A river valley at the coast that has been inundated by the sea as relative sea level has risen, resulting in a 'drowned valley'
Fjord
A glaciated valley at the coast that has been inundated by the sea. Has steeper rising walls, a straighter long profile and is deeper than a ria due to glaciers over-deepening the valley
Dalmatian coastline
A series of longitudinal river valleys next to the coast that has been inundated leaving parallel ranged of watershed ridges as islands
