Implications of the selection of a particular modal decomposition technique for the analysis of shallow flows

[1 ] Post-Doctoral Researcher, National Energy Technology Laboratories, Department of Energy, Morgantown, WV, USA

[2 ] (IAHR Member), Department of Mining Engineering and Department of Hydraulics and Environmental Engineering, Pontifical Catholic University of Chile, Santiago, Chile

[3 ] Prize Senior Lecturer, Department of Civil & Structural Engineering, Sheffield Fluid Mechanics Group, University of Sheffield, Sheffield, UK