Systemelementsdaten/en: Unterschied zwischen den Versionen
Keine Bearbeitungszusammenfassung |
Keine Bearbeitungszusammenfassung |
||
| Zeile 7: | Zeile 7: | ||
The determination of parameters can vary greatly. Some are known (e.g. diameter of a circular pipe), others require extensive preliminary work in a GIS (e.g. the division of a subcatchment using soil maps, land use maps, determining gradients from a DTM in areas reacting hydrologically similar and finally elementary areas). | The determination of parameters can vary greatly. Some are known (e.g. diameter of a circular pipe), others require extensive preliminary work in a GIS (e.g. the division of a subcatchment using soil maps, land use maps, determining gradients from a DTM in areas reacting hydrologically similar and finally elementary areas). | ||
Even if parameters are not known and | Even if parameters are not known and they are the objective of a calibration, a first estimate must be appointed as an inital value for the calibration. | ||
Version vom 26. Januar 2021, 12:01 Uhr
Navigation
| 
| 
| | Once the system elements have been created in the system plan, the calculation method for the individual system elements is selected and filled with the appropriate parameters. This is done in the data sheet for the respective system element.
The determination of parameters can vary greatly. Some are known (e.g. diameter of a circular pipe), others require extensive preliminary work in a GIS (e.g. the division of a subcatchment using soil maps, land use maps, determining gradients from a DTM in areas reacting hydrologically similar and finally elementary areas).
Even if parameters are not known and they are the objective of a calibration, a first estimate must be appointed as an inital value for the calibration.