groyne

tree groyne

baumsperre

attracting groyne

inklinante Buhne

sedimentary groyne

Verlandungsbuhne

flood water groyne

Hochwasser-Buhne

pile and rock groyne

Pilotenkorb-Buhne

base flow level groyne

Niederwasser-Buhne

downstream-facing angled groyne

deklinante Buhne