To mitigate floods, a dam needs a low but narrow spillway and a...

  1. Hanrahan
    47,086 Posts.
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    07/01/11
    19:19
    Post #: 7703115
    To mitigate floods, a dam needs a low but narrow spillway and a big area to back up the water until the risk has passed. But to mitigate the Qld floods you would have needed somewhere like L Eyre to store the excess water.

    So methinks Joolia is right this time.
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