Issues of scale in surface heat flux retrieval using multi-resolution, multi-temporal satellite imagery.

Ershadi, A., McCabe, M.F., Evans, J.P.
Proceedings of IAHS Lead Symposia, IUGG2011, Melbourne, Australia, July 2011.


Understanding the spatial variability of evapotranspiration (ET) is an important issue in spatial hydrology. Recent advancements in the use of remotely sensed data for estimation of ET has improved our ability to quantify this parameter at field and regional scales, however, different spatial and temporal resolutions of the remote sensing products cause uncertainties in this estimation procedure. In this research, we used the Surface Energy Balance System (SEBS) model for estimation of sensible and heat fluxes and study the effect of spatial resolution of input forcing over a small irrigation area in Victoria, Australia using Landsat 5 images.

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