A ria is a coastal inlet formed when a river valley that was never glaciated is partially submerged by rising sea level, leaving a long, branching inlet open to the sea. Because no ice carved the original valley, a ria keeps the gentler, sloped cross section of a river valley rather than the steep walls of a glacially carved fjord.
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Ria (Wikipedia)
In Discipline: Geomorphology, Lead paragraphQuote, In Discipline: Geomorphology, Lead paragraph
A ria (; Galician: ría, feminine noun derived from río, 'river') is a coastal inlet formed by the partial submergence of an unglaciated river valley
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