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date: Sat, 27 Sep 2008 22:14:46 +0100,
group: uk.rec.sheds
back
Re: sacrilege
On or around 27 Sep 2008 10:16:01 GMT, Richard Robinson
enlightened us thusly:
>bobharvey said:
>> On 25 Sep, 14:56, r...@hoekstra-uitgeverij.nl (Richard Bos) wrote:
>>> Guy King wrote:
>>> >http://www.aviso.oceanobs.com/typo3temp/pics/afaef98d3d.gif
>>>
>>> Wow... that looks like the whole Mediterranean is one giant standing
>>> wave.
>>
>> That's exactly what tides are. The schoolboy explanation of a lump of
>> water lifted by the moon is nonsense. Were it true then places with
>> the same longitude would have the sime high water times. Consider den
>> helder and ijujden which are 6 hours different.
>>
>> Tides are a damped oscillation. The gravetic force of the moon (and
>> the sun) are the driving forces that add energy to the oscillation,
>> but the actual movement of the water is the sloshing motion within the
>> basin. Storms, etc, produce aperiodic oscillations, but the only ones
>> that persist over significant times (and hence repeat daily) are those
>> that are phase locked to the driving force.
>
>Y'know, that's the first time I've seen an explanation that I could make any
>sense of.
WRT the med, I'd always assumed that it was too small and shallow and that
it don't get tides from the Atlantic on account of the inlet being too
small.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------\
>> http://www.schlockmercenary.com/ << \ ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
date: Sat, 27 Sep 2008 22:14:46 +0100
author: Austin Shackles
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Re: sacrilege
"Austin Shackles" wrote in
message news:bg8td4hit5f9eppd4tnn7u7dlnvdmtgrsb@4ax.com...
> On or around 27 Sep 2008 10:16:01 GMT, Richard Robinson
> enlightened us thusly:
>
>>bobharvey said:
>>> On 25 Sep, 14:56, r...@hoekstra-uitgeverij.nl (Richard Bos) wrote:
>>>> Guy King wrote:
>>>> >http://www.aviso.oceanobs.com/typo3temp/pics/afaef98d3d.gif
>>>>
>>>> Wow... that looks like the whole Mediterranean is one giant standing
>>>> wave.
>>>
>>> That's exactly what tides are. The schoolboy explanation of a lump of
>>> water lifted by the moon is nonsense. Were it true then places with
>>> the same longitude would have the sime high water times. Consider den
>>> helder and ijujden which are 6 hours different.
>>>
>>> Tides are a damped oscillation. The gravetic force of the moon (and
>>> the sun) are the driving forces that add energy to the oscillation,
>>> but the actual movement of the water is the sloshing motion within the
>>> basin. Storms, etc, produce aperiodic oscillations, but the only ones
>>> that persist over significant times (and hence repeat daily) are those
>>> that are phase locked to the driving force.
>>
>>Y'know, that's the first time I've seen an explanation that I could make
>>any
>>sense of.
>
> WRT the med, I'd always assumed that it was too small and shallow and that
> it don't get tides from the Atlantic on account of the inlet being too
> small.
>
Well that explanation jbexes for the Med but how do you explain the almost
zero tides at eg. Miami or the Caribbean islands which are on the open
ocean?
--
Chris,
Braccae illae virides cum subucula rosea et tunica Caledonia-quam elenganter
concinnatur!
date: Sun, 28 Sep 2008 06:27:09 +0100
author: Cerumen
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Re: sacrilege
"Cerumen" wrote in
news:6k8j0rF6i8clU1@mid.individual.net:
>
> "Austin Shackles" wrote
> in message news:bg8td4hit5f9eppd4tnn7u7dlnvdmtgrsb@4ax.com...
>> WRT the med, I'd always assumed that it was too small and shallow and
>> that it don't get tides from the Atlantic on account of the inlet
>> being too small.
>>
> Well that explanation jbexes for the Med but how do you explain the
> almost zero tides at eg. Miami or the Caribbean islands which are on
> the open ocean?
Thistle help -
http://www.co-ops.nos.noaa.gov/restles1.html
One of the better explanations I've read.
--
Graeme
date: 28 Sep 2008 06:37:19 GMT
author: Graeme Dods
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Re: sacrilege
"Graeme Dods" wrote in message
news:Xns9B2794BD45EA3graemedodsgmailcom@203.59.27.131...
> "Cerumen" wrote in
> news:6k8j0rF6i8clU1@mid.individual.net:
>
>>
>> "Austin Shackles" wrote
>> in message news:bg8td4hit5f9eppd4tnn7u7dlnvdmtgrsb@4ax.com...
>>> WRT the med, I'd always assumed that it was too small and shallow and
>>> that it don't get tides from the Atlantic on account of the inlet
>>> being too small.
>>>
>> Well that explanation jbexes for the Med but how do you explain the
>> almost zero tides at eg. Miami or the Caribbean islands which are on
>> the open ocean?
>
> Thistle help -
>
> http://www.co-ops.nos.noaa.gov/restles1.html
>
> One of the better explanations I've read.
>
Ah I knew the answer thanks the question was more sort of rhetorical or
something.
--
Chris,
Braccae illae virides cum subucula rosea et tunica Caledonia-quam elenganter
concinnatur!
date: Sun, 28 Sep 2008 07:48:09 +0100
author: Cerumen
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Re: sacrilege
On or around Sun, 28 Sep 2008 07:48:09 +0100, "Cerumen"
enlightened us thusly:
>
>"Graeme Dods" wrote in message
>news:Xns9B2794BD45EA3graemedodsgmailcom@203.59.27.131...
>> "Cerumen" wrote in
>> news:6k8j0rF6i8clU1@mid.individual.net:
>>
>>>
>>> "Austin Shackles" wrote
>>> in message news:bg8td4hit5f9eppd4tnn7u7dlnvdmtgrsb@4ax.com...
>>>> WRT the med, I'd always assumed that it was too small and shallow and
>>>> that it don't get tides from the Atlantic on account of the inlet
>>>> being too small.
>>>>
>>> Well that explanation jbexes for the Med but how do you explain the
>>> almost zero tides at eg. Miami or the Caribbean islands which are on
>>> the open ocean?
>>
>> Thistle help -
>>
>> http://www.co-ops.nos.noaa.gov/restles1.html
>>
>> One of the better explanations I've read.
>>
>Ah I knew the answer thanks the question was more sort of rhetorical or
>something.
be handy for the rest of us, but. I shall study it in duke horse.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------\
>> http://www.schlockmercenary.com/ << \ ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
date: Sun, 28 Sep 2008 08:16:17 +0100
author: Austin Shackles
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Re: sacrilege
Austin Shackles wrote in
news:1pbud4p6ht3joh1jokt2b5i1h23f7d3jvb@4ax.com:
> I shall study it in duke horse.
Wot, Copenhagen? It'll be dark in there, not to mention cramped.
--
Graeme
date: 28 Sep 2008 07:33:33 GMT
author: Graeme Dods
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Re: sacrilege
bobharvey wrote:
> Sublunar and subsolar vertical vectors sweep around the planet at
> rotational intervals, and we observe the sloshing about they cause.
> That's it, really. A whole science in a sentence.
I really enjoyed reading that. Didn't understand it all, but revelled in
the old sea doggie ambience and general feeling of listening to someone
who knows his On!ons.
Kran
date: Sun, 28 Sep 2008 13:55:13 +0100
author: kar
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