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GCSE Geography · key term
The movement of beach sediment along a coastline by waves approaching the shore at an angle.
Used by AQA, Edexcel and OCR
Specification 3.1.3.2 · Paper 1
The transport of sediment along a coastline through repeated angled swash and backwash down the beach.
Revise: Wave Types and Coastal ProcessesRepeating these movements carries a particle along the beach in a zig-zag path. This transport process is longshore drift.
The movement of sediment along a beach as angled swash carries it up the shore and backwash returns it down the slope.
In a longshore drift diagram, show angled swash, backwash at right angles to the shoreline and the overall direction of sediment transport.
In labelled formation sketches, show changes over time and include useful labels such as the wave-cut notch, direction of cliff retreat or direction of longshore drift.
In a longshore drift explanation, link angled swash to approaching waves and downslope backwash to gravity.
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Movement of sediment along a coastline by waves approaching the shore at an angle.
Specification 1.3, 1.4, 1.5, 1.6, 7A · Paper 1, Paper 3
The transport of sediment along a coastline by repeated angled swash and backwash down the beach.
Revise: Coastal Physical ProcessesLongshore drift describes its overall movement along the coast. When waves approach a beach at an angle, their swash carries sediment diagonally up the beach. Gravity pulls the backwash down the slope, approximately at right angles to the shoreline.
The movement of sediment along a coast as waves approach at an angle and backwash returns down the beach.
The movement of beach sediment along the coast by waves approaching the shore at an angle.
The net movement of beach sediment along a coastline as waves approach the shore at an angle.
The movement of sediment along a coastline as waves approach the shore at an angle.
The movement of beach sediment along the coast as waves approach at an angle, carrying material diagonally up the beach before it returns downslope.
Paper 2
The movement of sediment along a coast through repeated angled swash and backwash straight down the beach.
Revise: Coastal Transportation and Depositional LandformsLongshore drift is the movement of sediment along a coastline. It happens when waves approach a beach at an angle, often because of the prevailing wind—the wind direction that occurs most frequently.
The movement of sediment along a beach as waves approach the shore at an angle.
The movement of sediment along a coastline by waves approaching the shore at an angle.
Specification 3.2a, 3.2b · Paper 1, Paper 3
The movement of sediment along a coastline through repeated angled swash and backwash flowing straight down the beach.
Revise: Coastal Landforms: Erosional and Depositional FeaturesRepeated swash and backwash move sediment along the shore in a zigzag pattern. This movement is called longshore drift. Imagine following one pebble: it moves diagonally up the beach, straight back down, then diagonally up again a little further along the coast.
The movement of sediment along a beach as waves approach at an angle, carrying material up the beach, while backwash returns it downslope.