Applying Hybrid Heuristic Approach to Identify Contaminant Source  Information in Transient Groundwater Flow Systems

<table>The groundwater flow system has an area of 540 m by 540 m and the domain is divided into three areas with different hydraulic conductivities and recharge rates. The real source is located at S1 and A to H represent the monitoring wells. The slash grids represent no flow boundary.</table>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Applying Hybrid Heuristic Approach to Identify Contaminant Source  Information in Transient Groundwater Flow Systems 