1. School of Environment Faculty of Science University of Auckland Auckland New Zealand
2. Saint‐Venant Hydraulics Laboratory & Cerema Chatou Paris France
3. LGO UMR 6538 CNRS, IUEM, UBO & Cerema Plouzané France
4. LETG UMR 6554 CNRS, UBO Plouzané France
5. University of Southampton Southampton England