Emergent coastline Emergent coastline An emergent coastline is a stretch along the coast that has been exposed by the sea by a relative fall in sea levels by either isostasy or eustasy. Emergent coastline are the opposite of submergent coastlines, which have experienced a relative rise in sea levels. The emergent coastline may have several specific landforms: The Scottish Gaelic word "machair" or "machar" refers to a fertile low-lying raised beach found on some of the coastlines of Ireland and Scotland (especially the Outer Hebrides. Hudson Bay, in Canada's north, is an example of an emergent coastline. It is still emerging by
Coastline of Brazil the country are not taken into account). The state of Rio de Janeiro's coastline is remarkable for the worldwide known beaches in the capital city, like Ipanema and Copacabana. Also, the state features the Campos Basin, the largest petroleum rich area in Brazil, measuring 100,000 km² and producing 1.49 million barrels of oil every day. The basin extends to the coastline of Espírito Santo. 1,200 km east of Vitória, in Espírito Santo, lie the islands of Trindade and Martim Vaz. Bahia has the longest coastline of the Brazilian states, and also the greatest number of coastal municipalities. Porto Seguro is