Edith A. Zagona (updated March 2017)

Research Professor, Department of Civil, Environmental and Architectural Engineering and

Director, Center for Advanced Decision Support for Water and Environmental Systems

1777 Exposition Dr. Ste. 113

UCB 421

Boulder, Colorado 80309-0421

Ph: 303-492-2189

zagona@colorado.edu

 


EDUCATION

University of Colorado, Boulder, CO: Ph.D. in Civil and Environmental Engineering, 1992

Colorado State University, Ft. Collins, CO: M.S., Civil Engineering, 1983: Hydraulics.

University of Arizona, Tucson, Arizona: B.S. Civil Engineering 1978

University of Arizona, Tucson, Arizona: B.A., Philosophy, 1975

APPOINTMENTS

Research Professor, Department of Civil, Environmental and Architectural Engineering, University of Colorado. Appointed 2010.

Director, Center for Advanced Decision Support for Water and Environmental Systems, Department of Civil, Environmental and Architectural Engineering, College of Engineering and Applied Sciences, University of Colorado at Boulder (CU-CADSWES), 2001 to present.

Research Associate, CU-CADSWES, 1992-2000

Professional Research Assistant, CU-CADSWES, 1989-1992

Graduate Research Assistant, CU-CADSWES, 1988-1989

U.S. Bureau of Reclamation Design and Planning Coordinator, Central Arizona Projects Office, 1986-87

U.S. Bureau of Reclamation Hydraulic Engineer, Engineering and Research Center, 1978-84

RESEARCH AND PROFESSIONAL INTERESTS

Specialist in development of decision support tools for water resources management. Principal investigator and head of invention team of RiverWare® used by major water resources management, consultants and institutions for managing river and reservoir systems. Research interests include water resource systems and modeling, planning and operations of multi-objective river and reservoir systems, hydropower optimization, decision making under uncertainty, analysis and adaptive management for climate change.

 Extensive experience in needs analysis, design, development, testing and deployment of DSS tools for river and reservoir management with TVA, Bureau of Reclamation, U.S. Army Corps of Engineers, Bonneville Power Administration and other water managers and utilities.

Direction of academic research center and lead investigator for average of $1.5 million per year contracts and grants; collaborations with other scientists and guidance of graduate student research projects. Advisor to modelers and managers of river systems in U.S. and abroad. Developing and teaching water resources classes at CU and training materials for DSS users. Hydraulic engineer in the public sector and experience with design of large projects and public involvement in large projects. Technical advisor to Nile Basin Initiative DSS.

 

INVENTIONS, HONORS and DISTINCTIONS

Principal Investigator and Inventor with the CADSWES development team of RiverWare®, river, reservoir and hydropower management software licensed by CU Office of Technology Transfer 1998-present and used by hundreds of water managers, agencies, utilities, researchers and consultants.

Recipient of the Department of Interior’s Partners in Conservation Award with a number of other researchers and stakeholders for contributions to the Bureau of Reclamation’s Colorado River Shortage Negotiations; award presented by the secretary of Interior on May 6, 2009; and again for the Colorado River Basin Water Supply and Demand Study; award was presented by the Secretary of Interior on October 18, 2012.

Honorary Professor of China Institute of Water Resources and Hydropower Research

TEACHING

Academic Courses :    Applied Fluid Mechanics, Open Channel Hydraulics, Dam Engineering, Water Resources Development and Management

Outreach Courses (recent): 

RiverWare and River Basin Planning – classes provided on site in India sponsored by World Bank, in Chihuahua, Mexico sponsored by the University of Chihuahua

Lectures as part of 3-day courses in using RiverWare®, with CADSWES staff, taught to technical people from water management agencies, consulting companies and universities and research institutes. Typically 6 to 8 courses per year.

PUBLICATIONS

Journals

Witt, A., T. Magee, K. Stewart, B. Hadjerioua, D. Neumann, E. Zagona and M. Politano, Development and implementation of an Optimization Model for Hydropower and Total Dissolved Gas in the Mid-Columbia River System. ASCE Journal of Water Resources Planning and Management, in Revision.

Erkyihun, S., E. Zagona and B. Rajagopalan (2017), Wavelet and Hidden Markov Based Stochastic Simulation Methods Comparison on Colorado River Streamflow, ASCE Journal of Hydrologic Engineering, Accepted.

Erkyihun, S.E., B. Rajagopalan, E. Zagona, U. Lall, and K. Nowak (2016). Wavelet-based Time Series Bootstrap Model for Multidecadal Streamflow Simulation Using Climate Indicators, Water Resour. Res., 52, 4061–4077, doi:10.1002/2016WR018696.

Wheeler, K.G., M. Basheer, Z.T. Mekonnen, S.O. Eltoum, A. Mersha, G.M. Abdo, E.A. Zagona, J.W. Hall and S.J. Dadson (2016). Cooperative Filling Approaches for the Grand Ethiopian Renaissance Dam, Water International, Published online 11 May, DOI:10.1080/02508060.2016.1177698.

Yanto, Rajagopalan, B. & Zagona, E. (2016). Space-time Variability of Indonesian Rainfall at Inter-annual and Multi-decadal Time Scales. Climate Dynamics, 1-15, DOI 10.1007/s00382-016-3008-8.

Brown, C., J.R.Lund, X. Cai, P.Reed, E. Zagona, A. Ostfeld, J. Hall, G. Characklis, W. Yu, L. Brekke (2015) The Future of Water Resources Systems Analysis: Toward a Scientific Framework for Sustainable Water Management, Water Resources Research, 51,6110-6124, doi:10.1002/2015WR017114.

Smith, R., J. Kasprzyk and E. Zagona (2015), Many Objective Analysis to Optimize Pumping and Releases in a Multi-Reservoir water Supply Network. J. Water Resour. Plann. Manage., 04015049-1—04015049-14, dx.doi.org/10.1061/(ASCE)WR.1943-5452.0000576.

Bracken, C., B. Rajagopalan, E. Zagona (2014). A Hidden Markov Model Combined with Climate Indices for Multi-decadal Streamflow Simulation, Water Resources Research, 50, 7836-7846.

Ibanez, E., T. Magee, M. Clement, G. Brinkman, M. Milligan, and E. Zagona (2014). Enhancing Hydropower Modeling in Variable Generation Integration Studies. Energy, 74 (2014), 518–528.

Clement,  M., T. Magee, E. Zagona (2014), A Methodology to Assess the Value of Integrated Hydropower and Wind Generation; Wind Engineering 38 (3), 261-276.

Nowak, K., M. Hoerling, B. Rajagopalan, and E. Zagona (2012), Colorado River Basin Hydroclimatic Variability, Journal of Climate, 25 (2), 4389-4403

Rajagopalan, B., C. Brown, A. Mishra, S. Demuth, E. Zagona, J. Salas, A. Sharma, U. Lall and A. Polebitski (2012). State of the resource: Quantity. In: Chapter 15 of Managing Water under Uncertainty and Risk, United Nations World Water Development Report 4 (WWDR4), UNESCO.

Nowak, K., B. Rajagopalan and E. Zagona (2011)  Wavelet Auto-Regressive Method (WARM) for multi-site streamflow simulation of data with non-stationary spectra, Journal of Hydrology, 410 (1-2) 1-12, 2011

Regonda, S., E. Zagona and B. Rajagopalan (2011), Prototype Decision Support System for Operations on the Gunnison Basin with Improved Forecasts, Journal of Water Resources Planning and Management, 137 (5), 2011.

Valerio, A., H. Rajaram, and E. Zagona (2010), Incorporating Groundwater-Surface Water Interaction into River Management Models, Groundwater 48(5): 661-673, 2010

Grantz, K., B. Rajagopalan, M. Clark (2007), and E. Zagona, Seasonal Shifts in the North American Monsoon, Journal of Climate, 20(9): 1923-1935, 2007

Grantz, K., B. Rajagopolan, E. Zagona, and M. Clark (2007), Water Management Applications of Climate-Based Hydrologic Forecasts: Case Study of the Truckee-Carson River Basin. ASCE J of Water Resources Planning and Management, 133(4): 139-350, 2007

Neumann, D. , E. Zagona, and B. Rajagopalan (2006), A Decision Support System to Manage Summer Stream Temperatures. Journal of the American Water Resources Association,42(5):1275-1284, 2006

Carron, J., E. Zagona, and T. Fulp (2006), Modeling Uncertainty in an Object-Oriented Reservoir Operations Model, Journal of Irrigation & Drainage Engineering, 132 (2): 104-111, 2006

Frevert, D., T. Fulp, E. Zagona, G. Leavesley, and H. Lins (2006), The Watershed and River Systems Management Program - An Overview of Capabilities, Journal of Irrigation & Drainage Engineering, 132(2): 92-97, 2006

Regonda, S., B. Rajagopalan, M. Clark, and E. Zagona (2006), A Multimodel Ensemble Forecast Framework: Application to Spring Seasonal Flows in the Gunnison River Basin, Water Resources Research, 42, W09494

Prairie, J., B. Rajaopalan, T. Fulp, and E. Zagona (2005), Modified K-NN Model for Stochastic Streamflow Simulation, Journal of Hydrologic Engineering, 11(4): 371-378

Grantz, K., B. Rajagopolan, M. Clark, and E. Zagona (2005), A Technique for Incorporating Large-Scale Climate Information in Basin-Scale Ensemble Streamflow Forecasts,  Water Resources Research 41(10),  2005

Prairie, J., B. Rajagopalan, T. Fulp and E. Zagona (2005), Statistical nonparametric model for natural salt estimation, ASCE Journal of Environmental Engineering, 131(1), 130-138

Neumann, D., B. Rajagopalan, and E. Zagona (2003), Regression Model for Daily Maximum Stream Temperature,  Journal of Environmental Engineering, ASCE 129(7): 659-666

Prairie, J., B. Rajagopalan, T. Fulp, and E. Zagona (2003), Statistical Nonparametric Model for Natural Salt Estimation, ASCE Journal of Environmental Engineering, 131(1):130-138

Zagona, E., T. Fulp, R. Shane, T.  Magee and H. Goranflo (2001), RiverWare: A Generalized tool For Complex Reservoir System Modeling, Journal of American Water Resources Association, AWRA 37(4):913-929

Eschenbach, E., T. Magee, E. Zagona, H. Goranflo and R. Shane (2001),  Multiobjective Daily Operations of Reservoir Systems via Goal Programming, Journal of Water Resources Planning and Management ASCE 127(2):108-120

Books/ Book Chapters (peer-reviewed)

Frevert, D., J. Prairie and E. Zagona, Hydrology of the Colorado River Basin, Chapter 110 in the Fiftieth Anniversary Edition of Handbook of Applied Hydrology, edited by Vijay Singh. McGraw-Hill, New York, October 11, 2016.

Rajagopalan, B., C. Brown, A. Mishra, S. Demuth, E. Zagona, J. Salas, A. Sharma, U. Lall and A. Polebitski (2012). State of the resource: Quantity. In: Chapter 15 of Managing Water under Uncertainty and Risk, United Nations World Water Development Report 4 (WWDR4), UNESCO

Zagona, E., T. Magee, D. Frevert, T. Fulp, H. Goranflo and J. Cotter.  RiverWare,  Chp 21 of  Watershed Models, edited by V.Singh and D. Frevert,  CRC Press, 2005.

Rajagopalan, B., K. Grantz, S. Regonda, M. Clark. and E. Zagona. Ensemble streamflow forecasting: methods and applications. In: A. Aswathanarayana (Ed.), Advances in Water Science Methodologies, Taylor and Francis, The Netherlands, 230pp.

Reitsma, R.F., E.A. Zagona, S.C. Chapra, and K.M. Strzepek (1996). Decision Support Systems for Water Resources Management. In Water Resources Handbook, Edited by L.W. Mays, New York: McGraw-Hill, 33.1-33.35.Conference Proceedings

Conference Proceedings (peer-reviewed)

Zagona, E. (2016), "RiverWare Model and Analysis Tools for River System Planning and Management." In Proc. of The Seventh Graduate Studies and Scientific Research Conference in Basic and Engineering Sciences, University of Khartoum, Sudan, February 20-23, 2016.

Neumann D. and E. Zagona (2016). "Decision Support Systems on the Upper Rio Grande Basin using RiverWare." Canadian Water Resources Association 69th National Conference, May 25-27, 2016, Montreal, Quebec, Canada.

Butler, A., Jerla, C, Nowak, K., Prairie, J, Oakley, B., Wilson, N., Zagona, E. (2015). "The Colorado River Basin Water Supply and Demand Study: Modeling to Support a Robust Planning Framework." In Proc 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling, April 19-21, Reno, Nevada, USA.

Daylor, J., Neumann, D., Zagona, E., and Steffen, J., (2015). "Multi-objective Modeling in RiverWare for USACE-SWD." In Proc 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling, April 19-21, Reno, Nevada, USA.

Steffen, J., Stringer, J., Daylor, J, Neumann, D. and Zagona, E. (2015). "TAPER – A Real-time Decision Support Tool for Balanced Flood Operation of the Arkansas River in Tulsa District." In Proc 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling, April 19-21, Reno, Nevada, USA.

Magee, T., E. Zagona and M. Clement (2014). Efficient methods for Optimizing Under Uncertainty. In Proceedings of the 11th International Conference on Hydroinformatics, New York City, August 17-21, 2014.

Clement, M., T. Magee, J. Taylor, and E. Zagona (2014). "Incorporating Complex Mid-Columbia Operations into a Hydropower Optimization Model." In Proc. HydroVision International, Nashville, TN, July 22-25, 2014. 

Ibanez,E., E. Zagona, G. Brinkman, M. Milligan, T. Magee and M. Clement, Large Scale Integration of Hydro, Wind and Solar Power with Detailed Hydro Modeling. Proc. Of Hydrovision, Denver, CO,  July 23-26, 2013

Zagona, E., K. Nowak, B. Rajagopalan, C. Jerla and J. Prairie, RiverWare’s Integrated Modeling and Analysis Tools for Long-term Planning under Unceratinty,  Proc. of the Fourth Federal Interagency Hydrologic Modeling Conference, Las Vegas, Jun 27 – Jul 1, 2010.

Magee, T., S. Jacks and E. Zagona, Scheduling TVA’s Reservoirs with RiverWare, Proc. of the Fourth Federal Interagency Hydrologic Modeling Conference, Las Vegas, Jun 27 – Jul 1, 2010.

Zagona, E., E. Kandl, J. Carron and S. Bowser, Water Accounting and Allocation in RiverWare, Proc. of the Fourth Federal Interagency Hydrologic Modeling Conference, Las Vegas, Jun 27 – Jul 1, 2010.

Zagona, E., B. Rajagopalan, S. Setzer (2008) “RiverWare Decision Support Tools for Planning Sustainable River Development with Hydropower,” Proceeding of the High-level International Forum on Water Resources and Hydropower, Ministry of Water Resources, Beijing, China, October 16-18, 2008

Valerio, A., E. Zagona and H. Rajaram (2008) “Incorporating groundwater-surface water interactions into river management operations by linking an object-oriented decision support model (RiverWare) with Modflow,”  MODFLOW and More 2008: Ground Water and Public Policy Conference Proceedings, International Ground Water Modeling Center (IGWMC), Colorado School of Mines, May 18-21, 2008.

Eschenbach, E, E Zagona and K Grantz (2006) “Water Resources Planning and Management Curriculum Incorporating RiverWare,” Proceeding of ASCE Operations Management 2006 - Operating Reservoirs in Changing Conditions. Darell Zimbelman, Werner C. Loehlein - Editors, August 14–16, 2006, Sacramento, California

Magee, T. and E. Zagona "Hydropower Simulation and Optimization with RiverWare", Proceedings of Waterpower XIV, July 2005.

Wheeler, K., T.M. Magee, T. Fulp, and E. Zagona (2002), “Alternative Policies on the Colorado River”, Proceedings of Natural Resources Law Center Allocating and Managing Water for a Sustainable Future: Lessons From Around the World, Boulder, CO.

Boroughs, C.B. and E.A. Zagona (2002), “Daily Flow Routing with the Muskingum-Cunge Method in the Pecos River RiverWare Model,” Proceedings of the Second Federal Interagency Hydrologic Modeling Conference, Las Vegas, NV.

Neumann, D., B. Rajagopalan, E. Zagona, M. Bender, and T. Scott (2002), “An Operations Model for Temperature Management of the Truckee River,” Proceeding of the Second Federal Interagency Hydrologic Modeling Conference, Las Vegas, NV.

Magee, T., E. Zagona, and D. Frevert (2001), “Operational Policy Expression and Analysis in the RiverWare Modeling Tool,” Proceedings of the ASCE World Water & Environmental Resource Congress, Orlando, FL.

Salas, J., D. Frevert, J. Rieker, D. King, S. Meyer, W. Lane, and E. Zagona (2001), “New Developments on the SAMS Stochastic Hydrology Package,” Proceedings of the ASCE World Water and Environmental Resource Congress, Orlando, FL.

Carron J., E. Zagona and T. Fulp (2000), “Uncertainty Modeling in RiverWare”, Proceedings of the ASCE Watershed Management 2000 Conference, Ft. Collins, CO.

Zagona, E. and Magee, T., “Modeling Hydropower in RiverWare,” in “Waterpower ‘99, Proceedings of the International Conference on Hydropower, ASCE New York, NY, 1999.

Zagona, E., Fulp, T. Goranflo, M. and Shane, R., “RiverWare: A General River and Reservoir Modeling environment,” in “Subcommittee on Hydrology of the Interagency Advisory Committee on Water Data, Proceedings of the First Federal Interagency Hydrologic Modeling Conference, 1998, pp. 5-113 to 5-120.

Zagona, E. and R. Shane, “PRSYM A Modeling Framework for Water Resource Operations Management.” A. Georgakakos and Q.Martin (eds.), Proceedings of the ASCE Fifth Water Resources Operations Management Workshop, 1996, pp. 343-347.

Shane, Zagona, McIntosh and Fulp, “Modeling Framework for Optimizing Basin Hydropower” Proceedings of the ASCE International Conference on Hydropower, 1995.

Magee M., Eschenbach, E. and Zagona, E., “Object-oriented Optimization for Multi-Reservoir Management,” in: J.J. Cassidy (ed.), Waterpower ‘95, Proceedings of the ASCE International Conference on Hydropower, 1995, pp. 1858-1867.

Shane, R., McIntosh, D., Zagona, E. and Fulp, T., “The INTEGRAL Project: Overview,” in J.P. Mohsen (ed.) Proceedings of the Second Congress Held in Conjunction with A/E/C Systems ‘95, ASCE New York, NY, 1995, pp. 203-205.

Zagona, E.A., Shane, R.M., Goranflo, H.M. and Waffel, D., “The INTEGRAL Project: The PRSYM Reservoir Scheduling and Planning Tool,” in J.P. Mohsen (ed.) Proceedings of the Second Congress Held in Conjunction with A/E/C Systems ‘95, ASCE New York, NY, 1995, pp. 210-217.

Eschenbach, E., Zweifel, E., Magee, T., Grinstead, C. and Zagona, E., “Automatic Object-oriented Generation of Goal Programming Models for Multi-reservoir Management,” in: J.P. Mohsen (ed.) Proceedings of the Second Congress Held in Conjunction with A/E/C Systems ‘95, ASCE New York, NY, 1995, pp. 384-391.

INVITED TALKS  (since 2005)

Keynote Address  "Modeling for River System Planning and Management" to the University of Chihuahua Faculty of Engineering  Conference, October 24, 2016.

Address to World Bank Ministerial Tour for water ministries of Egypt, Sudan and Ethiopia: “Technical strategies and mechanisms for cooperative filling approaches for dams in inter-state and international drainage basins,” August 9, 2016, Las Vegas, NV.

Nile Basin Initiative, Second national Experts Group meeting on Strategic Water Resources Analysis, Addis Ababa, Ethiopia: “Addressing Potential Imbalances between water demand and supply – experiences from the Colorado River Basin,”  April 28, 2016.

University of Khartoum, Sudan, Conference on Scientific Research and Innovation for Sustainable Development in Africa, “Model and Analysis Tools for River System Planning and Management” February 22, 2016.

University of Colorado, Department of Civil, Environmental and Architectural Engineering, “The Water Energy Nexus and CADSWES Hydropower Research and Applications” October 2015

Keynote Address to the Fourth Nile Basin Development Forum, October 6, 2014, Nairobi, Kenya

University of California at Los Angeles, Seminar Series “RiverWare Tools and Applications for River System Management,” May 15, 2014.

Coal Creek Rotary Club, Lafayette, Colorado, “Water Management and Climate Change - what is the world coming to?” January 16, 2014.

American Geophysical Union Chapman Conference Panel ,Flow Forecasting and Water Management Applications, invited talk and panelist, Portland, OR, July 28-31, 2013.

Pacific Northwest National Laboratory Workshop, Basin Scale Opportunity Assessment, Deschutes River System, “RiverWare, A General River and Reservoir Modeling Tool,” Bend, OR, February 1, 2013.

Colorado Water Innovation Exposition, University of Colorado “Research and Development of Tools and Techniques to Support Decision-making and River System Management,” January 10, 2013.

“Optimization of Water and Power objectives using RiverWare,” invited talk to the Reservoir System Modeling Technologies Conference , Seattle, WA, February 21, 2012.

Keynote Address to the International High Level Forum on Water Resources and Hydropower, sponsored by the  Ministry of Water Resources of the People’s Republic of China, Oct 17, 2008.

“RiverWare’s Integration into the Corps Water Management System”, invited talk to the US Army Corps of Engineers National CURG meeting July 8-9, 2008

Invited informational presentations and demonstrations of RiverWare to the South African Department of Water Affairs and Forestry, for the Water Resources Systems Models Review - Model Presentation Meeting in Pretoria, 21-22 May, 2008.

“Recent developments in RiverWare” at the joint Japan Power and Water Research Institute and U.S. Bureau of Reclamation Workshop, January 30, 2007, Denver, Colorado.

Presentation: “Decision Support Systems for River Basin Management” by invitation at a two-day National Workshop on “Environmentally-Sustainable Water Resources Management Methodologies”, at the Institute of Science and Technology, Jawaharlal Nehru Technological University, Hyderabad, India, July 3 – 4, 2006, under the sponsorship of TEQIP (Technical Education Quality Improvement Programme).

Presentation: “Decision Support Tools for Water Resources Management” by invitation at the Indo-Us Workshop on Integrating Weather and Climate Information in Water Management July 5-7, 2006, Indian Institute of Tropical Meteorology, Pune, India.

Invited talk and participation on panel "DSS Tools for Operational Decision Making: Assisting Public Agencies" at the Hydrovision 2006 Conference in Portland, Oregon, July 31- August 1, 2006.

“RiverWare and DSS tools”: Invited Lectures sponsored by China’s Institute for Water and Hydropower Research at IWHR, Tsinghua University, the Chinese Academy of Science, the Wuhan Water Resources Bureau, Huazhong University, the Yangtze River Water Resources Commission, and the Taihu Basin authority. June 2005.

“Water Models to Assist Development of Decision Support Systems,” invited presentation to the Colorado Section of the American Association of Civil Engineers, Denver, October 27, 2005

Presentation and demonstrations of RiverWare: invited participation in the Eastern Nile Planning Model Workshop in Addis Ababa, Ethiopia November 3-7, 2005 sponsored by the World Bank and hosted by the Eastern Nile Technical Regional Office.

PROFESSIONAL AFFILIATIONS AND MEMBERSHIPS

American Geophysical Union, American Society of Civil Engineers, American Water Resources Association, Colorado Foundation for Water Education, International Water Resources Association, Universities Council on Water Resources, Society for Decision Making Under Deep Uncertainty