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
Submergent coastline Submergent coastline Submergent coastlines are stretches along the coast that have been inundated by the sea by a relative rise in sea levels from either isostacy or eustacy. Submergent coastline are the opposite of emergent coastlines, which have experienced a relative fall in sea levels. Features of a submergent coastline are drowned river valleys or rias and drowned glaciated valleys or fjords. Estuaries are often the drowned mouths of rivers. The Western Coastal Plains of the Indian subcontinent are examples of submergent coastline. The ancient city of Dvārakā, which is mentioned in the great epic Mahabharata, is now under water.