Flow Network

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thumb|Example for a project area and the abstraction as system plan The system logic describes the flow relations between the individual system elements. This requires the subcatchment division and the water body network, respectively the Gridbased-Division and the grid of flow directions (from a DTM). Furthermore, the respective inflow and outflow elements must be identified for the entire water infrastructure depicted. In the user interface the system logic is entered and displayed as Systemplan, i.e. all system elements are created and connected connected according to the flow direction.