Comparison of Stochstic Models for Monthly Streamelow Sequences

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Date

1994-06

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Addis Abeba university

Abstract

In this research, statistical work in stochastic modelling of hydrologic time series is discussed. The theme is the comparison of stationarity and non-stationarity approaches for stochastic simulation of monthly streamflow sequences. The paper first introduces various concepts related to stochastic modelling; the history of stochastic simulation and applications of stochastic modelling in hydrology; and the step-by-step modelling procedures. Then the paper describes how synthetic streamflow sequences can be generated using these procedures. As a particular case, synthetic streamflow sequences were generated for two streams in Ethiopia using both stationarity and non-stationarity approaches. At last, based on these synthetic flows, an attempt was made to compare the performance of the two approaches with some comments and recommendations

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Keywords

Streamelow

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