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Barrier island contrasted with other coastal landforms. Barrier islands are a coastal landform, a type of dune system and sand island, where an area of sand has been formed by wave and tidal action parallel to the mainland coast. [1] They usually occur in chains, consisting of anything from a few islands to more than a dozen.
Example of land loss in coastal Louisiana between 1932 and 2011; detail of Port Fourchon area. Coastal erosion in Louisiana is the process of steady depletion of wetlands along the state's coastline in marshes, swamps, and barrier islands, particularly affecting the alluvial basin surrounding the mouth of the Mississippi River.
For example, Dean and Maurmeier in 1983 modified the rule to be applicable to barrier shores and islands, some of which experience accretion instead of erosion. [4] [16] Rosati et al. in 2013 [15] and Dean and Houston in 2016 [17] have modified the rule to account for onshore transport, and cross shore movement over the supposed depth of closure.
Coastal erosion is the loss or displacement of land, ... The area is said to be the fastest-eroding shore of the United States' West Coast. Measures were finally ...
The river delta is a three-million-acre (4,700 sq mi; 12,000 km 2) area of land that stretches from Vermilion Bay on the west, to the Chandeleur Islands in the east, on Louisiana's southeastern coast. [1] It is part of the Gulf of Mexico and the Louisiana coastal plain, one of the largest areas of coastal wetlands in the United States. [2]
Beach evolution is a natural process occurring along shorelines where sea, lake or river water erodes the land. Beaches form as sand accumulates over centuries through recurrent processes that erode rocky and sedimentary material into sand deposits.
A spit (cognate with the word for a rotisserie bar) or sandspit is a deposition bar or beach landform off coasts or lake shores. It develops in places where re-entrance occurs, such as at a cove's headlands , by the process of longshore drift by longshore currents.
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.