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What is the Bayesian method what is it used for in flood analysis

What is the Bayesian method what is it used for in flood analysis

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Bayesian method of flood analysis is a just another method with statistical model for estimating flood frequency by combining uncertain annual maximum (AMAX) data from a river gauge with estimates of flood peak discharge from various historic sources that predate the period of instrument records.

It can be used for the following :

a) Estimates of the frequency of extreme floods are highly uncertain.

b) Prime source of uncertainty is limited availability of data.

c) A Bayesian model combines gauge data with historic flood records.

d) Confidence limits in estimated frequency of extreme flood events reduced by ∼50%.

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