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5.4 - Spits, Tombolos and Bars

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  • ✓Define spit, tombolo and bar as coastal depositional landforms.
  • ✓Explain how waves and longshore drift move and deposit sand to build these features.
  • ✓Describe conditions that encourage deposition (adequate sand supply, shallow water, and lower energy inside bays).
  • ✓Use named Caribbean examples of spits and tombolos in exam answers.
⏱ 0 mins🎯 60 marks
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Imagine you’re at a Caribbean beach after a week of steady trade winds. One side of the bay looks wider and sandier, while the other side looks narrower and rockier. That ‘sand shift’ is the start of big coastal features like spits, tombolos and bars. Quick question: If the wind and waves keep coming from the same direction, will the sand stay put… or travel?
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💡EngageQuestion 9 of 30

Predict: which statement do you think best describes longshore drift?

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💡Engage
Imagine you’re at a Caribbean beach after a week of steady trade winds. One side of the bay looks wider and sandier, while the other side looks narrower and rockier. That ‘sand shift’ is the start of big coastal features like spits, tombolos and bars. Quick question: If the wind and waves keep coming from the same direction, will the sand stay put… or travel?
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