What is a shear drop?

A shear drop refers to a sudden and steep change in the elevation of a surface, often seen in geological formations or landscapes. This can occur in cliffs, waterfalls, or riverbanks where the land abruptly descends. Shear drops can also be relevant in engineering, particularly in the context of structural integrity, where they may affect the stability of buildings or other constructions. In both cases, they represent a significant transition that can have implications for safety and erosion.