Geomorphology

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27 Cards. Created by Quantum Mechanic ().
Arid/Desert, glacial, and coastal landforms vocabulary.
 
Term  
Definition

headlands

coastal areas jutting out into the sea

refraction

coastal waves focus energy onto headlands

swash

flow of a wave up a beach

backwash

broken wave rolls back downslope by gravity

longshore current

coastal movement of water parallel to the shoreline (along the shore)

beach drifting

coastal zigzag movement of sediment resulting in a general downwind displacement along the coast

dune

pile of sand blown back from the beach

backshore

==berm = coastal flat zone of deposition above waves

berm

==backshore = coastal flat zone of deposition above waves

foreshore

zone of wave action

offshore

constantly submerged part of the coast

spit

long narrow deposit of sediment that grows progressively across the mouths of bays

baymouth bar

spit that has grown to completely enclose its bay

fjord

deep, steep-sloped coastal valleys, once carved by glaciers, now submerged by ocean

barrier island

long, thin sedimentary islands parallel to shore (separated by a lagoon)

lagoon

quiet salty or brackish body of water between barrier islands and mainland

sea stack

large isolated rock standing in water just offshore

terrace

region offshore of a bench where sediments from shore erosion are deposited -- may be uplifted later

cliff-bench-terrace

assemblage of coastal landforms where cliff meets ocean

notch

indentation eroded from the base of a wave-cut cliff