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Analysis of energy fluxes estimations over Italy using time-differencing models based on thermal remote sensing data

  • Autori: Cammalleri, C.; Anderson, M.; Ciraolo, G.; Kustas, W.; Hain, C.; Schultz, L.; Mecikalski, J.; D'Urso, G.
  • Anno di pubblicazione: 2012
  • Tipologia: Capitolo o Saggio (Capitolo o saggio)
  • OA Link:


Large area estimations of land surface fluxes can be a useful operational tool for up-scaling local measurements and can serve as an upper-boundary condition for higher spatial resolution applications. Given hourly measurements of radiometric surface temperature from a geostationary satellite, it is possible to derive the partitioning of energy fluxes based on the influence of the evapotranspiration process on morning surface temperature rise. In this work, the Atmosphere-Land Exchange Inverse (ALEXI) model and the Dual Temperature Difference (DTD) approach were applied in order to relate the sensible heat flux to time-differential remote observations of surface temperature obtained from Meteosat satellite data. Copyright © 2012 IAHS Press.