Mon Prof Augmenté
Coastal Wind
Uneven heating of land and sea creates areas of higher and lower pressure. Air moves from higher pressure to lower pressure, and we feel this movement as wind.
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In the picture
- The low sun: it heats land and sea unevenly.
- Air above sunlit rocks: it warms, rises, and leaves lower pressure near the ground.
- Air above the sea: it stays cooler and denser, with higher pressure that pushes toward land.
- Bending trees and leaves: they show air moving from higher pressure to lower pressure across the shore.
Examples
- A sea breeze on a sunny beach
- A draft through a window gap on a cold day
Key takeaways
- Wind is air moving from higher pressure to lower pressure.
- Uneven solar heating creates the pressure differences that drive wind.
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