1. a Cemagref Lyon – UR HHLY, Hydrology-Hydraulics, 3 bis Quai Chauveau, CP 220 , F-69336, Lyon Cedex 09, France
2. b ALTRAN for CNR's Hydraulics and Measurements Laboratory (DPFI-PFL), Port Edouard Herriot, 4 Rue de Chalon-sur-Saône , F-69007, Lyon, France