Systemelementsdaten/en: Unterschied zwischen den Versionen

Aktuelle Version vom 26. Januar 2021, 12:03 Uhr

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Once the system elements have been created in the system plan, the calculation method for individual system elements is selected and appropriate parameters are inserted. This is done in the data sheet for each 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.

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 {{Navigation|vorher=Load definition/ Model input|hoch=Work steps for model creation|nachher=Operation plan}}
-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 [[Special:MyLanguage/Fenster der Systemelemente#Datenblatt der Systemelemente|data sheet]] for the respective system element.
+Once the system elements have been created in the system plan, the calculation method for individual system elements is selected and appropriate parameters are inserted. This is done in the [[Special:MyLanguage/Fenster der Systemelemente#Datenblatt der Systemelemente|data sheet]] for each respective system element.
-Die Ermittlung der Kenngrößen und Parameter gestaltet sich dabei sehr unterschiedlich. Manche sind bekannt (z.B. Rohrdurchmesser eines Kreiskanals), andere erfordern aufwendige Vorarbeiten in einem GIS (z.B. die Unterteilung eines Teileinzugsgebiets mithilfe von Bodenkarten, Landnutzungskarten und dem aus dem DGM ermittelten Gefälle in hydrologisch ähnlich reagierende Gebiete, den Elementarflächen).
+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).
-Auch wenn Parameter nicht bekannt sind und der Gegenstand einer Kalibrierung sein sollen, müssen diese mit einer ersten Schätzung als Start für die Kalibrierung gefüllt werden.
+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.