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A coast – also called the coastline, shoreline, or seashore – is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. [1] [2] Coasts are influenced by the topography of the surrounding landscape, as well as by water induced erosion, such as waves.
Collapsed Ordovician limestone bank showing coastal erosion.NW Osmussaar, Estonia.. 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.
The coastline paradox is the counterintuitive observation that the coastline of a landmass does not have a well-defined length. This results from the fractal curve -like properties of coastlines; i.e., the fact that a coastline typically has a fractal dimension .
Defining the shoreline is a difficult task due to its dynamic nature and the intended application. [25] [26] The relevant mapping scale is dependent on the context of the investigation. [26] Generally, the coast comprises the interface between land and sea, and the shoreline is represented by the margin between the two. [27]
OAHU, Hawaii — Hawaii’s most famous coastline, Waikiki Beach, is not going to be the same in the next 50 years. ... These types of barriers are known as shoreline hardening, a manmade way to ...
A marine coastal ecosystem is a marine ecosystem which occurs where the land meets the ocean. Worldwide there is about 620,000 kilometres (390,000 mi) of coastline. Coastal habitats extend to the margins of the continental shelves, occupying about 7 percent of the ocean surface area.
Submergent coastline are the opposite of emergent coastlines, which have experienced a relative fall in sea levels. Many submergent coastlines were formed by the end of the Last Glacial Period (LGP), when glacial retreat caused both global sea level rise and also localised changes to land height.
Set your sights on these beautiful stretches of shoreline from Maine to Florida. Here, the best East Coast beaches in the U.S. The 16 Best East Coast U.S. Beaches to Visit for Postcard-Worthy Views