What is the main characteristic of a ribbon lake?

A ribbon lake is primarily identified by its long and narrow shape. These lakes are typically formed in glacial valleys where the action of glacial activity has deepened certain sections, creating a lengthy basin. As glaciers retreat, they can leave behind depressions that fill with water, resulting in the elongated structure that characterizes ribbon lakes.

The formation process, combined with the topography of the surrounding land, contributes to their distinctive shape. Unlike other lake types that may be circular or created through different geological processes, ribbon lakes maintain their lengthened profile, which is a direct reflection of the glacial movements in the area.

This understanding aligns with physical geography concepts, which study how natural processes shape landforms and their characteristics.