Observatorio de I+D+i UPM

Memorias de investigación
Conferences:
POSTER: 'Sensitivity analysis of the InVEST sediment retention model in a Mediterranean river basin: global change and management implications'.
Year:2014
Research Areas
  • Earth sciences,
  • Information technology and adata processing
Information
Abstract
Model parameter uncertainty is one of the main challenges in linking global change and sediment dynamics, limiting our capacity to design effective mitigation measures at the basin scale. Sensitivity analyses can help identify which parameters have the greatest influence on model outcomes, and therefore improve model calibration and interpretation. We present here the sensitivity analysis of the InVEST sediment retention model performed in the Llobregat river basin (NE Iberian Peninsula) as an example of Mediterranean river basins. Our analysis identified the physical model parameters as the most influential. Accordingly, small changes in variables such as the magnitude and frequency of extreme rainfall events could cause major changes in sediment dynamics, demonstrating their susceptibility to climate change in Mediterranean basins. Parameters more directly related to human activities, such as crop management practices, were also influential in the amount of exported sediment. The importance of these human-related parameters in the sediment export process suggests that mitigation measures have the potential to compensate, to a certain degree, the climate-change impacts on sediment dynamics.
International
Si
Entity
Natural Capital Project. Stanford University.
Entity Nationality
E.E.U.U. DE AMERICA
Place
Palo Alto, California
Participants
  • Autor: Maria Sanchez Canales (UPM)
  • Autor: Alfredo Lopez Benito (UPM)
  • Autor: Vicenç Acuña (ICRA)
  • Autor: Guy Ziv (University of Leed)
  • Autor: Perrine Hamel (Woods Institute for the Environment, Stanford University)
  • Autor: Rebecca Chaplin-Kramer (Woods Institute for the Environment, Stanford University)
  • Autor: Fco.Javier Elorza Tenreiro (UPM)
Research Group, Departaments and Institutes related
  • Creador: Departamento: Ingeniería Geológica y Minera
S2i 2021 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)