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Discussion Topic: Saline barrier _ trend or coincidence
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ruby |
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Just noticed HW saline barrier is being closed again, probably for 36 hours.
My memory tells me it has closed far more frequently this winter than either last year or the year before.
Is this more evidence of increasing salt water incursion or is it my faulty memory making two and two add up to five .
Graham
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Paladine |
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Mudplug Juggler
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I can't answer your question, ruby, but it has raised another one in my mind. What criteria are used when the decision to raise the barrier is made?
Are salinity tests carried out or is it simply done when particular tide and weather conditions occur?
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Bernard |
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Learning The Ropes
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My understanding is there are sensors along the river, pretty sure one is at Acle that flag up that it may need raising, knowledge of tides etc come in to play as well.
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steve |
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Wether this helps or not but down here in the south east the Thames barrier has been raised a few times recently due to spring tides yesterday it was raised again , with it over lapping onto the banks at gravesend and onwards , sure it mentioned it would again today ,
steve and vicky
( not a broads local,so my views ,knowledge doesn't count )
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ruby |
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I don't know paladine but this is the message from the EA that comes with the e mail.
Due to the continuing north westerly winds causing tide locking, we are expecting to see increasing salt levels in the River Thurne over the next few days.
Graham
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Paladine |
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Mudplug Juggler
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Thank you for the replies. It rather seems to be a mixture of meteorology and chemistry - weather prediction followed by water analysis.
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Dilligaf |
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The following link is a thread from another forum (no not that one) and I think you will see from the photos posted yesterdays tide was particularly high due to the weather conditions.
Wind speed and direction is one of the main causes.
https://forums.ybw.com/index.php?threads/big-tide-at-the-tide-mill.577263/#post-7877948
Dave.
Formerly 'LeoMagill'
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expilot |
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And today's tide here at Potter is even higher than yesterday's with another three hours yet to flood. The Thurne is overtopping the flood defences in the usual places and, doubtless, the IDB pumps will be pumping it from the marshes back into the flooding river!
"There are old pilots. There
are bold pilots............."
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Paladine |
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Mudplug Juggler
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The output of some of these pumps can be quite ferocious. Perhaps the outfall pipes could be fitted with mini hydro-electric thingies, to offset the cost of the electricity they use.
Been hit by another boat? Report the incident to the Marine Accident Investigation Branch’s dedicated accident reporting line on 023 8023 2527 which is monitored 24 hours a day. Help to make the Broads safer.
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Hylander |
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Harnser Trainer
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Dilligaf , where is The Mill pictured please? Not sure I can place it.
Women dont nag they just
point
things out...
M
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Jan-04-2022 @ 10:06 PM
