I am very happy to let you know that the Special Issue published in Earth Surface Processes and Landforms following the MARID VI conference in Bremen in 2019 is now published!
You can read the introduction to the special issue
Lefebvre, A, Winter, C, 2021. Special issue: Marine and river bedforms dynamics, MARID VI. Earth Surface Processes and Landforms 1. https://doi.org/10.1002/esp.5091
and find all the papers here