Utah State University, Logan, Utah.

• Undergraduate Teaching Seminar (1993), Department of Civil and Environmental Engineering and Department of Instructional Technology, Utah State University, Logan, Utah.

• Applying Total Quality Management to Classroom Instruction (1993, a workshop), American Society of Engineering Education (Rocky Mountain Section), Ogden, Utah.

• Computer Modeling of Free-surface and Pressurized Flows (1993),  a NATO Advanced Studies Institute, Washington State University, Pullman, Washington.

• Interamerican Dialogue on Water Management (1993), Miami, Florida.

• Non-parametric Statistical Modeling, a short course presented by the University of Minnesota, Minneapolis, MN, 1998.

• Floodplain Hydraulic and Hydrologic Modeling, a short course presented by Colorado State University, Snowbird, Utah, 1998.

• AutoCAD training seminar, a one-day seminar presented by the Bridgerland Applied Technology College (formerly, the Bridgerland Applied Technology Center), Logan, Utah, 2000.

• Syllabase training sessions, a four-hour seminar presented by the F.A.C.T. center, Utah State University, Logan, Utah, 2002.

• WebCT training sessions, a four-hour seminar presented by the F.A.C.T. center, Utah State University, Logan, Utah, 2002.  

• Teaching Ethics in the Engineering Curriculum, a three-day seminar presented by the Department of Civil and Environmental Engineering, Utah State University, Logan, Utah, June 2004.

• Maple 10 - Advanced Maple Usage, a one-day course presented by Waterloo Maple, Waterloo, Ontario, Canada, July 2005

• Maple 10 - Advanced Application Development, a one-day course presented by Waterloo Maple, Waterloo, Ontario, Canada, July 2005

• Mentoring Minorities in Higher Education, a one-day course presented by The University of Utah, Salt Lake City, UT, October 2006

• Grant Writing Seminar, a three-day course presented by the University of Utah, November 2011

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Employment History  

        ____________________________________________________________________________

        Date                        Employer                                                               Position

        ____________________________________________________________________________

        June 1994               Utah Water Research Laboratory and              Associate Professor

        to date.                  Department of Civil and Environmental  

                                      Logan, Utah 84322-8200

                                      Head, Water Engineering Division
                                      (since 2006)

        August 1988           Utah Water Research Laboratory and              Assistant Professor

        to May 1994            Department of Civil and Environmental  

                                      Logan, Utah 84322-8200

        Sept. 1983              Iowa Institute of Hydraulic Research              Graduate Research

        to Jul. 1988            and Department of Civil and Environ-             Assistant and

                                      mental Engineering, The University of           Teaching Assistant.

                                      Iowa, Iowa City, Iowa 52242

        Jan.-Jun.,               School of Civil Engineering, Universi-            Director of Hydraulics

        1983                       dad Nacional Autónoma de Nicaragua,           Department and Lecturer

                                      Managua, Nicaragua.                                    of Hydraulics & FORTRAN.

        Jan.-Jun.,                School of Engineering, Universidad               Lecturer of Dynamics

        1983                        Centroamericana (Catholic University),         (Part-time appointment).

                                       Managua, Nicaragua.    

        May., 1980 -           School of Civil Engineering, Universi-             Lecturer of Elementary

        Mar., 1981              dad Nacional Autónoma de Nicaragua,           Fluid Mechanics and

                                      Managua, Nicaragua.                                    Instructor of Fluid 

                                                                                                         Mechanics Laboratory.

        Jan.-May,              Ministry of Construction and Trans-               FORTRAN programmer,

        1980                     portation, Managua, Nicaragua.                     Division of Planning.

        Jan.-May,              School of Civil Engineering, Universi-             Lecturer of Statics

        1980                      dad Nacional Autónoma de Nicaragua,           (part-time appointment)

                                     Managua, Nicaragua.

        Jun.-Dec.,              Department of Physics, Universidad                Lecturer of Introductory

        1979                      Nacional Autónoma de Nicaragua,                   Physics (part-time

                                      Managua, Nicaragua.                                     appointment)

        Jun.1977               Department of Physics, Universidad                 Laboratory Instructor for

        -Jun.1979              Nacional Autónoma de Nicaragua,                    Engineering Physics.

                                     Managua, Nicaragua                                       (part-time appointment)

        1976                     Private employment.                                       Tutor of College Mathematics

        1974-1976             Private employment                                        Tutor of High-School

                                                                                                          Mathematics and Physics

__________________________________________________________________________________________

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Research Experience

• Flow and Sediment Transport in Ice-covered Streams (1983-1988)

• Flow and Sediment Transport in Mountain Streams (1988-1990)

• Erosion Control Testing under Simulated Rain and in High-velocity Flumes (1989-1997)

• Numerical Simulation of Flow and Transport in Groundwater (1990-1993)

• Scour Below Flip-Bucket Spillways (1990-1993)

• Scour Due to Inclined Jets (1991-1993)

• Shear Strength of Retaining Walls (1992-1993)

• Hydraulic Models (Pump Intakes, Wavebreakers) (1990-1992)

• River confluences in bends (1992)

• Numerical Simulation of Spillway Flows (since 1993)

• Numerical Simulation of Estuarine-Lake Flows (since 1993)

• Field Testing of Aquifer Properties (1994-1995)

• Modeling of Groundwater Flow Processes (since 1997)

• Modeling of Hydrologic Processes in River Basins (since 1997)

• Flow Plain Delineation in River Basins (since 2001)

• Testing of asphalt as lining material for salt storage facilities (1994)

• Testing of the strength of gravity walls and erosion effects on the same (1993-1994)

• Numerical modeling of hydrologic systems and groundwater/contaminant transport (1997-2001)

• Design of self-contained stream gaging station (1998)

• Flood delineation for the Big Lost River, Idaho (2001 to present)

• Source water protection modeling (1998-2001)

• Water velocity and depth calibration studies (1997)

• Design of skewed side-weir spillways (1999-2002)

• Large-scale infrastructure development in Latin America (1999 to 2003)

• Model testing of fusegates in dams (2000-2002)

• Statistical learning machines applied to hydrology (2003 to present)

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Consulting Experience

• Groundwater Flow Studies on Trump Tower, for TAMS Engineering Consultants, New York (1990).

• Groundwater Contamination at Sharon Steel Site, Midvale, Utah, for the Utah Department of Health (1990-91).

• Wastewater Tank Failure, Technical Witness for Law Offices of Hansen, Eppeson & Smith, Salt Lake City, Utah (1992).

• Translation Letter of Interest for Urban Planning Agency of State of Espirito Santo, Brazil (English to Portuguese), Engineering Science Inc. (Parsons Group), Pasadena, CA, (1994).

• Slug Tests for High-permeability Aquifers in Eielson A.F.B., Alaska, Utah Water Research Laboratory, Logan, Utah (1994).

• Rehabilitation of Hydraulics Laboratory, National Institute for Water Resources, Santo Domingo, Dominican Republic (2000).

• Water Resources Improvement Program for the Dominican Republic, National Institute for Water Resources, Santo Domingo, Dominican Republic (2001).

• Rate of Return Study for Water Resources Improvement Program for the Dominican Republic, National Institute for Water Resources, Santo Domingo, Dominican Republic (2002).

• Conversion of large-scale Fortran 77 geophysics software to Fortran 90/95 (Intelisoft, Houston, 2006-2007).

• The United States Department of Agriculture - Natural Resources Conservation Service (USDA-NRCS), preparation of the USDA-NRCS Engineering Field Manual Chapter 03 - EFH03 Hydraulics (USDA, Fort Worth, 2004-2008)

• EQUALIS - Preparation of SCILAB textbook, second edition (Los Angeles, CA 2011-2012)

• KNOVEL - SMath Studio engineering equations consulting (New York, NY 2011-2012)

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Teaching Experience

• LINK TO MY CLASSES

• Introductory Physics, textbook: PSSC "Introductory Physics"(1979)

• General Physics Laboratory, textbook: PSSC "Introductory Physics Laboratory Manual" (1977-79)

• Engineering mechanics: statics, textbook: Hibbeler "Engineering Mechanics" (1980, 1988)

• Engineering mechanics: dynamics, textbook: Beer & Johnston; Hibbeler (1983, 1994, 2007-2008)

• Fluid Mechanics (undergraduate level), textbook: Flammer, Jeppson and Keedy "Fundamentals of Fluid Mechanics"/Finnmore and Franzini "Fluid Mechanics with Engineering Applications"

• FORTRAN Programming, textbook: Etter "Fortran 77 Programming for Scientists and Engineers."

• Hydraulics, textbook: Featherstone & Nalluri "Civil Engineering Hydraulics"(1983).

• Intermediate Fluid Mechanics (graduate level), textbook: Nunn (1988) "Intermediate Fluid Mechanics", Ligget (1996) "Fluid Mechanics"

• Uncertainty in Engineering Analysis, textbooks:  (1)Johnson "Miller & Freund's Probability and Statistics  for Engineers," (1997-98), (2) Kottegoda and Rosso, “Probability, Statistics, and Reliability for Civil and, Environmental Engineers,” (1999-2000), (3) Montgomery et al., “Engineering Statistics.” (200-2002), Spiegel et al., "Probability and Statistics" (2002 to 2004) - Urroz, Gilberto (2005) - Online Textbook for Uncertainty  in Engineering Analysis (2005 to 2008) - Urroz, Gilberto (2006) - Probability and Statistics with OOo CALC (an online textbook - work in progress, 2007 to present)

• Numerical Methods in Engineering I, textbooks: (1)Etter "Structured FORTRAN 77 for Engineers and Scientists," (2) Hoffman "Numerical Methods for Engineers and Scientists." (1998), (3) Schaeffer, “Introduction to Visual Basic Programming” (1999-2000), (4) Gottfried, "Programming with Visual Basic" (2001 to present).

• Numerical Methods in Engineering II, textbooks: (1) Robertson, “Engineering Mathematics with Maple.” (2000), (2) Urroz, G., “Applied Engineering Mathematics with Maple” (2001) -  Urroz, G., Online notes for Numerical Methods with Mathcad (2006) - Urroz, G., Online notes for Numerical Methods with Matlab (2008)

• Numerical and Statistical Methods in Civil Engineering (graduate level), textbook: Linfield, “Numerical Methods using Matlab,” (2000), and Urroz, “Numerical and Statistical Methods with SCILAB – 2 vol. (2001 to present).

• Short course on Applications of the HP 48 G Series Calculator to Irrigation Engineering Problems (summer 2001, International Irrigation Center, Utah State University)

• Graduate-level Visual Basic/Visual Basic for Applications class (directed reading course, Spring 2002, Spring 2003).

• Introduction to programming with Fortran G77 - an online course developed for students in CEE 5010 (Fall 2002)

• Civil and Environmental Engineering Fluid Mechanics - textbook: Finnemore, E.J. and Franzini, J.B., 2002, Fluid Mechanics with Engineering Applications - tenth edition, McGraw-Hill, Boston (Fall 2005-Fall 2007)

• hp 50g/49g+/48gii Tutorial Course - online tutorial course on the use of the hp 48/49/50 series graphics calculators for the solution of engineering problems (2004)

• ti 89 titanium Tutorial Course - online tutorial course on the use of the ti 89/ti 89 titanium graphics calculators for the solution of engineering problems (2006)

• Numerical Methods in Civil Engineering - a directed reading course on applications of numerical methods to civil engineering problems at the graduate level (replaced CEE 6110)

• Fluid Dynamics - a graduate-level course on viscous flow - special engagement teaching for the Department of Mechanical and Aerospace Engineering at Utah State University (Fall 2007) - textbook: White, F.M., 2006, Viscous Fluid Flow - Third Edition, McGraw-Hill, NY

• Hydraulics (2010 to present) - textbook: Finnmore and Franzini "Fluid Mechanics with Engineering Applications", and Urroz (2012) "CEE 3510 Hydraulics Reader"

• Numerical Methods in Engineering (2008-2010) - textbook: Urroz, class notes on Matlab programming and numerical methods applications

• Excel/VBA programming (2010) - textbook: class notes by Grenney, W.

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Professional Societies Committee Service

• LINKS TO PROFESSIONAL ASSOCIATIONS

• Member, Editorial Board, Journal of Soil and Water Conservation, Soil and Water Conservation Society (1995-1999)

• Member, Editorial Board, Erosion Control Magazine, International Erosion Control Association (1995-1999)

• State of Utah Hydrologic Unit Map Committee (1993-94).

• Corresponding member, Hydromechanics Committee, Hydraulics Division, American Society of Civil Engineers (1993-1998).

• Chairman, Committee B - Geo-synthetics and Erosion Control Blankets, International Erosion Control Association (1993-1995).

• Secretary-treasurer, Northern Utah Branch, Utah Section, American Society of Civil Engineers (1993-95).

• Member, Task Committee on Erosion Protection at Hydraulic Structures, Hydraulics Division, American Society of Civil Engineers (1991-1994).

• Writer, Sub-committee on Geotextiles, Committee B - Geo-synthetics and Erosion Control Blankets, International Erosion Control Association (1991-1992).

• Secretary and Newsletter Editor, Groundwater Research Group, Utah State University (1991-1992).

• Founding Member, Committee on Standards, International Erosion Control Association (1989)

• Tau Beta Pi - The Engineering Honor Society - Utah Gamma Chapter Student Advisor (2006 to present)

• American Society of Civil Engineers - Utah State University Student Chapter Advisor (2006 to present)

• American Society for Engineering Education, member (since 2012)

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Publications

• ONLINE PUBLICATIONS

            1. Online publications for the year 2002 - Publications for years 2003 and later follow:

            2. hp 50g/49g+/48gii Tutorial Course - online tutorial course on the use of the hp 48/49/50 series graphics calculators for the solution of engineering problems (2004)

            3. ti 89 titanium Tutorial Course - online tutorial course on the use of the ti 89/ti 89 titanium graphics calculators for the solution of engineering problems (2006)

            4. Class notes for CEE Fluid Mechanics (Fall 2005) - Summary of concepts and equations, solved examples, and programs for the solution of problems in fluid mechanics.

            5. USU Open Courseware - Uncertainty in Engineering Analysis (Spring 2006)

            6. USU Open Courseware - Fluid Mechanics (Spring 2006)

            7. USU Open Courseware - Numerical Methods in Civil Engineering (Spring 2006)

            8. Surveying TI 89 notes - Notes on the use of the ti 89/ ti 89 titanium graphics calculator for solving problems in Civil Engineering surveying (Fall 2007)

            9. Surveying hp notes - Notes on the use of the hp 48/49/50 series graphics calculator for solving problems in Civil Engineering surveying (Fall 2007)

          10. Review of Mathematics, Physics, and Calculators for Dynamics (Summer 2007) - background for the mathematical and physical concepts requried for Dynamics (ENGR 2030)

          11. Calculator notes for Dynamics (Spring 2008) - Applications of the hp 48/49/50 series and ti 89 series graphics calculators to the solution of problems in Dynamics - ENGR 2030 (vectors, matrices, solution to equations, trigonometry solutions, ordinary differential equations)

          12. Lectures for Dynamics (Summer 2007 - Spring 2008) - Summary of concepts and equations and solved examples for Dynamics (ENGR 2030).

          13. Class notes for Fluid Dynamics (Fall 2007) - Additional notes related to the graduate-level course on fluid dynamics taught for the Department of Mechanical and Aerospace Engineering, Utah State University

          14. Software notes for Fluid Dynamics (Fall 2007) - Additional notes related to the graduate-level course on fluid dynamics taught for the Department of Mechanical and Aerospace Engineering, Utah State University

           15. Tau Beta Pi's Lecture on Calculators (Fall 2009)
           16. Tau Beta Pi's Lecture on Maple and Maxima (Fall 2009)

• BOOKS

             1. Applications of the HP 48 G series calculator in probability and statistics, 2000,  www.greatunpublished.com, Charleston, South Carolina.

             2. HP 48 G/G+/GX Applications in HYDRAULICS, 2000, www.greatunpublished.com, Charleston, South Carolina.

            3. Analytical and numerical methods with the HP 48 G/G+/GX Programmable Calculator, 2000, www.greatunpublished.com, Charleston, South Carolina.

            4. Science and Engineering Mathematics with the HP 49 G - Volume I, 2000,  www.greatunpublished.com, Charleston, South Carolina.

        5. Science and Engineering Mathematics with the HP 49 G - Volume II - Calculus, differential equations, statistics, 2000, www.greatunpublished.com, Charleston, South Carolina.

             6. Applied Engineering Mathematics with Maple, 2001, www.greatunpublished.com, Charleston, South Carolina.           

             7. Numerical and Statistical Methods with SCILAB for Science and Engineering - Volume I - 2001, www.greatunpublished.com, Charleston, South Carolina.           

             8. Numerical and Statistical Methods with SCILAB for Science and Engineering - Volume II - Advanced numerical methods and statistical techniques, 2001, www.greatunpublished.com, Charleston, South Carolina.

             9. User’s Guide for the hp 48gii graphics/programmable calculator (800+ pages) - Hewlett-Packard, Inc., 2003

            10. User’s Manual for the hp 48gii graphics/programmable calculator (170+ pages) – Hewlett-Packard, Inc., 2003

            11. User’s Guide for the hp 49g+ (hp 50g) graphics/programmable calculator (800+ pages) – Hewlett-Packard Inc., 2003              

            13. User’s Manual for the hp 49g+ (hp 50g) graphics/programmable calculator (170+ pages) – Hewlett-Packard Inc., 2003

            14. Guia del Usuario para la calculadora grafica/programable hp 48gii (800+ pages) - Hewlett-Packard, Inc., 2003

            15. Manual del Usuario para la calculadora grafica/programable hp 48gii (170+ pages) - Hewlett-Packard, Inc., 2003

            16. Guia del Usuario para la calculadora grafica/programable hp 49g+ (hp 50g) (800+ pages) - Hewlett-Packard, Inc., 2003

            17. Manual del Usuario para la calculadora grafica/programable hp 49g+ (hp 50g) (170+ pages) - Hewlett-Packard, Inc., 2003

            18 . USDA-NRCS EFH03 - Hydraulics, The United States Department of Agriculture - Natural Resources Conservation Service (USDA-

NRCS), USDA-NRCS Engineering Field Manual Chapter 03 - EFH03 Hydraulics (to be published August, 2008) - includes associated software (MS Excel):

•  Unit conversion spreadsheet

•  Water properties spreadsheet

•  Forces on plane areas spreadsheet

•  Solutions to open channel flow spreadsheet

•  Channel aggradation and degradation spreadsheet

•  Solutions to pipe flow spreadsheet

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• BOOK CHAPTERS

  1. “Subsurface Flow and Transport,” Chapter 4, in Mays, L.W. (editor), “Hydraulic Design Handbook,” McGraw Hill, New York, 1999 (Mariush W. Kemblowski and Gilberto E. Urroz)

   

   

• JOURNAL ARTICLES (refereed publications):

   

  1. "Simple-shear-box Experiments with Floating Ice Rubble," Cold Regions Science and Technology, Vol. 14, pp.185 199, ELSEVIER Science Publishers B.V., Amsterdam, The Netherlands,1987, (Gilberto E. Urroz and Robert Ettema).

   

  2. "On Internal Friction and Cohesion in Unconsolidated Ice Rubble," Cold Regions Science and Technology, Vol. 16, pp. 237-247, ELSEVIER Science Publishers B.V., Amsterdam, The Netherlands, 1989 (Robert Ettema and Gilberto E. Urroz).

   

  3. "Bend Ice Jams: Laboratory Observations,"  Canadian Journal of Civil Engineering, Vol. 19, October,  1992 (Gilberto E. Urroz and Robert Ettema.).

   

  4. "Bend Ice Jams: Laboratory Observations: Reply,"  Canadian Journal of Civil Engineering, Vol. 20,  1993 (Gilberto E. Urroz and Robert Ettema.).

   

  5. "Application of Two-Layer Hypothesis to Fully-Developed Flow in Ice-Covered Curved Channels,"  Canadian Journal of Civil Engineering, Vol. 21, February, 1994 (Gilberto E. Urroz and Robert Ettema).

   

  6. "Small-scale Experiments on Ice-Jam Initiation in a Curved Channel," accepted for publication in the Canadian Journal of Civil Engineering, 1994,   (Gilberto E. Urroz and Robert Ettema).

   

  7. "Bridge Pier Location and Ice Conveyance in Curved Channels," a technical note, accepted for publication in the ASCE Journal of Cold Regions Engineering, 1994, (Gilberto E. Urroz, Joseph Schaefer and Robert Ettema).

   

  8. "Advective and Dispersive Kinematic Mixing in Stratified Formations," Journal "Transport in Porous Media," 1995 (Gilberto E. Urroz, Yang Ma and Marian W. Kemblowski).

          9. "Support vectors_based groundwater head observation networks design," 2004, Water Resources Research, 40, W11509,  

          doi:10.1029/2004WR003304, Asefa, T., M. W. Kemblowski, G. Urroz, M. McKee, and A. Khalil.

         10. "Support Vector Machines (SVMs) for Monitoring Network Design," 2005 (May-June), Asefa T.M., M. W. Kemblowski, G. Urroz, M.

          McKee, Ground Water.

         11. "Support vector machines for nonlinear state space reconstruction: Application to the Great Salt Lake time series," 2005 (Dec.), Water

         Resources Research, Asefa, T., M. Kemblowski, U. Lall, and G. Urroz.

         12. "Machine Learning Regression Approach for Prediction of Great Salt Lake Water Surface Elevation," (submitted for publication, Jan. 2012), Journal of Hydrology.

• JOURNAL ARTICLES UNDER PREPARATION:

   

   1. "Scour Geometry Below Flip-Bucket Spillways - Part I: Experiments," to be submitted to the ASCE Journal of Hydraulic Engineering, (Amanian Nosratollah and Gilberto E. Urroz).

   

  2.  "Scour Geometry Below Flip-Bucket Spillways - Part II: Pre-excavated Plunge Pools," to be submitted to the ASCE Journal of Hydraulic Engineering, (Amanian Nosratollah and Gilberto E. Urroz).

   

  3.  "Scour Geometry Below Flip-Bucket Spillways - Part III: Sensitivity Analysis," to be submitted to the ASCE Journal of Hydraulic Engineering, (Amanian Nosratollah and Gilberto E. Urroz).

   

  4. "Jet Trajectory in Flip-Bucket Spillways," Technical Note to be submitted to the ASCE Journal of Hydraulic Engineering, (Amanian Nosratollah and Gilberto E. Urroz).

   

  6. "Aeration and Scour in Inclined Circular Jets," to be submitted to the Journal of Hydraulic Research, International Association for Hydraulic Research, (Assem M. Afify and Gilberto E. Urroz).

          7. "Side-channel converging spillway design," to be submitted to the ASCE Journal of Hydraulic Engineering (Huagao Tan and Gilberto E. Urroz).

          8. "Long-lead streamflow forecasting and identification of relative influence of oceanic-atmospheric oscillation modes using Bayesian machine learning regression", to be submitted to the Journal of Hydrology (Niroj Shrestha, Mac McKee, and Gilberto Urroz)

• ARTICLES IN CONFERENCE PROCEEDINGS (peer reviewed):

   

  1. "Ice Conveyance in a Curved Channel: Small Scale Experiments," Proceedings of Workshop HW5 (River Ice), International Association for Hydrological Sciences, Vancouver, B.C., August 12th, 1987, (Gilberto E. Urroz and Robert Ettema).

   

  2. "Erosion Control Products Testing Facility," Proceedings of Conference XXI "Erosion Control: Technology in Transition," International Erosion Control Association, Washington, D.C., February, 1990, (C. Earl Israelsen and Gilberto E. Urroz).

   

  3. "Flow Transitions around a Single Large Bed Element," Proceedings of the ASCE National Conference on Hydraulic Engineering, San Diego, CA, August, 1990, (Philippe Zgheib and Gilberto E. Urroz).

   

  4. "A Quantitative Test for Evaluating Performance of Turf Reinforcement Mats," International Symposium on Water Erosion, Sedimentation and Resource Conservation, Central Soil and Water Conservation Research & Training Institute, Dehradun, U.P., India, October, 1990, (Tanveer Anjum and Gilberto E. Urroz).

   

  5. "Friction and Cohesion in Ice Rubble Reviewed," Proceedings of the American Society of Civil Engineers' Cold Regions Division Conference, U.S. Army Corps of Engineers' Cold Regions Research and Engineering Laboratory (CRREL), New Hampshire, in February 1991, (Robert Ettema and Gilberto E. Urroz).

   

  6. "Prediction of Scour Geometry Below Flip Bucket Spillways," Proceedings, The Association of State Dam Safety Officials, 1992 Annual Conference, Baltimore, Maryland, August, 1992 (Nosratollah Amanian and Gilberto E. Urroz).

   

  7. "A Summary of Issues Related to Erosion Protection at Hydraulic Structures," Proceedings of the 1993 ASCE National Conference on Hydraulic Engineering, San Francisco (R.J. Wittler, F. Watts, J. Hite and Gilberto E. Urroz - Task Force Committee for Erosion Protection in Hydraulic Structures, Hydraulics Division, ASCE).

   

  8. "Plunge-pool Aeration Due to Inclined Jets, " Proceedings of the 1993 ASCE National Conference on Hydraulic Engineering, San Francisco (Assem Afify and Gilberto E. Urroz).

   

  9. "Design of Pre-excavated Scour Hole Below Flip-bucket Spillways," Proceedings of the 1993 ASCE National Conference on Hydraulic Engineering, San Francisco (Nosratollah Amanian and Gilberto E. Urroz).

   

  10. "Kinematic Mixing Efficiency in Stratified Aquifers," Proceedings of the 1993 ASCE International Symposium on Engineering Hydrology, San Francisco (Gilberto E. Urroz and Marian W. Kemblowski).

   

  11. "Numerical Estimation of Macrodispersivities in Heterogeneous Self-Similar Aquifers," Proceedings of the 1993 ASCE International Symposium on Engineering Hydrology, San Francisco (Marian W. Kemblowski and Gilberto E. Urroz).

   

  12."Direct Shear Measurements on Erosion Control Blankets", Proceedings of Conference XXV, International Erosion Control Association, Reno, Nevada, February 1994 (Gilberto E. Urroz and C. Earl Israelsen).

   

  13. "Ice Accumulation Rate and the Geometry of Ice Jams in River Bends," Proceedings of the ASCE 1994 National Conference on Hydraulic Engineering. (Gilberto E. Urroz and Robert Ettema) - abstract approved Dec., 1993.

   

  14. "Local Scour Potential for Large Bed Material with Shallow Tailwater Depth," Proceedings of the ASCE 1994 National Conference on Hydraulic Engineering. (Kwang-Ik Son and Gilberto E. Urroz).

  15. "Density-dependent Circulation in Desert-basin Aquifers with Self-similar Permeability Distributions," Proceedings of the ASCE 1994 National Conference on Hydraulic Engineering. (Daoqiong Yang and Gilberto E. Urroz).

   

  16. "Plunge-Pool Scour by Inclined Jets," Proceedings of the ASCE 1994 National Conference on Hydraulic Engineering. (Assem M. Afify and Gilberto E. Urroz).

   

  17. "Effectiveness of Selected Materials Under Simulated Rain and Sunlight, " proceedings of Conference XXVI, International Erosion Control Association, Atlanta, Georgia, February 1995 (Gilberto E. Urroz and C. Earl Israelsen).

   

  18."Testing of Selected Erosion Control Materials in Hillslopes Under Simulated Rain and Sunlight," proceedings of the 31st Symposium on Engineering Geology and Geotechnical Engineering 1995, Logan, Utah, March 1995 (Gilberto E. Urroz and C. Earl Israelsen ).

   

  19."Spillway Flow Solution Through Body-Fitted Coordinates," ASCE First International Conference on Water Resources Engineering, San Antonio, Texas 1995 (Qi Li and Gilberto E. Urroz).

   

  20. "Performance of Tackified Hydromulches Under Simulated Rain and Sunlight," proceedings of Conference XXVII, International Erosion Control Association, Seattle, Washington, February-March 1996 (Gilberto E. Urroz and Ryan Casadaban).

          21. "Maple-based intermediate fluid mechanics applications: potential flow," 2005, The Maple Conference, University of Waterloo, Waterloo,

          Ontario, Canada.

          22. "Maple-based civil engineering hydraulics calculations: open-channel flow," 2005, The Maple Conference, University of Waterloo,

          Waterloo, Ontario, Canada.

          23. "Maple-based civil engineering hydraulics calculations: basic pipe flow," 2005, The Maple Conference, University of Waterloo, Waterloo,

          Ontario, Canada.