What does the term 'thalweg' refer to?

The term 'thalweg' refers to the line connecting the lowest points of a riverbed. This concept is significant in understanding river dynamics because the thalweg is the path of fastest flow in a river, typically following the deepest part of the channel. It is essential for various aspects of river management, navigation, and ecology, as it helps identify where most of the river's energy is concentrated, influencing sediment transport and habitat availability.

In a river, the thalweg can change course due to erosion and sediment deposition, making it a dynamic feature that reflects the river's physical changes over time. This understanding is crucial for studying river behavior and managing water resources effectively.