[1
]Department of Geography and Earth Sciences; Aberystwyth University; Aberystwyth UK
[2
]Department of Civil Engineering; University of Ottawa; Ottawa Ontario Canada
[3
]School of Geography; Queen Mary University of London; London UK
[4
]National Institute of Water and Atmospheric Research; Christchurch New Zealand
[5
]Fluvial Dynamics Research Group (RIUS), Department of Environment and Soil Sciences;
University of Lleida; Lleida Spain
[6
]Hydrology Section, Forest Sciences Center of Catalonia; Solsona Spain