# Modeling Basics - [Water Resource System Modeling?](/waterstrategy/modeling-basics/water-resource-system-modeling.md) - [What is Pywr?](/waterstrategy/modeling-basics/what-is-pywr.md) - [Pywr Concepts](/waterstrategy/modeling-basics/pywr-concepts.md) - [Node Types](/waterstrategy/modeling-basics/node-types.md) - [Water Input](/waterstrategy/modeling-basics/node-types/water-input.md) - [Input Node](/waterstrategy/modeling-basics/node-types/water-input/input-node.md) - [Catchment Node](/waterstrategy/modeling-basics/node-types/water-input/catchment-node.md) - [Proportional Input Node](/waterstrategy/modeling-basics/node-types/water-input/proportional-input-node.md) - [Water Transport](/waterstrategy/modeling-basics/node-types/water-transport.md) - [Link Node](/waterstrategy/modeling-basics/node-types/water-transport/link-node.md) - [River Node](/waterstrategy/modeling-basics/node-types/water-transport/river-node.md) - [Delay Node](/waterstrategy/modeling-basics/node-types/water-transport/delay-node.md) - [RiverSplit Node](/waterstrategy/modeling-basics/node-types/water-transport/riversplit-node.md) - [RiverSplitWithGauge Node](/waterstrategy/modeling-basics/node-types/water-transport/riversplitwithgauge-node.md) - [RiverGauge Node](/waterstrategy/modeling-basics/node-types/water-transport/rivergauge-node.md) - [BreakLink Node](/waterstrategy/modeling-basics/node-types/water-transport/breaklink-node.md) - [PiecewiseLink Node](/waterstrategy/modeling-basics/node-types/water-transport/piecewiselink-node.md) - [MultiSplitLink Node](/waterstrategy/modeling-basics/node-types/water-transport/multisplitlink-node.md) - [Water Storage](/waterstrategy/modeling-basics/node-types/water-storage.md) - [Storage Node](/waterstrategy/modeling-basics/node-types/water-storage/storage-node.md) - [Reservoir Node](/waterstrategy/modeling-basics/node-types/water-storage/reservoir-node.md) - [VirtualStorage Node](/waterstrategy/modeling-basics/node-types/water-storage/virtualstorage-node.md) - [RollingVirtualStorage Node](/waterstrategy/modeling-basics/node-types/water-storage/rollingvirtualstorage-node.md) - [AnnualVirtualStorage Node](/waterstrategy/modeling-basics/node-types/water-storage/annualvirtualstorage-node.md) - [SeasonalVirtualStorage Node](/waterstrategy/modeling-basics/node-types/water-storage/seasonalvirtualstorage-node.md) - [AggregatedStorage Node](/waterstrategy/modeling-basics/node-types/water-storage/aggregatedstorage-node.md) - [Water Output](/waterstrategy/modeling-basics/node-types/water-output.md) - [Output Node](/waterstrategy/modeling-basics/node-types/water-output/output-node.md) - [Loss Link Node](/waterstrategy/modeling-basics/node-types/water-output/loss-link-node.md) - [Hydropower](/waterstrategy/modeling-basics/node-types/hydropower.md) - [Turbine Node](/waterstrategy/modeling-basics/node-types/hydropower/turbine-node.md) - [Others](/waterstrategy/modeling-basics/node-types/others.md) - [AggregatedNode](/waterstrategy/modeling-basics/node-types/others/aggregatednode.md) - [Allocation Penalties](/waterstrategy/modeling-basics/allocation-penalties.md) - [Scenarios](/waterstrategy/modeling-basics/scenarios.md) - [WaterStrategy Scenarios](/waterstrategy/modeling-basics/scenarios/waterstrategy-scenarios.md) - [Pywr-Scenarios](/waterstrategy/modeling-basics/scenarios/pywr-scenarios.md) - [Parameter and pywr-scenario Integration](/waterstrategy/modeling-basics/scenarios/pywr-scenarios/parameter-and-pywr-scenario-integration.md) - [Parameters](/waterstrategy/modeling-basics/parameters.md) - [Base Parameter Class](/waterstrategy/modeling-basics/parameters/base-parameter-class.md) - [Parameter](/waterstrategy/modeling-basics/parameters/base-parameter-class/parameter.md) - [IndexParameter](/waterstrategy/modeling-basics/parameters/base-parameter-class/indexparameter.md) - [Simple Parameters](/waterstrategy/modeling-basics/parameters/simple-parameters.md) - [Constant](/waterstrategy/modeling-basics/parameters/simple-parameters/constant.md) - [Constant Scenario Parameter](/waterstrategy/modeling-basics/parameters/simple-parameters/constant-scenario-parameter.md) - [Constant Scenario Index Parameter](/waterstrategy/modeling-basics/parameters/simple-parameters/constant-scenario-index-parameter.md) - [Combining multiple parameters](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters.md) - [Aggregated Parameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/aggregated-parameter.md) - [Aggregated Index Parameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/aggregated-index-parameter.md) - [Division Parameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/division-parameter.md) - [Negative Parameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/negative-parameter.md) - [MaxParameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/maxparameter.md) - [Negative MaxParameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/negative-maxparameter.md) - [MinParameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/minparameter.md) - [Negative MinParameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/negative-minparameter.md) - [Offset Parameter](/waterstrategy/modeling-basics/parameters/combining-multiple-parameters/offset-parameter.md) - [Time Series and Profiles](/waterstrategy/modeling-basics/parameters/time-series-and-profiles.md) - [Daily Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/daily-profile.md) - [Weekly Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/weekly-profile.md) - [Monthly Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/monthly-profile.md) - [Uniform Drawdown Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/uniform-drawdown-profile.md) - [Scenario Daily Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/scenario-daily-profile.md) - [Scenario Weekly Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/scenario-weekly-profile.md) - [Scenario Monthly Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/scenario-monthly-profile.md) - [Array Indexed Scenario Monthly Factors](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/array-indexed-scenario-monthly-factors.md) - [RBF Profile](/waterstrategy/modeling-basics/parameters/time-series-and-profiles/rbf-profile.md) - [DataFrame Parameter](/waterstrategy/modeling-basics/parameters/dataframe-parameter.md) - [HDF5 Parameter](/waterstrategy/modeling-basics/parameters/hdf5-parameter.md) - [Array Based Parameters](/waterstrategy/modeling-basics/parameters/array-based-parameters.md) - [Array Indexed Parameter](/waterstrategy/modeling-basics/parameters/array-based-parameters/array-indexed-parameter.md) - [Array Indexed Scenario Parameter](/waterstrategy/modeling-basics/parameters/array-based-parameters/array-indexed-scenario-parameter.md) - [Indexed Array Parameter](/waterstrategy/modeling-basics/parameters/array-based-parameters/indexed-array-parameter.md) - [Threshold Parameters](/waterstrategy/modeling-basics/parameters/threshold-parameters.md) - [Abstract Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/abstract-threshold.md) - [Storage Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/storage-threshold.md) - [Node Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/node-threshold.md) - [Parameter Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/parameter-threshold.md) - [Recorder Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/recorder-threshold.md) - [Current Year Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/current-year-threshold.md) - [Current Ordinal Day Threshold](/waterstrategy/modeling-basics/parameters/threshold-parameters/current-ordinal-day-threshold.md) - [Interpolation Parameters](/waterstrategy/modeling-basics/parameters/interpolation-parameters.md) - [Interpolated Parameter](/waterstrategy/modeling-basics/parameters/interpolation-parameters/interpolated-parameter.md) - [Interpolated Quadrature](/waterstrategy/modeling-basics/parameters/interpolation-parameters/interpolated-quadrature.md) - [Interpolated Flow](/waterstrategy/modeling-basics/parameters/interpolation-parameters/interpolated-flow.md) - [Interpolated Volume](/waterstrategy/modeling-basics/parameters/interpolation-parameters/interpolated-volume.md) - [Control Curve Parameters](/waterstrategy/modeling-basics/parameters/control-curve-parameters.md) - [Base Control Curve](/waterstrategy/modeling-basics/parameters/control-curve-parameters/base-control-curve.md) - [Control Curve Interpolated Parameter](/waterstrategy/modeling-basics/parameters/control-curve-parameters/control-curve-interpolated-parameter.md) - [Control Curve Piecewise Interpolated Parameter](/waterstrategy/modeling-basics/parameters/control-curve-parameters/control-curve-piecewise-interpolated-parameter.md) - [Control Curve Index Parameter](/waterstrategy/modeling-basics/parameters/control-curve-parameters/control-curve-index-parameter.md) - [Hydropower Parameters](/waterstrategy/modeling-basics/parameters/hydropower-parameters.md) - [Others](/waterstrategy/modeling-basics/parameters/others.md) - [Annual Harmonic Series Parameter](/waterstrategy/modeling-basics/parameters/others/annual-harmonic-series-parameter.md) - [Deficit Parameter](/waterstrategy/modeling-basics/parameters/others/deficit-parameter.md) - [Scenario Wrapper Parameter](/waterstrategy/modeling-basics/parameters/others/scenario-wrapper-parameter.md) - [Piecewise Integral Parameter](/waterstrategy/modeling-basics/parameters/others/piecewise-integral-parameter.md) - [Flow Parameter](/waterstrategy/modeling-basics/parameters/others/flow-parameter.md) - [Flow Delay Parameter](/waterstrategy/modeling-basics/parameters/others/flow-delay-parameter.md) - [Discount Factor Parameter](/waterstrategy/modeling-basics/parameters/others/discount-factor-parameter.md) - [Recorders](/waterstrategy/modeling-basics/recorders.md) - [Base Recorder](/waterstrategy/modeling-basics/recorders/base-recorder.md) - [Recorder](/waterstrategy/modeling-basics/recorders/base-recorder/recorder.md) - [Node Recorder](/waterstrategy/modeling-basics/recorders/base-recorder/node-recorder.md) - [Storage Recorder](/waterstrategy/modeling-basics/recorders/base-recorder/storage-recorder.md) - [Parameter Recorder](/waterstrategy/modeling-basics/recorders/base-recorder/parameter-recorder.md) - [Index Parameter Recorder](/waterstrategy/modeling-basics/recorders/base-recorder/index-parameter-recorder.md) - [Aggregator](/waterstrategy/modeling-basics/recorders/base-recorder/aggregator.md) - [Numpy Array Recorders](/waterstrategy/modeling-basics/recorders/numpy-array-recorders.md) - [Numpy Array Node Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-node-recorder.md) - [Numpy Array Storage Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-storage-recorder.md) - [Numpy Array Level Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-level-recorder.md) - [Numpy Array Area Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-area-recorder.md) - [Numpy Array Parameter Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-parameter-recorder.md) - [Numpy Array Index Parameter Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-index-parameter-recorder.md) - [Numpy Array Daily Profile Parameter Recorder](/waterstrategy/modeling-basics/recorders/numpy-array-recorders/numpy-array-daily-profile-parameter-recorder.md) - [Flow Duration Curve Recorders](/waterstrategy/modeling-basics/recorders/flow-duration-curve-recorders.md) - [Flow Duration Curve Recorder](/waterstrategy/modeling-basics/recorders/flow-duration-curve-recorders/flow-duration-curve-recorder.md) - [Storage Duration Curve Recorder](/waterstrategy/modeling-basics/recorders/flow-duration-curve-recorders/storage-duration-curve-recorder.md) - [Flow Duration Curve Deviation Recorder](/waterstrategy/modeling-basics/recorders/flow-duration-curve-recorders/flow-duration-curve-deviation-recorder.md) - [Seasonal Flow Duration Curve Recorder](/waterstrategy/modeling-basics/recorders/flow-duration-curve-recorders/seasonal-flow-duration-curve-recorder.md) - [Deficit Recorders](/waterstrategy/modeling-basics/recorders/deficit-recorders.md) - [Numpy Array Node Deficit Recorder](/waterstrategy/modeling-basics/recorders/deficit-recorders/numpy-array-node-deficit-recorder.md) - [Numpy Array Node Supplied Ratio Recorder](/waterstrategy/modeling-basics/recorders/deficit-recorders/numpy-array-node-supplied-ratio-recorder.md) - [Numpy Array Node Curtailment Ratio Recorder](/waterstrategy/modeling-basics/recorders/deficit-recorders/numpy-array-node-curtailment-ratio-recorder.md) - [Total Deficit Node Recorder](/waterstrategy/modeling-basics/recorders/deficit-recorders/total-deficit-node-recorder.md) - [Deficit Frequency Node Recorder](/waterstrategy/modeling-basics/recorders/deficit-recorders/deficit-frequency-node-recorder.md) - [Statistical Recorders](/waterstrategy/modeling-basics/recorders/statistical-recorders.md) - [Aggregated Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/aggregated-recorder.md) - [Mean Flow Node Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/mean-flow-node-recorder.md) - [Total Flow Node Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/total-flow-node-recorder.md) - [Annual Total Flow Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/annual-total-flow-recorder.md) - [Mean Parameter Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/mean-parameter-recorder.md) - [Total Parameter Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/total-parameter-recorder.md) - [Rolling Mean Flow Node Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/rolling-mean-flow-node-recorder.md) - [Minimum Volume Storage Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/minimum-volume-storage-recorder.md) - [Minimum Threshold Volume Storage Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/minimum-threshold-volume-storage-recorder.md) - [Timestep Count Index Parameter Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/timestep-count-index-parameter-recorder.md) - [Annual Count Index Threshold Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/annual-count-index-threshold-recorder.md) - [Rolling Window Parameter Recorder](/waterstrategy/modeling-basics/recorders/statistical-recorders/rolling-window-parameter-recorder.md) - [Index Recorders](/waterstrategy/modeling-basics/recorders/index-recorders.md) - [Annual Count Index Parameter Recorder](/waterstrategy/modeling-basics/recorders/index-recorders/annual-count-index-parameter-recorder.md) - [File Recorders](/waterstrategy/modeling-basics/recorders/file-recorders.md) - [CSV Recorder](/waterstrategy/modeling-basics/recorders/file-recorders/csv-recorder.md) - [Tables Recorder](/waterstrategy/modeling-basics/recorders/file-recorders/tables-recorder.md) - [Hydro-power Recorders](/waterstrategy/modeling-basics/recorders/hydro-power-recorders.md) - [Hydropower Recorder](/waterstrategy/modeling-basics/recorders/hydro-power-recorders/hydropower-recorder.md) - [Total Hydro Energy Recorder](/waterstrategy/modeling-basics/recorders/hydro-power-recorders/total-hydro-energy-recorder.md)