Hydrology: Frequency Analysis

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dam821

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I am very lost on how to begin this problem. If anyone can put me on the right track that would be appreciated.

Thanks.

Annual Floods (CFS) at a particular site on a river follow a zero-skew log-Pearson type II distribution. If the mean of logarithms (base 10) of annual floods is 2.946 and the standard deviation of base-10 logarithms is 1.000, determine the magnitude of the 50-year floodHy
 
dam821 said:
I am very lost on how to begin this problem. If anyone can put me on the right track that would be appreciated.

Thanks.

Annual Floods (CFS) at a particular site on a river follow a zero-skew log-Pearson type II distribution. If the mean of logarithms (base 10) of annual floods is 2.946 and the standard deviation of base-10 logarithms is 1.000, determine the magnitude of the 50-year floodHy
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For a quick review:

http://en.wikipedia.org/wiki/Pearson_distribution
 
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