Waves

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Waves

  1. 1. Waves Dr. Mark A. McGinleyHonors College and Department of Biological Sciences Texas Tech University
  2. 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. 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. 4. Ocean Waves
  5. 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. 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. 7. Wave Movement
  8. 8. Breaking Waves
  9. 9. Breaking Waves• http://www.youtube.com/watch?v=8y1MkFZS wIs&feature=related
  10. 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. 11. Big Wave Surfing• http://www.youtube.com/watch?v=OB5c39PZ FQ4
  12. 12. Storm Waves
  13. 13. Wave Powerhttp://www.eoearth.org/article/Wave_power

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