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Waves

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  • 1. Waves Dr. Mark A. McGinleyHonors College and Department of Biological Sciences Texas Tech University
  • 2. Ocean Currents, Waves, and Tides• Ocean currents, waves, and tides all influence water movement in the ocean• Ocean currents are different from ocean waves – Water moves (sort of like a river in the ocean) from place to place in the ocean as a result of ocean currents – Energy moves through the ocean as a result of ocean waves
  • 3. Ocean Waves• Caused by the wind• Energy moves through the water, but the water does not move!!!!• http://eric.boissard.free.fr/waves.html• (remember, things are different near shore when waves start to “break”. More on this later)
  • 4. Ocean Waves
  • 5. Important Characteristics of Ocean Waves• Wavelength- the distance between two wave peaks• Amplitude- distance from the mean sea level to the wave peak• Height- the distance from the wave trough to the wave peak• Period- the time between two adjacent wave peaks passing the same location
  • 6. Ocean Wave Movement• http://www.csun.edu/~aes15831/graphics/ge neral_photos/oceanography/waves/images/or bital_wave.gif• http://www.youtube.com/watch?v=MXWpmY 86lHk
  • 7. Wave Movement
  • 8. Breaking Waves
  • 9. Breaking Waves• http://www.youtube.com/watch?v=8y1MkFZS wIs&feature=related
  • 10. Breaking Waves• http://www.google.com/imgres?hl=nl&sa=X&biw=136 6&bih=624&tbm=isch&tbnid=gxupKPoy- Pwp_M:&imgrefurl=http://oceanexplorer.noaa.gov/ed u/learning/9_ocean_waves/activities/breaking_waves. html&docid=qTjUYOEU2HhFNM&imgurl=http://oceane xplorer.noaa.gov/edu/learning/9_ocean_waves/activiti es/media/breaking_waves.gif&w=690&h=423&ei=wPF NUNnFGe3iyAGfm4DIBA&zoom=1&iact=hc&vpx=817& vpy=301&dur=1&hovh=176&hovw=287&tx=166&ty=9 2&sig=113037204853661644066&page=1&tbnh=110& tbnw=179&start=0&ndsp=18&ved=1t:429,r:10,s:0,i:10 4
  • 11. Big Wave Surfing• http://www.youtube.com/watch?v=OB5c39PZ FQ4
  • 12. Storm Waves
  • 13. Wave Powerhttp://www.eoearth.org/article/Wave_power