Learn more Got it! Environmental Systems Applications Water Resources Water Resources, Water Supply and Hydrological Modeling Water resources, water supply and hydrological modeling projects typically involve simulating systems made up of many component parts that are interrelated, and in some cases, poorly characterized. In most situations, the hydrological system is driven by stochastic variables (i.e., precipitation, evaporation, demand) and involves uncertain processes, parameters, and events. GoldSim provides a powerful and visual way to address integrated water resource management problems. GoldSim models consist of high-level elements that are automatically connected in an influence diagram, making calculations more transparent to reviewers and colleagues. In addition, GoldSim has powerful probabilistic simulation capabilities for representing the inherently uncertain and stochastic nature of all real-world systems. GoldSim allows for seamless integration with other tools, such as databases and MS Excel spreadsheets. You can also integrate your GoldSim model directly with external codes such as EPA SWMM or Modflow. GoldSim also provides a specialized set of tools that allow you to create custom designed interfaces, or “dashboards” for your models to make the models accessible to non-technical users. By combining the power and flexibility of a general-purpose and highly-graphical probabilistic simulation framework with specialized modules to support water quality modeling and reliability analysis (e.g., of pumps and other equipment). GoldSim allows you to create realistic models of water supply, water resource, and hydrological systems in order to carry out risk analyses, evaluate potential environmental impacts, support strategic planning, and make better resource management decisions. GoldSim is used by a large number of engineering consulting firms and water resource organizations worldwide to support water resource management applications. Examples Water Quality Modeling Study to Support a Proposed Water Supply Project Modeling Water Demand and Mitigation Requirements for a Growing City Planning for Arizona’s Water Future Evaluating Alternative Water Treatment Strategies Statewide Water Management Planning in California Effects of Climate Change on Water Demand Managing Flood Risk at Wivenhoe and Somerset Dams Reliability Study of a Potable Water Supply System Great Salt Lake Integrated Model Evaluating Alternative Operating Strategies for a Hydropower System Feasibility Assessment for a New Water Supply System Evaluating New Water Supply Projects in Eastern Utah Modeling the Impact of Water Management Practices on Salmon Development of an Adaptive Coal Seam Gas Brine Management Strategy Modules Reliability Contaminant Transport White Papers GoldSim: Using Simulation to Move Beyond the Limitations of Spreadsheet Models Integrated Water Resources Management Applications Using GoldSim Brochure: Water Resources Modeling Made Easier Technical Papers WRRM1 and WRRM2: Implementations in GoldSim of Unit Process Models and IWA Benchmark Models (BSM1 and BSM2) for Nutrient Removal A probabilistic framework to evaluate the uncertainty of design hydrograph: case study of Swannanoa River watershed Coupling PHREEQC with GoldSim for a More Dynamic Water Modeling Experience Modelling Complex Mine Water Closure Challenges using a Coupled FEFLOW-GoldSim Model Operational Safety at U.S. Army Corps of Engineers Dam and Hydropower Facilities Eliminating the Silo Effect Integrated Water, Wastewater, Watershed Model Helps the Atlanta Region Plan a More Holistic Future Sustainability-Based Flood Hazard Mapping of the Swannanoa River Watershed A probabilistic framework for comparison of dam breach parameters and outflow hydrograph generated by different empirical prediction methods A framework for water supply system performance assessment to support integrated water resources management and decision making process Vulnerability Assessment to Support Integrated Water Resources Management of Metropolitan Water Supply Systems Incorporating Potential Severity into Vulnerability Assessment of Water Supply Systems under Climate Change Conditions Impacts of Large-Scale Stormwater Green Infrastructure Implementation and Climate Variability on Receiving Water Response in the Salt Lake City Area Systems Reliability of Flow Control in Dam Safety Developing "Flood Loss Curve" for City of Sacramento Investigation of the Impact of Streamflow Temporal Variation on Dam Overtopping Risk: Case Study of a High-Hazard Dam Evaluating the Impacts of Environmental Flow Alternatives on Reservoir and Recreational Operations Using System Dynamics Modeling Upper Lefroy Community Dam Scenario and Optimisation Modelling Simulation Model of Pumped Hydroelectric Power Plant Central Arizona Project Service Area Model (CAP:SAM) Poverty Bay Groundwater Management: MAR Feasibility Assessment and GoldSim Groundwater Management Tool (Stage 1B) Integrated Urban Water Resources Modeling in a Semi-Arid Mountainous Region Using a Cyber-Infrastructure Framework Stormwater Harvesting Model Using GoldSim for Joint Probability Assessment of Closure Times on Linear Infrastructure Managing Complex Water Resource Systems for Ecological Integrity: Evaluating Tradeoffs and Uncertainty The CO2-PENS Water Treatment Model: Evaluation of Cost Profiles and Importance Scenarios for Brackish Water Extracted During Carbon Storage. Modeling Integration Package - Linking SWMM to GoldSim Stochastic Simulation of Inflow Hydrographs for Wivenhoe and Somerset Dams Wivenhoe Somerset Dam Optimisation Study – Simulating Dam Operations for Numerous Floods Holistic Dam Operations Assessment for Southeast Queensland A Method and Cost Model for Treatment of Water Extracted During Geologic CO2 Storage Impact of Spatial Resolution on Downstream Flood Hazard Due to Dam Break Events using Probabilistic Flood Modeling Water Production Tool for Coal Seam Gas Colorado River Planning and Modeling A CO2-PENS Model of Methods and Costs for Treatment of Water Extracted During Geologic Carbon Sequestration The Impact of Climate Change on a Mine Water Source Application of a Life Cycle Simulation Model to Evaluate Impacts of Water Management and Conservation Actions on an Endangered Population of Chinook Salmon Forecasting Coal Seam Gas Water Production in Queensland's Surat and Southern Bowen Basins Impacts of Future Climate Conditions and Forecasted Population Growth on Water Supply Systems in the Puget Sound Region Decision Support System for Optimizing Reservoir Operations Using Ensemble Streamflow Predictions Climate Change Impacts on Water Management in the Puget Sound Region, Washington State, USA Glenn-Colusa Irrigation District Water Balance Model: A Foundational Component of a District Resource Management Plan Integrated Management of a Finite Water Supply in the Desert Performance of Water Supply Operations Measured by Reliability and Marginal Cost Water Supply Modeling for the North Bowen Coal Basin (Queensland) Using Dynamic System Models for Water Use Accountability and Planning in Georgia Development of a Computer Model to Optimize Recharge Performance Request a Web Demo » Request a Trial Version » GoldSim 14 has been released! 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