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This section defines the theory for calculation of flows in CRiSP.1. Flow information is treated differently for the Monte Carlo and Scenario Modes. In the Monte Carlo Mode, average flows over defined periods at the dams are read as input from flow archive files. The period average flows are then modulated to give simulated daily flows at the dams. Using this information, flows in the headwaters are calculated with an upstream propagation algorithm. Finally, flows through river segments are calculated from the headwaters with the downstream propagation algorithm. In the Scenario Mode, flows can be specified at headwaters using modulators based on historical flows or drawn in using the mouse. Outflows from storage reservoirs are specified according to the volume constraints of the reservoirs. Finally, river flows are produced using the downstream propagation algorithm which combines storage reservoir flows and unregulated headwater flows.
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Columbia River Salmon Passage Model CRiSP.1.5 Theory, Calibration & Validation Manual
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