What might suggest a weak sinuosity in a stream?

A weak sinuosity in a stream indicates that the stream does not curve significantly and instead maintains a more linear path. In this context, straight sections of a stream are characteristic of low sinuosity, where the water flows without major deviations or twisting turns. This creates a streamlined flow pattern that lacks the complexity of meandering or frequent bends.

In contrast, meandering movements display a higher degree of sinuosity as they indicate multiple bends and turns in the stream. Frequent bends would imply a more complex and sinuous flow pattern, while high debris presence may influence a stream's characteristics but does not directly indicate sinuosity levels. Thus, recognizing straight sections is essential in identifying a weak sinuosity in a stream’s profile.