1. (IAHR Member), Graduate Civil Engineer, Buildings and Infrastructure, Water Sector, Mott MacDonald, Fitzalan House, Cardiff CF24 0EL, UK
2. previously PhD student, Hydro-environmental Research Centre, Cardiff School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK
3. Lecturer, Hydro-environmental Research Centre, Cardiff School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK
4. (IAHR Member), Senior Lecturer, Hydro-environmental Research Centre, Cardiff School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK