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Lars Eklundh

Professor

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Influence of the interannual variability of meteorological drought on the cross-interactions of ecological and hydrological drought in the central Spanish Pyrenees

Author

  • Sergio M. Vicente‑Serrano
  • Ahmed El Kenawy
  • Javier Zabalza-Martínez
  • Iván Noguera
  • Dhais Peña-Angulo
  • Carmelo Juez
  • Magí Franquesa
  • Beatriz Fernández-Duque
  • Fernando Domínguez-Castro
  • Lars Eklundh
  • Hongxiao Jin
  • Tobias Conradt
  • Conor Murphy
  • Jesús Julio Camarero
  • Jorge Lorenzo-Lacruz

Summary, in English

This paper analyzes the influence of the interannual variability of climatic drought on ecological and hydrological droughts for a basin in the central Spanish Pyrenees using variables derived from observations and hydro-ecological simulation in order to determine the possible connection between meteorological, ecological and hydrological drought considering a cascading approach and encompassing different variables that give insights into water availability in the basin (e.g., soil moisture, streamflow, reservoir storages and releases). Using different climatic, ecological and hydrological standardized drought indices, we show the greater role of meteorological droughts in hydrological systems than in ecological systems, and the small influence of vegetation activity and growth in explaining the interannual variability of water resources in the basin. By contrast,hydrological droughts are strongly affected by precipitation variability with relationships characterized by seasonal differences and the role of different time-scales in the standardized drought metrics.

Department/s

  • LU Profile Area: Nature-based future solutions
  • Dept of Physical Geography and Ecosystem Science
  • MERGE: ModElling the Regional and Global Earth system

Publishing year

2023-07-24

Language

English

Pages

55-85

Publication/Series

GeoFocus

Volume

31

Document type

Journal article

Publisher

Asociación de Geógrafos Espanoles

Topic

  • Physical Geography
  • Oceanography, Hydrology, Water Resources

Status

Published

ISBN/ISSN/Other

  • ISSN: 1578-5157