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On Nov 14, 2003, at 5:56 AM, Fred Hebard wrote:

> But why is it that disturbance of water leads to phosphorescence?  That
> would be an interesting, albeit off topic, question to address to the
> planktonologists (sic) at your wife's research station.

Interesting question indeed.  We see much phosphorescence here in Puget
Sound at night in our plankton rich waters.

I just returned from a wonderful 3 week trip delivering a boat from
Solomons, Maryland to Fort Pierce, Florida, a 1,000 nautical mile trip,
mostly done in the Intercoastal Waterway (ICW).  I highly recommend
this trip!  We anchored most nights, but occasionally stayed in
marinas.  We proceeded at about 60 nmi per day, at an average of 7
knots.

Anyway, in Florida one night at a dock in St. Augustine, we HEARD the
strangest sounds coming through our hull.  Out of 20 nights sleeping
aboard our vessel (a 39' Krogen trawler), only at this one place did we
hear these strange sounds.  I got out of the boat and stood on the dock
in the evening and listened, and could hear these strange scratching
sounds, as if there were thousands of little tiny organisms nibbling on
the docks or hull of the boat.  We could not see anything in the water
that was unusual.

Has anyone ever heard anything like this before on their boats?  Does
anyone have an explanation for this?

   

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