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Scaling properties of rainfall and desert dust in the Canary Islands
Title: Scaling properties of rainfall and desert dust in the Canary Islands
Authors: Peñate de la Rosa, Irene ORCID Autor AEMETMartín González, Juan ManuelRodríguez Rodríguez, GermánCianca, A.
Keywords: Desert dust; Precipitation; Spatial variability
Issue Date: 2013
Publisher: European Geosciences Union
Citation: Nonlinear Processes in Geophysics. 2013, 20(6), p. 1079-1094
Publisher version:
Abstract: Precipitation and desert dust event occurrence time series measured in the Canary Islands region are examined with the primary intention of exploring their scaling characteristics as well as their spatial variability in terms of the island's topography and geographical orientation. In particular, the desert dust intrusion regime in the islands is studied in terms of its relationship with visibility. Analysis of dust and rainfall events over the archipelago exhibits distributions in time that obey power laws. Results show that the rain process presents a high clustering and irregular pattern on short timescales and a more scattered structure for long ones. In contrast, dustiness presents a more uniform and dense structure and, consequently, a more persistent behaviour on short timescales. It was observed that the fractal dimension of rainfall events shows an important spatial variability, which increases with altitude, as well as towards northern latitudes and western longitudes.
ISSN: 1023-5809
Appears in Collections:Artículos científicos 2010-2014

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