toe scouring,plunge pool action,scour /SCIENCE,BUILDING/
[DE] Auskolkung; Kolk
[EN] toe scouring; plunge pool action; scour
[FR] affouillement
toe scouring,plunge pool action,scour
[DE] Auskolkung; Kolk
[EN] toe scouring; plunge pool action; scour
[FR] affouillement