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The evolution of approaches to flood damage reduction

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https://ir.library.oregonstate.edu/concern/articles/nv935c40t

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  • The present use of many floodplains is unsatisfactory. Despite 40 years of concerted effort to cope with flood hazards, annual flood losses now approximate $1.75 billion. Intensified use of flood-prone lands accounts for much of the increasing losses, which offset many of the bene­fits from the nation's $9 billion ex­penditure on engineering measures to modify floods. In 1973, for example, an estimated 16 percent of the nation's urban areas were in the natural 100-year flood plain as compared to 7 per­cent of the nation's total area. A recent study set the current annual rate of urban expansion into flood­plains at between 1.5 and 2.5 percent. For much of this expansion there are no special benefits to be gained from floodplain location. The nation's current approach to coping with flood-related problems is in flux. During the period from 1936 to 1966, the country depended largely on engineering techniques. Over the last decade alternative approaches re­ceived unprecedented attention, but their full implementation is notably lacking.
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  • 31
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  • 2
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