Quote McLaren_Field="McLaren_Field"There has also been a hell of a lot of environmental opposition to the Bristol Channel barrage as large areas of tidal mud flats may be affected by any alteration in the natural tides - the St Malo barrage in France seems to have worked for 40 or more years though.'"
There used to be a great ferk-off, working model of the River Humber in an enormous hangar on King George Dock, that was used for prctical modelling of tide flows and effects. Unfortunately once BTDB was disbanded and the docks privatised, no one saw a need for it anymore.
Now that would beat anybody's model railway layout