Re: double tide cause

[Jim Green <JMGreen@SISNA.COM>]

> You would expect the tides to be somewhat attenuated, because the Gulf is
> fairly small, and connected to the open ocean only by rather narrow straits.

Yes, conceivably, but these are subordinate questions: First ask how close
does the resonant frequency of the body of water match one of the many
driving frequencies of the forces due to the Moon, Sun, and possibly
Jupiter in some cases.  True the net force due to Jupiter is much smaller
than those due to the Moon or Sun, but it is the frequency match that
matters most.

Here a physics text IS helpful -- Look at the equation for a driven damped
harmonic oscillator.    That is what the tides on the Gulf (or anywhere
else) are.



Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen