The Australian Water Balance Model (AWBM) was developed in the early 1990s by Walter Boughton and is now one of the most widely used rainfall-runoff models in Australia. Many GoldSim models incorporate AWBM for estimating runoff around mine sites and for other projects that simulate rainfall runoff in a watershed. This version of AWBM is intended to be used as a module within other GoldSim models but also works as a standalone model. The inputs to the model are precipitation and potential evapotranspiration time series, along with model parameters that describe the catchment. The output is a runoff rate on a per unit area basis, which can be multiplied by the total catchment area for volumetric runoff.
Here is a screen capture of the new user interface added to this model:
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AWBM version 1.002 added:
Version Report
1. Fixed typo in Surface Stores
2. Re-organized some elements in the graphics pane
3. Rename "Runoff_Rate" and "Total_Runoff" for clarity
4. Revise some element descriptions for better clarity
Model version 1.007 released on Dec 20, 2018
Version Report
1. Changed the Precipitation and ET_Potential time series to represent "instantaneous value" as a rate in mm/d for easier incorporation into other models.
Model version 1.009 released on May 3, 2019
Version Report
1. A user interface was added so that Player users can edit and run AWBM
2. Added a warning if the model time step is different from K_Step constant
3. Updated the schematic
4. Added reporting periods
5. Changed simulation type to deterministic
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