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Geological Hazards and Their Impact_McGeary_Date_051210

Geological Hazards and Their Impact_McGeary_Date_051210 -...

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Hurricane Hazards (continued) 2) Waves - energy of a wave is proportional to the (height of a wave) 2 also known as H 2 example: 1m wave vs 2 m wave o 2 m wave has 4 times the energy - energy determines amount of damage 3) Wind - wind pushes waves higher 4) Rainfall - highest winds occur where the eye wall is - storm surge to the east - counter clockwise wind Hurricane Mitigation - natural protections - limiting development - building codes - insurance Beaches Beach Erosion and Shoreline Retreat
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constant change
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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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