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- Activation Date Enabled and Activation Date- defines whether the farm dam will be ignored in the water balance simulation and when the Source begins to use the data of this farm for water balance simulation if it Activation Date Enabled is activeticked. The setup consists of two steps: (1) ticking on the check box of Enable Active Date will ignore this farm data in the water balance simulation. (2) enter a date in the text box of the Activation Date. From that date, Source will begin to use the data of this farm dam in the water balance simulation until the End Date of the simulation. The entered date will be automatically truncated by the Start Date and End Date during the simulation.
In the period before Before the Activate Date (e.g. before 01/01/2000 in Figure 3), the farm dam merely passes on the inflows straight to the outflow without any water balance calculations. The recorders will still be active and record the values during the inactive period, but any calculation-related recorders will be set as zero, and the outflow will equal the inflow. On the date of activation, the node will start functioning as normal. If the the Activation Date Enabled is not ticked, the node is functioning as normal as well.
Note that two parameters (i.e., Activation Date Enabled and Activation Date) are used instead of one parameter because this feature is only required by the farm dam node. Using two parameters in software development can avoid affecting other parts of Source but only affect the fam dam node.
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