Shorelines Vocab.
Published on Apr 12, 2016
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PRESENTATION OUTLINE
Beach
- a pebbly or sandy shore, especially by the ocean between water marks (high & low).
Photo by marcp_dmoz
Wave
- a long(ish) body of water that curls into an arched form, then breaks when on the shore.
Photo by archer10 (Dennis) (70M Views)
Wave Refraction
- the bending of the path of the waves
- a change in the direction of waves as they pass from one medium to another
Photo by Martin LaBar
Longshore transport
- the process responsible for the movement of sand and sediment along a coastline/shore
Photo by James St. John
Wave-cut Cliff
- the narrow, flat area found at the base of a cliff (sea) that was created by the erosion from waves.
Photo by dave-pemcoastphotos.com
wave-cut platform
- the narrow, flat area found at the base of a cliff (sea) that was created by the erosion from waves.
Photo by Blue Square Thing
sea arch
- a natural arch made of rock that has been created by wave erosion of the underside of the rock, leaving just the top behind.
Photo by seanhagen
sea stack
- a column of rock (sedimentary) standing in the sea, remaining after wave erosion of cliffs.
Photo by Vertigogen
Barrier Islands
- a long narrow island lying parallel and close to the mainland
- it protects the mainland from erosion and storms.
Photo by russellstreet
groin
- a rigid hydraulic structure built from an ocean shore or from a river bank that interrupts water flow and limits the movement of sediment.
- Often spelled Groyne
breakwater
- a barrier built out into a body of water to protect a coast or harbor from the force of waves.
- often called a "seawall"
Photo by archer10 (Dennis) (70M Views)
seawall
- a wall or embankment erected to prevent the sea from encroaching on or eroding an area of land.
Photo by Asher Isbrucker
Beach Nourishment
- the process of dumpingsand from elsewhere onto an eroding shoreline to create a new beach or to widen the existing beach
- Does not prevent erosion
Photo by markcbrennan
