
1) Coastal geography
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https://www.crosswordclues.com/clue/longshore-drift

Longshore drift consists of the transportation of sediments (clay, silt, sand and shingle) along a coast at an angle to the shoreline, which is dependent on prevailing wind direction, swash and backwash. This process occurs in the littoral zone, and in or close to the surf zone. The process is also known as littoral drift, longshore current or lon...
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http://en.wikipedia.org/wiki/Longshore_drift

1. The process by which a current moves sediments along a surf zone. 2. The sediments so moved. Longshore drift typically consists of sand, gravel, shell fragments, and pebbles. See also beach drift.
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http://www.encyclo.co.uk/local/22291

The movement of sediment along a coastline caused by waves striking the coast at an oblique angle. T
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http://www.encyclo.co.uk/local/22392

The process in which sediment is moved in a zigzag pattern along a beach by the swash and backwash of waves that approach the shore obliquely.
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http://www.evcforum.net/WebPages/Glossary_Geology.html

The movement and deposition of coastal sediments because of longshore currents.
Found on
http://www.physicalgeography.net/physgeoglos/l.html

Longshore drift is the gradual movement of beach materials such as sand and shingle along a shore. This process is the result of waves breaking at an angle on to a beach: driven by obliquely breaking waves, a thin layer of turbulent water known as the swash moves diagonally up the beach, carrying sand and shingle landward and depositing them when i...
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http://www.probertencyclopaedia.com/browse/AL.HTM

The build up of river borne sediment along a coastline.
Found on
http://www.quick-facts.co.uk/earth/glossary.html

The movement of sediment along a beach by swash and backwash of waves that approach the shore obliquely.
Found on
http://www.scientificpsychic.com/etc/geology-glossary.html

Movement of sediments approximately parallel to the COASTLINE.
Found on
https://www.encyclo.co.uk/local/20127

The process in which sediment is moved along a beach by waves that travel at an angle to the shore, or by tidal, wind-driven, or other currents.
Found on
https://www.encyclo.co.uk/local/20689
Click images to enlargeMovement of material along a beach. When a wave breaks at an angle to the beach, pebbles are carried up the beach in the direction of the wave (swash). The wave returns to the sea at right angles to the beach (backwash) because that is the steepest gradient, carrying some pebbles with it. In this wa...
Found on
https://www.encyclo.co.uk/local/21221

The general movement of sediment parallel to the shoreline. Waves generally carry sediment up the shore face at an angle to the shoreline, but carry it straight out again, resulting in a net longshore displacement.
Found on
https://www.encyclo.co.uk/local/22327

movement of sediment along a shoreline by wave action.
Found on
https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3451.h
No exact match found.