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Thread: How deep is the Mersey?

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    Senior Member petromax's Avatar
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    Default How deep is the Mersey?

    Does anyone know how deep the river is or where I might find out?

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    John(Zappa)
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    Quote Originally Posted by petromax View Post
    Does anyone know how deep the river is or where I might find out?
    Good Question!
    No idea!!!!!

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    Senior Member phredd's Avatar
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    As the river is 'tidal' the depth will vary with high and low tides.
    Not very helpfull, is it ?

    phredd
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    www.liverbuild.co.uk chrismarsden's Avatar
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    Apparently it has a mean depth of 15m.

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    Senior Member verdi's Avatar
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    Not as deep as you think. I asked a friend who sails on it, and he said forty feet, now I don't know if that is the highest tide or ordinary tide

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    John(Zappa)
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    Quote Originally Posted by verdi View Post
    Not as deep as you think. I asked a friend who sails on it, and he said forty feet, now I don't know if that is the highest tide or ordinary tide
    I thought it would be about 80foot deep or more??
    And has any relics or anything of value ever been discovered in the mersey?

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    Local Historian Cadfael's Avatar
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    Didn't someone recently 'walk' across the Mersey at low tide and he was a good 6ft?

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    Senior Member phredd's Avatar
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    Walk across the mersey >>>>>> walk this way >>>>

    http://news.bbc.co.uk/1/hi/england/m...de/4785427.stm

    Twas in August 2006.

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    Senior Member ChrisGeorge's Avatar
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    Quote Originally Posted by petromax View Post
    Does anyone know how deep the river is or where I might find out?

    Hello petromax

    As with any estuary, the depths vary. Part of the river has been dredged in order to allow liners, etc., to approach the landing stage. Because the depth of the river decreases after Rock Ferry on the Wirral (Cheshire) side, it was necessary to establish the Manchester Ship Canal so that larger vessels could sail on to Ellesmere Port and Manchester and unload their goods.

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    Senior Member petromax's Avatar
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    Quote Originally Posted by ChrisGeorge View Post

    ...Part of the river has been dredged in order to allow liners, etc., to approach the landing stage. Because the depth of the river decreases ... it was necessary to establish the Manchester Ship Canal ...

    Chris

    I imagine the QE2 has more than a 15m draught (?) and she has been at anchor for more than two tides in midstream.

    The ships using the canal were obviously nowhere near as big a displacement so the canal and that bit of river needn'y be so deep. I think I read somewhere else here that the river channel changed course onto the Wirral side as the stream 'stuck' to the flow of the canal.

    How deep are the tunnels? Maybe that would give some idea

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    www.liverbuild.co.uk chrismarsden's Avatar
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    The QEII has a Draught of 9.945 meters

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    Senior Member petromax's Avatar
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    Quote Originally Posted by chrismarsden View Post
    The QEII has a Draught of 9.945 meters
    So, if the mean is 15m. What is the maximum? Is there a readily avaiable chart?

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    ChrisO ChrisO's Avatar
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    A website www.merseybasin.org.uk, has a PDF document on it stating that the river has a depth of up to 30m and a tidal range of 10m

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    John(Zappa)
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    Well done sherlock

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    Senior Member Howie's Avatar
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