Jaugeage des rivières par ADcp : pour une culture commune

ADcp river discharge measurement: sharing experience

¹ Cemagref, Unité de Recherche Hydrologie-Hydraulique, 3 bis quai Chauveau CP 220 F-69336 Lyon cedex 09, France
² CNR Laboratoire Hydraulique et Mesures, 4 rue de Châlon-sur-Saône F-69007 Lyon, France
³ DIREN Rhône-Alpes SHAC, BP 606 F-21016 Dijon, France
⁴ EDF DTG, 18 avenue Poincaré, BP 423 F-19311 Brive cedex, France
⁵ IRD Martinique, 3 rue de la rose des vents BP 8006, F-97259 Fort-de-France cedex, France

Abstract

The aDcp (acoustic Doppler current profiler) is an efficient tool increasingly used for stream gauging when deployment is possible. Most often, aDcp discharge measurements are in good agreement with standard methods. However, the requirements of correct operation are not fully reported yet and practices are far from unified. Consequently operators, hydrometric network administrators, engineers and research scientists from different French organizations have decided to share ideas about aDcp river discharge measurement, beyond technical support from manufacturers. Within this “Doppler Group”, the sharing of varied knowledge and experience, of technological watch, of documents and procedures is a first step towards common culture. The group plans to investigate the uncertainty factors in the aDcp method and to define methodological guidelines through user documents and field operation notes.