HKDSE Geography/E1/External Processes and the Landscape

Erosion

Fluvial

waterfall, rapids at Lam Tsuen River

Mass movement

In badlands, the weathered granitic rocks are very loosely packed. Thus the shear strength contributed by the cohesiveness of soil particles is very weak. The area also lacks vegetation, so no plant roots hold the soil particles together. The slope is therefore more prone to failure.

Deposition