Fig. 6

Probability density functions (PDFs) of A number of fractures in the backbone networks for all models, B mean flow along the MFD with pressure gradient aligned in the same direction and C permeability anisotropy. For model I, the PDF for the permeability anisotropy cannot be sensibly defined because only 5 networks (0.1%) have non-zero flows in both X and Y directions (labelled with a star for each network)