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Satellite survey washes away wave theory
ABC Online ^ | 7/25/04 | ABC Online

Posted on 07/24/2004 9:26:58 PM PDT by playball0

It appears that massive ship-sinking ocean waves - as high as 10-storey buildings - are far more common than scientists previously thought.

Oceanographers' conventional wisdom was that waves over 25 metres only occurred once every 10,000 years.

However, the European Space Agency says satellite data it collected over only three weeks in 2001 found more than 10 individual waves around the globe that swelled to more than 25 metres in height.

The news is significant because current ships and off-shore platforms are only built to withstand maximum wave heights of 15 metres.

Over the past two decades more than 200 supertankers and container ships exceeding 200 metres in length have sunk around the world, with rogue waves believed to be a possible cause.

Senior scientist with the GKSS Forschungszentrum GmbH research centre, Wolfgang Rosenthal, says many ships have been lucky to survive giant waves.

"The same phenomenon could have sunk many less lucky vessels: two large ships sink every week on average, but the cause is never studied to the same detail as an air crash," he said.

"It simply gets put down to 'bad weather'."

Researchers are now examining the satellite data to see if the giant waves can be forecast.


TOPICS: Business/Economy; Extended News; News/Current Events
KEYWORDS: roguewave; roguewaves; shipping; trade; tsunami; tsunamis
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Rogue waves more common than previously thought. Extremists blame Bush. Bin Ladin suspected. Open sea surfing industry gets boost.
1 posted on 07/24/2004 9:26:58 PM PDT by playball0
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To: playball0

Forget rogue waves. It's the rogue elephants I'm worried about.


2 posted on 07/24/2004 9:29:44 PM PDT by ChocChipCookie (If we had some eggs, we could have bacon and eggs if we had some bacon. --unknown Freeper)
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To: playball0

WOW! El Rogue Waves... Thanks for posting!


3 posted on 07/24/2004 9:30:22 PM PDT by Alia
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To: playball0

We're all doomed!

Sh!t!

If this were the case how would any of the ancient mariners survived.

Scupper me sister!


4 posted on 07/24/2004 9:38:57 PM PDT by x1stcav (http://www.ronaldreaganmemorial.com/photo_gallery.asp)
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To: playball0

Female and minority ships hardest hit.


5 posted on 07/24/2004 9:39:49 PM PDT by RightWingAtheist (<A HREF=http://www.michaelmoore.com>stupid blob</A>)
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To: RightWingAtheist

"Female and minority ships hardest hit".
BTW, why one frequently encounters a ship being referred to as "she"? Wouldn't "it" be more appropriate?


6 posted on 07/24/2004 9:51:01 PM PDT by GSlob
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Comment #7 Removed by Moderator

To: playball0

I'm thinking that what the satellite detected are mostly longer wavelength waves - several hundred feet - that would not be perceived as a "wall of water", but a gradual swell.


8 posted on 07/24/2004 10:05:06 PM PDT by dr_lew
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To: Yehuda

I think they may be measuring these waves from the back, which would mean the face of the wave would be in the 100 foot plus range. Of course, if they are measuring the waves Hawaiian-style, where 3 foot waves would otherwise be described by us mainlanders as double-overhead, 25 meter waves could have 200 foot faces.


9 posted on 07/24/2004 10:06:12 PM PDT by vbmoneyspender
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To: dr_lew
I thought the QE2 a few years back, got hit bow-on by a 90-100 ft wave, based on the fact that it went over the bridge.

It was the middle of the night and nobody was on deck.

That wave was said to have originated in a storm/hurricane some hundreds of miles to the South.

10 posted on 07/24/2004 10:10:51 PM PDT by Calvin Locke
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To: Calvin Locke; All

I thoght it was more like trough to crest. This is much more meaningful.

Look, if anyone sensed the full fury of the ocean, it was the USN in October of '44.

Lot's of rough sailing (icluding one DD that supposedly went 'Turtle') but relatively little loss of life. There was one Essex class carrier that had its bow stoved in by an 80'+ swell, but who's counting.


11 posted on 07/24/2004 10:19:30 PM PDT by x1stcav (http://www.ronaldreaganmemorial.com/photo_gallery.asp)
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To: playball0

This is the fault of Bush and SUVs'....and Ted Kennedy cherry bombing the Atlanitic.


12 posted on 07/24/2004 10:35:58 PM PDT by Dallas59
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To: x1stcav
it was the USN in October of '44.

The History Channel includes the two typhoons in the piece on Halsey.

Interesting interview of the commander of some destroyer that took a lot of damage.

The task force wanted him to catch up so that they could take a look at the damage. He wired them that it might be better
if he stayed where he was, picking up survivors. They wired back agreeing with the obvious, and sent back a couple
of destroyers to help. One survivor said he thought the ship was Japanese, since he didn't recognize it from the damage.

Halsey, I guess, barely escaped from being relieved of command, given the fact that he managed to hit two typhoons.

Can't recall the info about the weather reports, or lack thereof.

13 posted on 07/24/2004 10:38:12 PM PDT by Calvin Locke
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To: playball0
"Over the past two decades more than 200 supertankers and container ships exceeding 200 metres in length have sunk around the world, with rogue waves believed to be a possible cause."

thats one theory of what happened to the Edmund Fitzgerald
14 posted on 07/24/2004 10:39:19 PM PDT by Charlespg (Civilization and freedom are only worthy of those who defend or support defending It)
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To: playball0
We can expect a large increase in maritime disasters due to the Heisenberg effect.

These waves were not observed before and therefore did not cause a problem.

Now that the waves have been observed, we're going to be affected by them.

15 posted on 07/24/2004 10:48:13 PM PDT by Ken H
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To: Charlespg

"...one theory of what happened to the Edmund Fitzgerald"

Ah! I was thinking of that too reading this story. I watched a really interesting documentary on Discovery or something not too long ago. Really a shame about all those folks who were killed.


16 posted on 07/24/2004 10:54:25 PM PDT by jocon307
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To: Ken H

"These waves were not observed before and therefore did not cause a problem."

Now we'll have a rash of Schrödinger's catastrophes?.....:)


17 posted on 07/24/2004 10:56:27 PM PDT by Salamander (Tagline in for repair. Please keep your ticket.)
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To: Salamander
I've lurked on the scientific threads for quite a while.

I'm ready now to join in with the big boys.

18 posted on 07/24/2004 11:04:25 PM PDT by Ken H
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To: playball0
And in other news...

Sheila Jackson-Lee still hasn't got a hurricane named after her.

19 posted on 07/24/2004 11:07:47 PM PDT by BigSkyFreeper (While Bush plays "rope a dope", Kerry/Edwards play "grope a dope".)
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Comment #20 Removed by Moderator


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