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
Physical geography of the Basque Country Navarre until it joins the river of Ebro. Aturri, which joins the sea in the coast of Basque Country, is the largest river and has the biggest water flow. Its source is in Tourmalet and it joins the sea in Baiona, crosses 335 km of land, the last 30 km of which are in Basque Country. It has several tributaries from the Pyrenees, including the Biduze, Errobi, and Aran. Like Aturri, other Basque rivers join the sea in the Bay of Biscay, such as Nerbioi, Bidasoa, Oria, Deba, Urola, and Urumea. The Nerbioi is the longest such river in the