Temporal variability of water fluxes in a Pinus sylvestris forest patch in Mediterranean mountain conditions (Vallcebre research catchments, Catalan Pyrenees)

Pilar LLorens, Imma Oliveras, Rafael Poyatos

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)

Abstract

The Vallcebre research catchments are representative of Mediterranean mountain areas with spontaneous afforestation by Pinus sylvestris as a consequence of the abandonment of agriculture since the 1950s. In this context, transpiration, rainfall interception and internal fluxes in a Scots pine patch have been monitored. This paper presents the results obtained on temporal variability of these water fluxes. The result underline the importance of rainfall interception losses, representing about 24% of the bulk rainfall, and their high temporal variability depending on the meteorological conditions and on rainfall event characteristics. Soil water content has been found to be a limiting factor for tree transpiration during summer periods, even in the studied area where the annual rainfall exceeds the reference evapotranspiration.

Original languageAmerican English
Pages (from-to)101-105
Number of pages5
JournalIAHS-AISH Publication
Issue number278
Publication statusPublished - 2003

Keywords

  • Evapotranspiration
  • Mediterranean mountain areas
  • Pinus sylvestris
  • Rainfall interception
  • Sap flow

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