Watercourse realignments refer to the process of changing the natural course of a river or stream. This can be done for various reasons, such as flood protection or enhancing the ecological value of the watercourse. Synonyms for watercourse realignments include river diversions, stream channel modifications, and river re-routing. These processes involve altering the flow of water and can be achieved through various techniques such as constructing new channels or redirecting water flow through artificial means. River realignments have proven to be effective in reducing flood risks and restoring the health of water ecosystems. However, they can also impact local communities and require careful consideration and planning.