Plunge pool softer or fractured rock has been eroded back to a knickpoint, water continues to bombard its base. Because this rock is often less resistant than overlying strata, the water from the higher elevation continues eroding downward until an equilibrium is achieved. A somewhat similar bowl-shaped feature developed by flowing water, as opposed to falling water, is known as a scour hole. These occur both naturally and as a result of bridge building. Plunge pool A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It
Geographical feature Geographical feature Geographical features are naturally-created features of the Earth. Natural geographical features consist of landforms and ecosystems. For example, terrain types, physical factors of the environment) are natural geographical features. Conversely, human settlements or other engineered forms are considered types of artificial There are two different terms to describe habitats: ecosystem and biome. An ecosystem is a community of organisms interacting with its environment. In contrast, biomes occupy large areas of the globe and often encompass many different kinds of geographical features, including mountain ranges. Biotic diversity within an ecosystem is the variability among living organisms from all sources,