On 17 Jul 2008, at 13:46, David Cragg wrote:
> The old boatmen called it a tide which built up each day as they all
> approached the coal wharfs up north in the BCN. Early (in the day)
> boats got an easy run up but as the tide built later ones had their
> horses working harder.
>
Is this an example of a soliton? Both this and the original quote sound
more like hydraulic damming, where the channel constriction causes the
water to pile up and possibly overtop the banks. The Severn Bore is a
similar phenomenon.
––
All the best
Bruce
There are no strangers on the cut, only boaters we've yet to meet.
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