[Rhodes22-list] Estuary Stir-the-Pot
Ralph Zeto
ralphzeto at msn.com
Fri Jul 25 09:00:12 EDT 2003
Lloyd.
Not in a lifetime!
Ralph
S/V Seduction, Albany, NY
From: "lcrowther"
Reply-To: The Rhodes 22 mail list
To: "The Rhodes 22 mail list"
Subject: [Rhodes22-list] Estuary Stir-the-Pot
Date: Fri, 25 Jul 2003 00:58:19 -0400
Richard,
The Potomac River is also an estuary by your definition (which is
correct so
why do they call them the Potomac River and Hudson River?). The tidal
influence is quite oblivious even above Washington, D.C. Nobody makes
an
issue of the 'estuary' definition even though they seem to know they
have to
account for the tidal differences in their planning (they have been
known to
say the Potomac is a tidal river). I never heard anyone tie the
venturi
effect or wind funnel effect, which is quite evident just below D.C.,
to the
fact that the Potomac is an estuary. Yet it is accepted that increased
wind
velocity will add to or decrease the predicted river tidal depths -
but then
so does lots of rain in PA eventually. Do sailors in New York commonly
refer to the Hudson Estuary?
Lloyd
----- Original Message -----
From: "Christine Allison"
To: ; "The Rhodes 22 mail list"
Sent: Thursday, July 24, 2003 3:04 PM
Subject: Re: [Rhodes22-list] Measured Hull Speed
>
> > Which way is the wind effect?>
>
> During the summer the prevailing wind is southerly. The Hudson River
valley
> runs approximately North/South so the wind follows the rivers
course.
When
> the river narrows at the High Lands a venturi effect develops which
causes
> the wind velocity to increase. Sometimes dramatically.
>
> < Is it the same way as the river>
>
> The Hudson is not a river. It's an estuary! Tidal influences are
evident
> all the way to it's origin.
>
> Richard Smith
>
>
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
>
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