What is another word for head of tide?
Pronunciation: [hˈɛd ɒv tˈa͡ɪd] (IPA) 
Head of tide is a term that is commonly used in marine and geology circles to refer to the uppermost limit of tidal movement in a given river. It marks the point where the river's current switches from being influenced by tidal forces to being primarily driven by freshwater flow. Synonyms for head of tide include tidal limit, tidal head, tidal fall, tidal zone, saltwater limit, and freshwater boundary. The location of the head of tide is of great significance to both marine and freshwater ecosystems as it has a significant impact on the water chemistry and the physical characteristics of river systems. Understanding the head of tide is vital for managing river flows and maintaining healthy ecosystems.
