Coastal and Oceanic Landforms

 

  • Abyssal fan – An underwater deposit of sediment formed by water currents
  • Abyssal plain – A flat, smooth underwater surface that covers over 50% of the Earth’s surface. It forms the bottom of the continental rise and the top of the oceanic trench
  • Archipelago – A group of islands
  • Atoll – A ring-shaped coral reef
  • Arch – A rock formation with an opening
  • Ayre – A narrow beach across the ends of a shallow bay
  • Barrier bar and barrier island – A flat formation of sand that is parallel to the coast
  • Bay and gulf – A body of water connected to an ocean but surrounded on most sides by land
  • Beach and raised beach – The land along the edge of a body of water, consisting of loose rocks or sand.
  • Beach cusps – Sediment in an arc shape on the shore, caused by the wave action
  • Beach ridge – A ridge running parallel to the water’s edge, caused by wave action
  • Bight – A recessed area in a coastline
  • Blowhole – A hole in the end of a sea cave
  • Channel – A narrow body of water
  • Cape – A portion of land that extends into the sea or ocean
  • Calanque – A steep cove
  • Cliff – A vertical wall of rock
  • Coast – Where the water meets the land
  • Continental shelf – The extended edge of each continent which is underwater
  • Coral reef – Underwater formations of calcium carbonate
  • Cove – A small bay
  • Cuspate foreland – An accumulation of sand and gravel forming a land body that extends like a “finger” into the body of water
  • Dune system – Groups of sand dunes
  • Estuary – A semi-enclosed body of water with a connection to the sea and with at least one inbound source of water
  • Firth – A large bay
  • Fjard – A short, shallow and broad fjord
  • Fjord – a long narrow inlet with steep cliffs
  • Headland – A point of land that extends into a body of water and has a steep drop
  • Inlet – A connection between a bay and the ocean
  • Island, islet – A portion of land that is surrounded on all sides by water
  • Islet – A rock that is surrounded on all sides by water
  • Isthmus – A narrow strip of land with water on each side
  • Lagoon – A shallow body of water
  • Machair – The grassy fields that are inland from a dune ridge
  • Marine terrace – A flat, often slightly inclined, surface with a slight slope on the water side and a steeper slope on the land side
  • Mid-ocean ridge – An underwater mountain system
  • Ocean – A body of salt water
  • Oceanic basin – A basin that is below sea level
  • Oceanic plateau – A flat rock formation that is above the continental slope
  • Oceanic trench – A long, narrow opening on the ocean floor
  • Peninsula – A piece of land that has water on three sides
  • Ria – A river valley that is open to the sea
  • River delta – A deposit of sediment at the mouth of a river where it flows into a larger body of water
  • Salt marsh – An area between the saltwater sea and a piece of land that is flooded by salt water
  • Sea – The salty water that covers 70% of the Earth
  • Sea cave – A cave at the edge of the sea that is formed by wave action
  • Seamount – An underwater mountain
  • Shoal – A sandbar
  • Shore – Where the water meets the land
  • Sound – A large ocean channel between two bodies of land
  • Spit – A piece of land that extends into water
  • Strait – A narrow waterway that connects two larger bodies of water
  • Strandflat – The low land on the actic and antarctic coasts
  • Submarine canyon – A steep valley in the sea floor
  • Surge channel – A very narrow opening in the rocks of the shoreline
  • Volcanic arc – A chain of volcanoes positioned in a slightly curved layout
  • Wave cut platform – The flat area at the base of a cliff created by the waves

About the Author -

Owner and Founder Of Indonesia Spearfishing Charter. I have been hunting land ocean since i was a young boy.

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