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Coastal geography is the study of the constantly changing region between the ocean and the land, incorporating both the physical geography (i.e. coastal geomorphology, climatology and oceanography) and the human geography (sociology and history) of the coast.
Stacks are formed over time by wind and water, processes of coastal geomorphology. [2] They are formed when part of a headland is eroded by hydraulic action, which is the force of the sea or water crashing against the rock. The force of the water weakens cracks in the headland, causing them to later collapse, forming free-standing stacks and ...
Ria – Coastal inlet formed by the partial submergence of an unglaciated river valley; River delta – Silt deposition landform at the mouth of a river; Salt marsh – Coastal ecosystem between land and open saltwater that is regularly flooded; Sea cave – Cave formed by the wave action of the sea and located along present or former coastlines
Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, structure stratification, rock exposure, and soil type.Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains ...
Somalia has the longest coastline in Africa. [11]The Earth has approximately 620,000 kilometres (390,000 mi) of coastline. Coastal habitats, which extend to the margins of the continental shelves, make up about 7 percent of the Earth's oceans, [12] but at least 85% of commercially harvested fish depend on coastal environments during at least part of their life cycle. [13]
Though some beaches form on inland freshwater locations such as lakes and rivers, most beaches are in coastal areas where wave or current action deposits and reworks sediments. Erosion and changing of beach geologies happens through natural processes, like wave action and extreme weather events.
A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water. It is a type of promontory. A headland of considerable size often is called a cape. [1] Headlands are characterised by high, breaking waves, rocky shores, intense erosion, and steep sea cliff.
Chevron (land form) Cliff; Cliff-top dune; Cliffed coast; Coast; Coastal plain; Coastal waterfall; Cold seep; Continental shelf; Continental shelf of Chile; Coral reef; Cowaramup Bombora; Cuspate foreland; Cyclic steps