Unravelling past flash flood activity in a forested mountain catchment of the Spanish Central System

Ballesteros Cánovas, Juan Antonio and Rodríguez Morata, Clara and Garofano Gomez, Virginia and Rubiales Jimenez, Juan Manuel and Sánchez Salguero, Raul and Stoffel, Markus (2014). Unravelling past flash flood activity in a forested mountain catchment of the Spanish Central System. "Journal of Hidrology", v. 529 (n. 2); pp. 468-479. ISSN 0022-1694. https://doi.org/10.1016/j.jhydrol.2014.11.027.

Description

Title: Unravelling past flash flood activity in a forested mountain catchment of the Spanish Central System
Author/s:
  • Ballesteros Cánovas, Juan Antonio
  • Rodríguez Morata, Clara
  • Garofano Gomez, Virginia
  • Rubiales Jimenez, Juan Manuel
  • Sánchez Salguero, Raul
  • Stoffel, Markus
Item Type: Article
Título de Revista/Publicación: Journal of Hidrology
Date: 2014
ISSN: 0022-1694
Volume: 529
Subjects:
Faculty: E.T.S.I. Montes (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Flash floods represent one of the most common natural hazards in mountain catchments, and are frequent in Mediterranean environments. As a result of the widespread lack of reliable data on past events, the understanding of their spatio-temporal occurrence and their climatic triggers remains rather limited. Here, we present a dendrogeomorphic reconstruction of past flash flood activity in the Arroyo de los Puentes stream (Sierra de Guadarrama, Spanish Central System). We analyze a total of 287 increment cores from 178 disturbed Scots pine trees (Pinus sylvestris L.) which yielded indications on 212 growth disturbances related to past flash flood impact. In combination with local archives, meteorological data, annual forest management records and highly-resolved terrestrial data (i.e., LiDAR data and aerial imagery), the dendrogeomorphic time series allowed dating 25 flash floods over the last three centuries, with a major event leaving an intense geomorphic footprint throughout the catchment in 1936. The analysis of meteorological records suggests that the rainfall thresholds of flash floods vary with the seasonality of events. Dated flash floods in the 20th century were primarily related with synoptic troughs owing to the arrival of air masses from north and west on the Iberian Peninsula during negative indices of the North Atlantic Oscillation. The results of this study contribute considerably to a better understanding of hazards related with hydrogeomorphic processes in central Spain in general and in the Sierra de Guadarrama National Park in particular.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainIDEA-GesPPNN-163/2010UnspecifiedUnspecifiedUnspecified
Government of SpainCGL2010-19274MASUnspecifiedUnspecified

More information

Item ID: 36165
DC Identifier: http://oa.upm.es/36165/
OAI Identifier: oai:oa.upm.es:36165
DOI: 10.1016/j.jhydrol.2014.11.027
Official URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/ldr.2294
Deposited by: Memoria Investigacion
Deposited on: 19 Jun 2015 08:08
Last Modified: 11 Jun 2019 07:44
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