SIR – In 1943, J F Pownall proposed the construction of a Grand Contour Canal running down the length of England at 310ft above sea level, connecting Newcastle, Liverpool, Bristol, London and other cities. The purpose was to provide a conduit for transmitting water from the wetter North to the drier South, and for barge traffic.
There would be no locks except at the connections down to sea level. The canal would be 100ft wide and 17ft deep and would be able to take a flow of 2,000 cubic ft per second.
There does not appear to be any reason why a scheme based on Mr Pownall’s idea could not be implemented now to intercept rivers flowing from catchments at more than 310ft above sea level, divert the flood flow away from the towns and villages below, and discharge either direct to the sea or to a river elsewhere in the country which was not in flood. For the full article click here
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