Discriminating Between Different Streamflow Regimes by Using the Fisher-Shan Method: An Application to the Colombia Rivers |
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| Authors: | Jorge O. Pierini Juan C. Restrepo Michele Lovallo Luciano Telesca |
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| Affiliation: | 1.Centro Científico y Tecnológico de Bahía Blanca (CCT-BB, CIC, UNS),CRIBABB,Bahía Blanca,Argentina;2.Grupo de Física Aplicada: Océano y Atmósfera, Departamento de Fisica,Universidad del Norte,Barranquilla,Colombia;3.Agenzia Regionale per la Protezione dell’Ambiente di Basilicata (ARPAB),Potenza,Italy;4.National Research Council of Italy,Institute of Methodologies for Environmental Analysis (CNR-IMAA),Tito,Italy |
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| Abstract: | The Fisher-Shannon (FS) information plane, defined by the Fisher information measure (FIM) and the Shannon entropy power (NX), was robustly used to investigate the complex dynamics of eight monthly streamflow time series in Colombia. In the FS plane the streamflow series seem to aggregate into two different clusters corresponding to two different climatological regimes in Colombia. Our findings suggest the use of the statistical quantity defined by the FS information plane as a tool to discriminate among different hydrological regimes. |
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