Flow regimes refer to the different patterns of fluid movement in a given environment, often categorized by factors such as speed, turbulence, and viscosity. Common types include laminar flow, where fluid moves in smooth, parallel layers, and turbulent flow, characterized by chaotic and irregular motion. Understanding these regimes is crucial in fields like engineering and environmental science. In natural systems, flow regimes can significantly impact ecosystems and sediment transport. For instance, in rivers, the flow regime influences the distribution of aquatic life and the shape of riverbanks. Managing flow regimes is essential for maintaining healthy habitats and preventing erosion in waterways.