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- W2024794429 abstract "Comprehensive characterization of its flow rates is prerequisite to a proper understanding and water management of a given hydrological region. Several studies question the soundness of stationarity in time series and suggest the need for a quantification of the events and non-stationary features in flow rate time series. In this study, we combine statistical and time–frequency (TF) analyses to characterize and classify the flow rates of an understudied region, namely Haiti. Wavelet transforms and cyclostationarity analyses were combined with principal component analysis and hierarchical clustering to identify three groups of hydrological regimes in the country, suggesting similar management: (1) relatively stable flow rates with TF behaviour; (2) periodic and strongly seasonal flow rates; and (3) unstable flow rates. We argue that the TF methodology can yield additional information in regard to flow events and multiscale behaviour, even for short records. Flow rate characterization would benefit from the exhaustive approach described here.EDITOR Z.W. Kundzewicz ASSOCIATE EDITOR E. Toth" @default.
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- W2024794429 date "2015-12-15" @default.
- W2024794429 modified "2023-10-08" @default.
- W2024794429 title "Time–frequency analysis to profile hydrological regimes: application to Haiti" @default.
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- W2024794429 doi "https://doi.org/10.1080/02626667.2015.1006231" @default.
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