Investigating the time dynamics of monthly rainfall time series observed in northern Lebanon by means of the detrended fluctuation analysis and the Fisher-Shannon method

• Autorzy: Lovallo M. , Shaban A. , Darwich T. , Telesca L.

Identyfikatory

DOI

10.2478/s11600-012-0094-9

• Języki publikacji: EN

Abstrakty

EN

We investigate the time dynamics of monthly rainfall series intermittently recorded on seven climatic stations in northern Lebanon from 1939 to 2010 using the detrending fluctuation analysis (DFA) and the Fisher-Shannon (FS) method. The DFA is employed to study the scaling properties of the series, while the FS method to analyze their order/organization structure. The obtained results indicate that most all the stations show a significant persistent behavior, suggesting that the dynamics of the rainfall series is governed by positive feedback mechanisms. Furthermore, we found that the Fisher Information Measure (the Shannon entropy power) seems to decrease (increase) with the height of the rain gauge; this indicates that the rainfall series appear less organized and less regular for higher-located stations. Such findings could be useful for a better comprehension of the climatic regimes governing northern Lebanon.

Słowa kluczowe

EN

detrended fluctuation analysis; Fisher-Shannon method; rainfall; Lebanon; climate

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2013
• Tom: Vol. 61, no. 6
• Strony: 1538--1555
• Opis fizyczny: Bibliogr. 30 poz.

Twórcy

autor

Lovallo M.

• Agenzia Regionale per la Protezione dell’Ambiente (ARPAB), Potenza, Italy

autor

Shaban A.

• Conseil National des Recherches Scientifiques (CNRS), Beirut, Lebanon

autor

Darwich T.

• Conseil National des Recherches Scientifiques (CNRS), Beirut, Lebanon

autor

Telesca L.

• National Research Council, Institute of Methodologies for Environmental Analysis, Tito, Italy

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