Flow channelling variability in transit times and tortuosity in a fractured rock model with small scale heterogeneity

Description for file "simulation-particle-data-all-cases".

First row is header information, as follows: 

Column 1, label "avf"   The variance of fracture aperture fields (m2)

Column 2, label "sdx"   The correlation length factor of fracture aperture fields (-)

Column 3, label "t"   Particle transit time (yr)

Column 4, label "log_t"   Base-10 logarithm of transit time 

Column 5, label "l"   Particle trajectory length (m)

Column 6, label "tort"   Particle trajectory tortuosity (-)