Estimating actual evapotranspiration by means of remote sensing data and sap flow measurements in pinus sylvestris forest stands in a mediterranean mountain region

J. Cristóbal*, M. Ninyerola, X. Pons, R. Poyatos, P. Llorens

*Corresponding author for this work

Research output: Other contribution

1 Citation (Scopus)

Abstract

The aim of this study is to monitor daily actual evapotranspiration (AETd) in Pinus sylvestris forest stands using a simplified methodology. To compute AETd we have followed the B-method, which is based on the energy budget, using a series of TERRA/AQUA MODIS and Landsat-5 TM as Remote Sensing data from 2003 to 2004. We have compared Remote Sensing AETd estimates with sap flux measurements obtaining a RMSE of 0.78 mm in the case of Landsat data, 0.93 mm in the case of TERRA MODIS and 0.91 mm in the case of TERRA AQUA using a variable B parameter in AETd modeling.

Original languageAmerican English
Number of pages4
DOIs
Publication statusPublished - 2007

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)

Keywords

  • Evapotranspiration modelling
  • Landsat
  • Mediterranean region
  • MODIS
  • Pinus sylvestris
  • Sap flow

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