muddy flood water waves below a river lock

water river rapid snow stream winter wave freezing ice waterfall rock sea watercourse waterway shore geology soil muddy flood waves roque falling wild storm wide urban riverbed white splashing tall concrete wall huge created fast former hurricane caused days heavy rain lethal speed city lock disaster catastrophe climate change climate environment desaster disastrous natural hazard human instigated disasters anthropogenic caused manmade flood flooded water flash accidents power flooded land shore flowing flowing