Fig. 2From: Evaluation of the high-energy flood of mid-July 2021 as a morphologic driver in the anthropogenically developed Ahr Valley, Germany, in interaction with infrastructuresGIS-based procedure to determine the Lateral Mobility Index (LMI) after Richard et al. [57]. A Old and new river outline at two different times. B New channel area of the new river path in comparison to the old river, C abandoned channel area of the old river in comparison to the new river. The example shows focus area 3 in June 2019 and July 2021Back to article page