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An ingression coast or depressed coast is a generally level coastline that is shaped by the penetration of the sea as a result of crustal movements or a rise in the sea level .

Such coasts are characterised by a subaerially formed relief that has previously experienced little deformation by littoral ( tidal ) processes, because the sea level, which had fallen by more than 100 metres during the last glacial period , did not reach its current level until about 6,000 years ago.

Depending on the geomorphological shaping of the flooded landform ? e.g. glacially or fluvially formed relief ? various types of ingression coast emerge, such as rias , skerry and fjard coasts as well as forde and bodden coasts. ^[1]

References [ edit ]

^ Leser, Hartmut, ed. (2005). Worterbuch Allgemeine Geographie , 13th ed., dtv, Munich, p. 381. ISBN 978-3-423-03422-7 .

v t e Coastal geography
Landforms	Anchialine pool Archipelago Atoll Avulsion Ayre Barrier island Bay Bight Bodden Brackish marsh Cape Channel Cliff Coast Coastal plain Coastal waterfall Continental margin Continental shelf Coral reef Cove Dune cliff-top Estuary Firth Fjard Fjord Freshwater marsh Fundus Gat Geo Gulf Gut Hapua Headland Inlet Intertidal wetland Island Islet Isthmus Lagoon Machair Mudflat Natural arch Peninsula Reef Ria Salt marsh Shoal Shore Skerry Sound Spit Stack Strait Strand plain Submarine canyon Tidal island Tidal marsh Tide pool Tied island Tombolo Waituna Windwatt
Beaches	Beach cusps Beach evolution Coastal morphodynamics Beach ridge Beachrock Beaches in estuaries and bays Pocket beach Raised beach Recession Shell beach Shingle beach Storm beach Wash margin Beach wrack
River mouths	Debouch River delta mega regressive Mouth bar baymouth
Processes	Blowhole Cliffed coast Coastal biogeomorphology Coastal erosion Concordant coastline Current Cuspate foreland Discordant coastline Emergent coastline Feeder bluff Fetch Flat coast Graded shoreline Ingression coast Large-scale coastal behaviour Longshore drift Marine regression Marine transgression Raised shoreline Rip current Rocky shore Sea cave Sea foam Shoal ( Peresyp ) Steep coast Submergent coastline Surf break Surf zone Surge channel Swash Undertow Volcanic arc Wave-cut platform Wave shoaling Wind wave
Management	Accretion Coastal management Integrated coastal zone management Submersion
Related	Bulkhead line Coastal engineering Grain size boulder clay cobble granule gravel pebble sand shingle silt Intertidal zone Littoral zone Physical oceanography River plume Region of freshwater influence
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References [ edit ]