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Headline

Dredging will save more than it costs

Comment

I cannot agree more with the first two comments. What is such an ill-informed political rant doing on the pages of a respectable professional journal? And as for the ridiculous analogy: get yourself a bottle of cola, pour the contents into a jug, refill the bottle half way with sand and - surprise surprise - when you try and pour twenty bottles worth of cola into the bottle it overflows! How about this one: increase the depth of a 10m wide river by 2m (by dredging) over a length of 10km (for example). The increase in storage volume is 200,000 cubic metres. Spread that over 65 square kilometres and you get a reduction in flood level of 3mm (the whole picture is of course a little bit more complicated than that, but then analogies often are).

Posted date

7 February, 2014

Posted time

2:16 pm

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