**A. Appendix**

The calculation of Christiansen's uniformity coefficient (CUC) for three different rainfall events simulated by our portable rainfall simulator.


*Using Rainfall Simulators to Design and Assess the Post-Mining Erosional Stability DOI: http://dx.doi.org/10.5772/intechopen.112240*

Calculation of Kinetic energy for different rainfall events simulated by portable Rainfall simulator.



Using the flour method to measure the drop size distribution of the Port-RFS.

*Using Rainfall Simulators to Design and Assess the Post-Mining Erosional Stability DOI: http://dx.doi.org/10.5772/intechopen.112240*

Measuring the water flow rate for different rainfall events simulated by portable RFS.


Database of Soil/Spoil Properties (Measured by Khalifa [80]) and Rill/Interrill Erodibilities Assessed with a Portable Rainfall Simulator at 16 Mine Sites in Central Queensland [32, 33, 80].


*Using Rainfall Simulators to Design and Assess the Post-Mining Erosional Stability DOI: http://dx.doi.org/10.5772/intechopen.112240*


*Using Rainfall Simulators to Design and Assess the Post-Mining Erosional Stability DOI: http://dx.doi.org/10.5772/intechopen.112240*
