Evaluating actual evapotranspiration by means of multi-platform remote sensing data: a case study in Sicily

Giuseppe Ciraolo, Guido D'Urso, Mario Minacapilli, Carmelo Cammalleri

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Abstract

During the last two decades, the scientific community developeddetailed mathematical models for simulating land surface energy fluxes andcrop evapotranspiration rates by means of an energy balance approach. Thesemodels can be applied in large areas and with a spatial distributed approachusing surface brightness temperature and some ancillary data retrieved fromsatellite/airborne remote sensed imagery. In this paper a district scaleapplication, in combination with multispectral satellite and airborne data hasbeen carried out to test the potential of two different energy balance models toestimate evapotranspiration fluxes from a set of typical Mediterranean crops(wine, olive, citrus). The impact of different spatial resolutions on modelderivedfluxes has been investigated in order to understand the roles and themain conceptual differences between the two models which use a “singlelayer”(SEBAL) and a “two-layer”(TSEB) schematization, respectively. Thecritical spatial resolution of remote sensed data has been also investigated.
Lingua originaleEnglish
Titolo della pubblicazione ospiteRemote sensing for environmental monitoring and change detection
Pagine207-219
Numero di pagine13
Stato di pubblicazionePublished - 2007

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All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

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Ciraolo, G., D'Urso, G., Minacapilli, M., & Cammalleri, C. (2007). Evaluating actual evapotranspiration by means of multi-platform remote sensing data: a case study in Sicily. In Remote sensing for environmental monitoring and change detection (pagg. 207-219)