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Overview of WEAP

Overview of WEAP. Water Evaluation and Planning System WEAP. A generic, object-oriented, programmable, integrated water resources management modelling platform. Node-link architecture connects water supplies to demands

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Overview of WEAP

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  1. Overview of WEAP

  2. Water Evaluation and Planning SystemWEAP • A generic, object-oriented, programmable, integrated water resources management modelling platform

  3. Node-link architecture connects water supplies to demands Each demand is assigned a priority and a preferences among available supplies Determines order in which demands are met Determines order in which sources are used Constrained by link capacities LP solution optimizes distribution of water at each time step WEAP Structure

  4. Examples of Analyses • Sectoral demand analyses • Water conservation • Water rights and allocation priorities • Groundwater and streamflow simulations • Reservoir operations • Hydropower generation • Pollution tracking • Ecosystem requirements

  5. Extent of Use Visits to WEAP21 Website Oct 28, 2007 - May 14, 2008 32,227 visits from 2564 cities

  6. WEAP Applications • Water Systems Planning • Small Reservoirs Project, Ghana/Brazil • California Water Plan, California, USA • Guadiana River, Spain • Transboundary Water Policy • Okavango River, Angola/Namibia/Botswana • Lower Rio Grande, USA/Mexico • Mekong River, Thailand/Cambodia/Vietnam/Laos • Jordan River, Syria/Israel/Jordan • Climate Change Studies • Sacramento and San Joaquin River Basins, California, USA • Massachusetts Water Resources Authority, Massachusetts, USA • Yemen Second National Communication • Mali Second National Communication • Ecological Flows • Connecticut Department of Environmental Protection, Connecticut, USA • Town of Scituate, Massachusetts, USA

  7. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  8. Linking supply and demand Menu bar 5 Main Views Return flows to surface or ground water or treatment plants WEAP Network Schematic

  9. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  10. Data View Data for the demand sites is displayed numerically and graphically

  11. Reading from Files Read in timeseries data from text files or Access database

  12. Building expressions Use the time series wizard or expression builder

  13. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  14. Results can be displayed in a number of formats and scales Results View

  15. Results Displayed on the Map

  16. Scenario Explorer Favorite charts can be selected to give quick overviews

  17. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  18. Notes View Select any part of the tree to enter notes about assumptions and references

  19. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  20. Read-from-file Method Historical or synthetic data Import from ASCII files Rainfall-Runoff Lumped parameter Semi-distributed Sub-watershed specific Climate input Simplified Water-Year Method Describe a series of water year types from very dry to very wet Enter the water year sequence Hydrology

  21. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Hydrology may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  22. Hydropower Specify capacities, efficiencies, and other properties of power generation

  23. Financial Analysis Specify variable and fixed costs and revenues

  24. Water Quality Specify pollutant loadings

  25. Easy to use interface facilitates learning, data input, and scenario development Input can be from files or user specified functions Multiple scenarios can be run and displayed graphically at one time Use of notes allows for internal documentation of scenarios Streamflows may be climate driven or from gage data Several internal modules to choose from (eg Hydropower generation, Financial analysis, Water quality) Dynamically links to other models WEAP Capabilities

  26. Linking WEAP to Other Software • Customized/Programmed links • Groundwater flow model • MODFLOW • Surface water quality model • Qual2K • User-defined links to dynamic-link libraries • California Department of Water Resources • Delta salinity model • East-Bay Municipal Utilities District • Reservoir operations model • Call WEAP using application programming interface (API) • Scenario analysis • CARS (RAND Corporation) • Model calibration • PEST • Sensitivity analysis • VB script

  27. Linking WEAP to MODFLOW

  28. Linking WEAP to MODFLOW

  29. WEAP Highlights • Integrated water resources planning system • GIS-based, graphical drag and drop interface • Model-building tool – user-created variables and modeling equations • Basic Methodology: physical simulation of demands and supplies • Scenario management capabilities • Dynamic links to spreadsheets & other models

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