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geo chap 41 42
Terms in this set (29)
Interaction of hydrosphere, atmosphere, lithosphere
(Latin "shore") includes coast, beach and
the part of a shore between high- and low-water marks, or between the water and cultivated or developed land.
part or zone of a beach profile that extends landward from the sloping foreshore to a point of either vegetation development or a change of physiography
A beach is a narrow, gently sloping strip of land that lies along the edge of an ocean, lake, or river. Materials such as sand, pebbles, rocks, and seashell fragments cover beaches.
part of the beach extending from a nearshore shallow depth to the limit of maximum inundation, the place where breakers are formed.
the distance between successive crests of a wave
height of the wave, measured from the equilibreum
waves of transition
As they approach the coast they become waves of translation.
waves of translation
carry sediment, create drag, create breaker.
zigzag motion of water in the breaker zone
running parallel with shoreline
transport of sand on a beach parallel with a shoreline
a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms
an extended stretch of beach material that projects out to sea and is joined to the mainland at one end. Spits are formed where the prevailing wind blows at an angle to the coastline, resulting in longshore drift
a stretch of salt water separated from the sea by a low sandbank or coral reef
channel, maintained by tidal flow, connecting the ocean with a bay, lagoon or marsh and tidal creek system. Tidal inlets typically cut through shore-parallel barriers and spits
broad inlet of the sea where the land curves inward
a depositional feature as a result of longshore drift. It is a spit that completely closes access to a bay, thus sealing it off from the main body of water
a bar of sand or shingle joining an island to the mainland
seaward flow as tide
landward flow as tide
sun moon earth all in line
sun moon earth all out of line
erosion that occurs when the motion of water against a rock surface produces mechanical weathering
the mechanical scraping of a rock surface by friction between rocks and moving particles during their transport by wind, glacier, waves, gravity, running water or erosion
remnants of headlands
• wave refraction causes erosion on three sides of headlands
result of abrasion and hydraulic action of water
• planning effect as shoreline diurnally transgresses/regresses over platform
result of abrasion by pebble/cobble clasts on terrace
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