Acknowledgements
The authors gratefully acknowledge the continuing support of the EPSRC, ESRC and NERC for their flood research funding. They also wish to acknowledge the financial support given by DEFRA under their FD2015 project and the Office of Science and Technology Future Flooding initiative. The valuable comments made by anonymous referees and Vincent Nadin on an earlier version of this paper are appreciated. Finally, gratitude is extended to Marta Fole for her continued support in attracting research funding.