Plunge pool height of fall, the volume of water, the resistance of the rock below the pool and other factors. The impacting and swirling water, sometimes carrying rocks within it, abrades the riverbed into a basin, which often features rough and irregular sides. Plunge pools can remain long after the waterfall has ceased flow or the stream has been diverted. Several examples of former plunge pools exist at Dry Falls in the Channeled Scablands of eastern Washington. Plunge pools are fluvial features of erosion which occur in the youthful stage of river development, characterized by steeper gradients and faster water flows. Where
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,