General Question

twothecat's avatar

How can a sea, such as the Mediterranean, be tideless?

Asked by twothecat (386 points ) February 20th, 2011

Is it because it’s almost land-locked? What other sea’s are considered to have very little tide? The Adriatic?

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5 Answers

marinelife's avatar

The Mediterranean does have tides. They are just less noticeable.



Curious About Astronomy

gasman's avatar

It may be worth noting that dry land also rises and falls with the tides, subject to the same gravitational effects. But for land masses the amplitude is only about ⅓ that of water tides.

jazzticity's avatar

@gasman what is the reference point for dry land rising and falling? What’s the fixed point you measure it from?

gasman's avatar

@jazzticity Sorry I have no links or references. But I know that extremely precise ranging of earth-moon distance are made using lasers shined off reflectors placed on the moon’s surface by Apollo astronauts, and these demonstrate (among other things) tidal effects.

jazzticity's avatar

@gasman, okay, makes sense. I know they have ways of measuring things that just baffle me.

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