Re: double tide cause

[brian whatcott <inet@INTELLISYS.NET>]

At 16:05 9/3/01 -0600, Jim Green wrote:
> /snip/ the "size" of the oscillating body doesn't matter nearly as much
> as its natural frequency. ...the tides are fairly large in the tiny
> North Sea.  In the tiny Bay of Funday they are huge!  In the Black Sea the
> tides are large and move in a CIRCULAR pattern.  In the South Atlantic the
> tides are small and move NORTH.  There are places in the Indian Ocean where
> the tides move EAST!!!  In the Pacific -- well take your pick; there they
> are small and large and move every which a way -- there are SIX amphidromic
> nodes where there are NO tides.
>
>
> Jim Green

Jim mentions several observables, with which I expect nobody
will pick a quarel. It is in the matter of the theoretical support for these
observables, where Jim is less forthcoming.
I can accept it is a matter of natural frequencies.

In the case of the Gulf of Mexico, I would enjoy a dissertation on
the resonant basis for the Gulf's tides.
   I have so far read that the Gulf tide is lower than expected
(at least in some parts)
    I have read that the Gulf water's natural frequency is closer
 to 24 hours than 12.

Am I to assume then, that Jim's theory uses the circa 12 hour tidal
drive as a parametric pump of the 24 hour resonance, which is thereby
enhanced?  Or is there some unusual damping factor in play here?

Or are we talking about a "Jupiter Effect"?

If the Gulf is too messy, I would value a resonance description from
anybody for any appreciable body of water that departs in a marked way
from a regular twice daily tide.

Any offers?

Sincerely

Brian W



brian whatcott <inet@intellisys.net>  Altus OK
                Eureka!