Peru taps IMF vet as finance minister The Associated Press - 5 hours ago LIMA, Peru (AP) — A career economist from the International Monetary Fund is taking over as Peru's finance minister. The president's office says Luis ... |
500 Year Floods
Sun, 13 Jul 2008 15:49:37 PDT
Why you can get ‘500 year floods’ two years in a row by Anne Jefferson: Flood probabilities are based on historical records of stream discharge. Let’s use the Iowa River at Marengo, Iowa as an example. It reached a record discharge of 46,600 cubic feet per second* (1320 m3/s) on 12 June. That flow was estimated to have a 500 year recurrence interval, based on 51 years of peak flow records … When you are extrapolating beyond your data by an order of magnitude, the highest points in the dataset
