Spatial and temporal precipitation patterns of the Ebro River Basin, Spain

Valencia Delfa, José Luis and Leonidas, Fredi and Saa Requejo, Antonio and Gascó Montes, José María and Tarquis Alfonso, Ana Maria (2011). Spatial and temporal precipitation patterns of the Ebro River Basin, Spain. In: "8th EGU General Assembly, EGU 2011", 03/01/2010 - 08/04/2011, Viena, Austria. p. 13729.

Description

Title: Spatial and temporal precipitation patterns of the Ebro River Basin, Spain
Author/s:
  • Valencia Delfa, José Luis
  • Leonidas, Fredi
  • Saa Requejo, Antonio
  • Gascó Montes, José María
  • Tarquis Alfonso, Ana Maria
Item Type: Presentation at Congress or Conference (Other)
Event Title: 8th EGU General Assembly, EGU 2011
Event Dates: 03/01/2010 - 08/04/2011
Event Location: Viena, Austria
Title of Book: Geophysical Research Abstracts of 8th EGU General Assembly
Date: 2011
Volume: 13
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Edafología [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The Ebro River Basin, with around 85 000 km2 and located in NE Spain, is characterized by the high spatial heterogeneity of its geology, topography, climatology and land use. Rainfall is one of the most important climatic variables studied owing to its non-homogenous behaviour in event and intensity, which creates drought, water runoff and soil erosion with negative environmental and social consequences. In this work we characterized the rainfall variability pattern in the Ebro River Basin using universal multifractal (UM) analysis, which estimates the concentration of the data around the precipitation average (C1, codimension average), the degree of multiscaling behaviour in time (? index) and the maximum probable singularity in the rainfall distribution ( s). A spatial and temporal analysis of the UM parameters is applied to study the possible changes. With this porpoise, 60 daily rainfall series were selected from 132 synthetic series generated by Luna and Balairón (AEMet). These daily rainfall series present a length of 60 years, from 1950 to 2009. Each one of them was subdivided (1950?1970 and 1980?2009) to analyse the difference between the two periods. The range of variation of precipitation amounts and the frequency of dry events between both periods are discussed, as well as the evolution of the UM parameters through the years.

More information

Item ID: 13421
DC Identifier: http://oa.upm.es/13421/
OAI Identifier: oai:oa.upm.es:13421
Official URL: http://www.geophysical-research-abstracts.net
Deposited by: Memoria Investigacion
Deposited on: 23 Oct 2012 11:54
Last Modified: 21 Apr 2016 12:44
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