- As the accuracy of system mapping increases, the importance of hydraulics in the waterbodies increases.
- The parameters of the runoff concentration only refer to the surface runoff in the corresponding sub-catchments, resp. interflow and base flow.
- The illustration of flood-routing within the waterbodies is possible.
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- Simple approaches to the calculation of runoff generation usually manage better with a rough system illustration.
- Both the surface runoff in the sub-catchments and the flood-routing that occur in the waterbodies are included in the parameters of the runoff concentration.
- The illustration of flood-routing within the waterbodies is hardly possible
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