Obstacles to flow at Troyes Champagne Métropole

**A flow barrier** is a water-related structure that causes a change in surface water flow (in talwegs, minor and major river beds and marine submersion areas). Only artificial barriers (from human activity) are taken into account. For the list of variables, see pages 19 to 34 of the attached document: **sandre_sc_geo_obs_1.pdf** INFORMATION: THE DATA GAME IS AVAILABLE IN THREE FORMATS (*.XLSX, *.CSV AND *.GPKG). THE NUMBER OF REGISTRATION IS IN THE ORDER OF: 103