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Objects and Methods
The Reach object models open-channel flow.
It includes user methods to control how open-channel flow is modeled. With these methods, you can choose from very simple to very complex routing equations. You can include or exclude the modeling of diversion, gains or losses, return flow, inflow, and the management of stage and volume calculations.
The reach can solve downstream in all cases, and it can solve upstream for some Routing methods.
Revised: 08/02/2021