Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal-Vulnerability Index Method

Figure 5

Thematic map of the main controlling factors in the research area of the Honglin Coal Mine. (a) Thematic map of the hydraulic pressure in the aquifer; (b) thematic map of the water abundance of the aquifer; (c) thematic map of the equivalent thickness of the effective aquiclude; (d) thematic map of the coal mining depth; (e) thematic map of the dip angle of the coal seam; (f) thematic map of the fault complexity.

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