The unintended impacts of training walls and groynes

Training walls and entrance breakwaters have long been used to keep estuary entrances clear of shoals that threaten boat navigation and increase flood risks for nearby communities. But new research by Alexander Nielsen of Worley Consulting and coastal engineer Angus Gordon reveals that these structures may be causing long-term damage. Their study uncovers how engineered inlets are reshaping the flow of water through estuaries, disrupting wetland ecosystems and triggering costly maintenance challenges.