Articles

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Model Performance Sensitivity to Objective Function during Automated Calibrations, Journal of Hydrologic Engineering (2012)

Previous studies have reported limitations of the efficiency criteria commonly used in hydrology to describe...

 

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Improving Model Performance Using Season-Based Evaluation, Journal of Hydrologic Engineering (2012)

Computer models have become vital decision-making tools in many areas of science and engineering including...

 

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Sensitivity of a Distributed Watershed Simulation Model to Spatial Scale (with John W. Nicklow and Elias G. Bekele), Journal of Hydrologic Engineering (2007)

The results of distributed watershed models could be sensitive to spatial and temporal scales at...

 

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Sensitivity and uncertainty analysis coupled with automatic calibration for a distributed watershed model (with John W. Nicklow), Journal of Hydrology (2005)

Distributed watershed models should pass through a careful calibration procedure before they are utilized as...

 

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Decision Support for Watershed Management Using Evolutionary Algorithms (with John W. Nicklow), Journal of Water Resources Planning and Management (2005)

An integrative computational methodology is developed for the management of nonpoint source pollution from watersheds....

 

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Joint Application of Artificial Neural Networks and Evolutionary Algorithms to Watershed Management (with John W. Nicklow), Water Resources Management (2004)

Artificial neural networks (ANNs) have become common data driven tools for modeling complex, nonlinear problems...

 

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Evolutionary algorithms for multiobjective evaluation of watershed management decisions (with John W. Nicklow), Journal of Hydroinformatics (2002)

The comprehensive and systematic management of watersheds is essential for reducing the adverse environmental impacts...

 

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Watershed Management Technique to Control Sediment Yield in Agriculturally Dominated Areas (with John W. Nicklow), Water International (2001)

Non-point source pollution is recognized internationally as a critical environmental problem. In Illinois, soil erosion...

 

Conference Proceedings

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Improving Model Performance Using Dynamic Evaluation and Proper Objective Function, Proceedings of the 2011 Conference of the Environmental and Water Resources Institute: Palm Springs, CA (2011)

Models have become important decision making aids. Model evaluation (i.e., global sensitivity analysis, calibration and...

 

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Modeling Erosion and Sedimentation Processes in the Chorro Creek Subwatershed to Evaluate and Develop Effective Watershed Management Approaches (with Michael Randall), Proceedings of the 2011 Conference of the Environmental and Water Resources Institute: Palm Springs, CA (2011)

The Morro Bay Watershed, located in San Luis Obispo County, California, covers more than 48,000...

 

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Evaluating Effectiveness of Best Management Practices to Control Accelerated Sedimentation of the Morro Bay Estuary, Proceedings of the 2010 Watershed Management Conference: Madison, Wisconsin (2010)

The Morro Bay estuary, located on the central Coast of California approximately half way between...

 

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Comparison of Model Evaluation Methods to Develop a Comprehensive Watershed Simulation Model, Proceedings of the 2010 Conference of the Environmental and Water Resources Institute: Palm Springs, CA (2010)

Comprehensive environmental models such as the Soil and Water Assessment Tool (SWAT) are becoming an...

 

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Multi-objective Design of Transient Network Models (with Bong Seog Jung and Paul F. Boulos), Proceedings of the 2009 Conference of the Environmental and Water Resources Institute: Kansas City, Missouri (2009)

The optimal design of a water distribution system under transient conditions is formulated as a...

 

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Analysis and Calibration of RDII and Design of Sewer Collection Systems (with Paul F. Boulos), Proceedings of the 2008 Conference of the Environmental and Water Resources Insitute: Honolulu, Hawaii (2008)

Excessive wet weather flow resulting from rainfall-derived inflow and infiltration (RDII) is a major source...

 

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Multiobjective Optimization for Optimal Design of Urban Drainage Systems (with Paul F. Boulos), Proceedings of the 2007 Conference of the Environmental and Water Resources Institute: Tampa, FL (2007)

Control of sewer overflows, the leading cause of water pollution in the nation’s water bodies,...

 

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An Innovative Geocentric Decision Support Solution to Comprehensive Planning, Design, Operation, and Management of Urban Drainage Systems (with Paul F. Boulos, Chun-Hou Orr, and Jun Je Ro), Proceedings of the 2006 Conference of the Environmental and Water Resources Institute: Omaha, NE (2006)

Geographic Information System (GIS) is quickly becoming a critical component to develop and sustain asset...

 

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Using Genetic Algorithms and Particle Swarm Optimization for Optimal Design and Calibration of Large and Complex Urban Stormwater Management Models (with Paul F. Boulos, Chun-Hou Orr, and Jun Je Ro), Proceedings of the 2006 Conference of the Environmental and Water Resources Institute: Omaha, NE (2006)

Computer models are vital for the evaluation and management of urban drainage systems. Usefulness of...

 

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A Multiobjective SDSS for Management of Urbanizing Watersheds: The Case of the Lower Kaskaskia Basin, Illinois (with Kyle O. Allred, John W. Nicklow, and Leslie A. Duram), Proceedings of the 2003 Conference of the Environmental and Water Resources Institute: Philadelphia, PA (2003)

The conversion of natural and agriculturally dominated watersheds to industrial, commercial and residential developments leads...

 

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Using Genetic Algorithms and SWAT to Minimize Sediment Yield From an Agriculturally Dominated Watershed (with John W. Nicklow), Proceedings of the 2001 World Congress on Water and Environmental Resources: Orlando, FL (2001)

Non-point source pollution is well recognized as one of the most critical environmental hazards of...