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Ocean sonar

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Ocean sonar

  1. 1. Ethan
  2. 2. <ul><li>Map the ocean floor </li></ul><ul><li>Determine water depth </li></ul><ul><li>Identify objects </li></ul><ul><ul><li>Military purposes </li></ul></ul><ul><ul><li>Detect objects such as submarines </li></ul></ul><ul><li>Scientific missions </li></ul><ul><ul><li>Listening to the ocean </li></ul></ul>
  3. 3. <ul><li>Does not emit signal </li></ul><ul><li>More convenient than sight or radar </li></ul><ul><li>Goes faster in water </li></ul>
  4. 4. <ul><li>Confusion </li></ul><ul><li>Deaths and injuries </li></ul><ul><li>Damage to ears </li></ul><ul><li>Damage to body tissue </li></ul><ul><li>Masking of communication </li></ul><ul><li>Interference in interpretation of environment </li></ul><ul><li>Interference in food finding </li></ul>
  5. 5. <ul><li>Passive sonar </li></ul><ul><ul><li>Does not emit sound </li></ul></ul><ul><ul><li>Receives sound </li></ul></ul><ul><li>Non-acoustic sensors </li></ul><ul><ul><li>Magnetic </li></ul></ul><ul><ul><ul><li>Silently detects objects </li></ul></ul></ul><ul><ul><ul><li>Limited range </li></ul></ul></ul><ul><ul><li>Satellite imaging </li></ul></ul><ul><ul><ul><li>Limited use </li></ul></ul></ul><ul><li>Integrated sensory network </li></ul>
  6. 6. <ul><li>Gain knowledge </li></ul><ul><ul><li>Charting and mapping </li></ul></ul><ul><ul><li>Scientific explorations </li></ul></ul><ul><li>Protect it </li></ul><ul><ul><li>Detect mines </li></ul></ul><ul><li>Damage it </li></ul><ul><ul><li>Pollute it with sound </li></ul></ul><ul><ul><li>Harm marine life </li></ul></ul>
  7. 7. <ul><li>Why do believe sonar should or should not be used? </li></ul><ul><li>What effect does it might have that aren’t marine animals? </li></ul><ul><li>What ways can sonar be used positively? </li></ul>
  8. 9. <ul><li>Sonar </li></ul><ul><ul><li>SOund Navigation And Ranging </li></ul></ul><ul><ul><li>Should be used sparingly </li></ul></ul><ul><ul><li>Vital to navy </li></ul></ul><ul><ul><li>Harmful to marine life </li></ul></ul>
  9. 10. <ul><li>http://www.marineconnection.org/campaigns/sonar_sonar.html </li></ul><ul><li>http://oceanexplorer.noaa.gov/technology/tools/sonar/sonar.html </li></ul><ul><li>http://www.oceanmammalinst.com/safealternatives-to-lfas.htm </li></ul><ul><li>http://www.newton.dep.anl.gov/askasci/eng99/eng99279.htm </li></ul><ul><li>http://oceanservice.noaa.gov/facts/sonar.html </li></ul><ul><li>http://blogs.venturacountystar.com/greenberg/archives/qqxsgSonarWhales.jpg </li></ul><ul><li>http://www.buzzle.com/img/articleImages/35188-21.jpg </li></ul><ul><li>http://www.factmonster.com/images/ESCI230OCEFLO002.gif </li></ul><ul><li>http://walrus.wr.usgs.gov/equip/images/imap.gif </li></ul>

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