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New "Loch Ness" footage

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shardian:

--- Quote from: ChadTower on June 04, 2007, 02:17:41 pm ---
--- Quote from: patrickl on June 02, 2007, 01:37:03 pm ---Not sure though, why can't you have waves in freshwater? Apparently it's a big lake.

In the Netherlands we have a big lake and it has waves. I was in Chicago and I'm pretty sure they had a lake coast there with waves too.

--- End quote ---

It has waves but not real tides.  The waves would just be the accumulation of displacement waves.  Ocean waves are driven by shifting tides mostly and storm systems after that.  If you don't have a tide giving storm energy on the surface some velocity, it disperses in too many directions, never really building up to form the type of energy a rogue wave requires.

--- End quote ---

Well rogue wave is probably not the best term in this case. How does "lake ripple" do for you. That image is probably just a shadow caused by a lake ripple. ;D

ChadTower:

Better.  :)  To someone who grew up in the Maritimes among a family of fishermen (mostly lobster), a rogue wave is a serious thing.  They kill people.

patrickl:
I know the lake in the Netherlands has up to 6 foot waves. Especially since it's a fresh water lake it has waves that come up quicker than expected and they are shorter and higher (than expected). Wouldn't that just be the exact thing you need for a rogue wave?

ChadTower:

A rogue wave is a single wave that would be several times higher than the waves before and after it.  We're talking the type that overturns a 25' boat and rips people off deck of larger boats.

patrickl:
Several ships were lost to freak waves on the IJsselmeer in the Netherlands. Amongst them big commercial barges and a small oil tanker. On the other hand, the IJsselmeer is probably a lot bigger than Loch Ness.

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