Blight presented the Master Beach profile equation in 1994 (Ref. 1). 
Equation2: Master Profile Equation
The shape factor, , can either be:
•Constant; or
•Variable. 
| Notes: 1.A shape factor of less than one generates a convex beach. 2.A shape factor of more than one generates a concave beach.  | 
| References 1.Blight GE. Jan 1994. "The Master Profile for Hydraulic Fill Tailings Beaches". Proceedings of the Institution of Civil Engineering (UK). pp27 – 40.  |