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Unformatted text preview: • sediment moving around • 42% of people in 2004 lived in coastal counties ←- waves formed by wind blowing across water • stronger winds, bigger waves • height how tall the wave is • wavelength distance between waves o waves touch the bottom at ½ of the wavelength • period the time required for 1 wavelength to pass an observer • when approach shore: o touch bottom o friction drags o slow down o wavelength shorter, wave gets higher o eventually break ← 2) beach erosion from storms ← 3) shoreline retreat • from sea level rise ←...
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- Spring '08
- Tropical cyclone, 1m, 2 m, 42%, Shoreline Retreat, wind pushes waves