Comparison of the three water resource models
| Reference model | Simulation model | Optimisation model | |
|---|---|---|---|
| Software description |
|
|
|
| Timescale | Daily | Daily | Weekly |
| Spatial scale | Includes North Sussex, Worthing and Brighton | Includes North Sussex, Worthing and Brighton | Includes North Sussex, Worthing and Brighton |
| Spatial resolution | Individual supply and demand nodes within each region | Regional demands | Simplified nodes from Aquator network |
| Calculation mode | Optimisation/simulation | Simulation | Optimisation |
| Annual groundwater licenses | Yes – individual nodes | Yes – regional nodes | Yes – regional nodes but finer scale than those of the simulation model |
| Reservoir control curve | Yes – partially implemented | No | Yes – can be partially or fully implemented |
| Demand profile | Modified 1995 regional demand profile downscaled to the node level | Modified 1995 regional demand profile at the water resource zone level | Modified 1995 regional demand profile at the sub-water resource zone level |
| Running time | ∼30 min per run | ∼15 s per run | ∼2 min per run |
| Reference model | Simulation model | Optimisation model | |
|---|---|---|---|
| Software description | Commercial software used by water companies and other consultancy companies in water resource planning Has a GUI | VB.Net program coded by Lan Hoang based on Has a simple GUI, very little visualisation | Gams program coded by the lead author based on the Aquator Sussex model Can be used for other model network by changing the input files No GUI, linked to a Python visualisation tool |
| Timescale | Daily | Daily | Weekly |
| Spatial scale | Includes North Sussex, Worthing and Brighton | Includes North Sussex, Worthing and Brighton | Includes North Sussex, Worthing and Brighton |
| Spatial resolution | Individual supply and demand nodes within each region | Regional demands | Simplified nodes from Aquator network |
| Calculation mode | Optimisation/simulation | Simulation | Optimisation |
| Annual groundwater licenses | Yes – individual nodes | Yes – regional nodes | Yes – regional nodes but finer scale than those of the simulation model |
| Reservoir control curve | Yes – partially implemented | No | Yes – can be partially or fully implemented |
| Demand profile | Modified 1995 regional demand profile downscaled to the node level | Modified 1995 regional demand profile at the water resource zone level | Modified 1995 regional demand profile at the sub-water resource zone level |
| Running time | ∼30 min per run | ∼15 s per run | ∼2 min per run |
GUI, guided user interface
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