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### Edit Model Parameters

The Model Parameters dialog allows you to edit some model-specific parameters related to the environment in general and to sewer, WWTP and river in detail. The dialog structure and functionality is similar to the substance dialog. One difference is the "Default" button. Whenever substance data is very specific and no usual values can be given, some of the model-related parameters are inconvenient but can be seen in general as a preliminary overview. To make the use of higher model complexity modes somewhat easier, default values can be loaded from the GREAT-ER databases. None of these parameters are needed for simulations on complexity mode one.

The set of WWTP-related parameters is so large that it does not fit on a single card. The most important parameters are grouped on the card. To edit the complete data set launch the dialog using the "complete list ..." button. Please refer to the model documentation for more detailed information on the model's parameters.