headland
a steep faced irregularity of the coast that extends out into the ocean
bay
coastal body of water enclosed by land on 3 sides, and open to ocean on other
estuaries
partially enclosed body of water in which salty ocean water is significantly diluted by fresh water from land runodd
wave period
time between 2 wave crests at a fixed point
wave length
horizonal difference betwen to waves
wave height
vertical distance of wave
wave base
depth at which circular orbital motion becomes neglible
breaker/ break water
any artificial structure to protect coastal region
rip currents
strong current flowing seaward
longshore currents
current in surf zone and running parralel to shore
sea stack
isolated pillarlike rocky island that is detatched from a headland by wave erosion
wave cut platforms
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beach
area seaward of coastline through the surf zone that contains materials in transport along the shore
beach face
sloping surface of a beach extending from the berm to the shoreline
berm
dry gently sloping region on the backshore of a beach at the foot of coastal cliffs or dunes
berm crest
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spits
a small point, low tongue, or narrow embarkment of land commonly consisting of sand deposited by longshore currents. one end attatched, one in water
groins
artificial structure projecting into ocean from shore
barrier islands
long narrow wave built island seperated from mainland by lagoon
lagoons
shallow stretch of seawater partly or completly seperated from open ocean by elongated narrow strip of land
jetties
structure built from shore into a body of water to protect longshore drift
tide
periodic rise and fall of ocean surface and connecting inlets resulting from gravitational connection
tidal range
differnce in height between consecutive high and low waters
spring tides
tide of maximun range occuring about every 2 weeks
neap tides
tides of minimal range
relative sea level change
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absolute sea level change
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sea walls
wall built parralel to shore