Flood leash surveys in the Landes department

History of flood leashes in the Landes department. Flood leashes are traces left by the level of river waters during a flood. Two other layers complete this table: L_AZI_CRUE_FORTE_S_040 and L_AZI_CRUE_FAIBLE_S_040法国朗德省（Landes Department）洪水痕历史。洪水痕指洪水发生期间河流水位所遗留的痕迹。另有两个图层用于完善此数据集：L_AZI_CRUE_FORTE_S_040 与 L_AZI_CRUE_FAIBLE_S_040。