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there’s sound in the seas…

from the crackling of snapping shrimp, to the whistles of dolphins; from the crash of a wave on a rocky coast to underwater earthquakes, the sea is far from silent.  Humans contribute to the soundscape as well, in minor and major ways – for instance, recently there has been significant exposure to the harmful effects of SONAR on whales.

Sound in the sea is especially interesting for the very fact that it is under water, and so has different properties.  In particular, water is denser than air, so the sound pressure waves travel faster.  This is part of why when we are underwater it is difficult to localize where a sound is coming from.

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  • by Arlington
    Posted June 13, 2008 10:20 pm 0Likes

    We have trouble trying to ‘localize where a sound is coming from’ because we don’t echo-locate like dolphins and other sea creatures. Now that we have SCUBA gear, how about a strap on echo locator helmet? Seriously, if the purpose of SONAR is to locate things, why does it have to be so destructive? Doesn’t it work in basically the same way as echolocation?

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