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In the study of research, we use the simply method of linear programming by a suit software ”ABQM’ to optimization the cost of ” Tainan Science-Based Industrial Park”.
At the data of input ,the max provide of surface water every month has three rate base on 1000、1250、1500MCM of runoff .At the data of groundwater ,approximately 20﹪of annual precipitation is assumed to contribute to the recharge of this aquifer .The recharge area of the aquifer extends for approximately 20㎞ ,annual recharge is 6.748mcm.We fix the price of groundwater 1NT dollar (groundwater is free)、14.539NT dollars and the price of surface water 9NT dollars .Then we calculate the optimum cost by the suit software ‘ABQM ‘ .
We utilize the consequence of the optimization to conclude the amount of the groundwater we draw monthly. If the groundwater is not enough ,we supplement the surface water and calculate the cost. That is namely the case B.
The consequence indicate , when the groundwater price is 1NT,namely the groundwater is free, the resource of the water which we make choice is the groundwater. When the groundwater is not enough to use, then we choose the surface water. Although the optimization is the case A, we still choose the case B to avoid the groundwater which is extracted outside the limits of itself. When the groundwater price is 14.539NT dollars, the resource of the water we choose is the surface water, when the surface water is not enough to use , then we choose the groundwater.
Summarily, case A is cheaper and more suitable than case B.
Finally, because of the groundwater price has a great influence on the result of this study. But the groundwater price does not still have fixed price at present.
The government should be order the groundwater price as soon as possible. In order to avoid the groundwater extracted too much , the price of the groundwater should be higher than the surface water price.
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