Actual evapotranspiration estimation by means of airborne and satellite remote sensing data

Giuseppe Ciraolo; Guido D'Urso; Mario Minacapilli

doi:10.1117/12.689419

17 October 2006 Actual evapotranspiration estimation by means of airborne and satellite remote sensing data

Giuseppe Ciraolo, Guido D'Urso, Mario Minacapilli

Proceedings Volume 6359, Remote Sensing for Agriculture, Ecosystems, and Hydrology VIII; 63590Y (2006) https://doi.org/10.1117/12.689419
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

During the last the two decades, the scientific community developed detailed mathematical models for simulating land surface energy fluxes and crop evapotranspiration rates by means of a energy balance approach. These models can be applied in large areas and with a spatial distributed approach using surface brightness temperature and some ancillary data retrieved from satellite/airborne remote sensed imagery. In this paper a district scale application in combination with multispectral (LandaSat 7 TM data) and hyperspectral airborne MIVIS data has been carried out to test the potentialities of two different energy balance models to estimate evapotranspiration fluxes from a set of typical Mediterranean crops (wine, olive, citrus). The impact of different spatial and radiometric resolutions of MIVIS (3m x 3m) and LandSat (60m x 60m) on models-derived fluxes has been investigated to understand the roles and the main conceptual differences between the two models which respectively use a "single-layer" (SEBAL) and a "two-layer" (TS) schematisation.

Citation Download Citation

Giuseppe Ciraolo, Guido D'Urso, and Mario Minacapilli "Actual evapotranspiration estimation by means of airborne and satellite remote sensing data", Proc. SPIE 6359, Remote Sensing for Agriculture, Ecosystems, and Hydrology VIII, 63590Y (17 October 2006); https://doi.org/10.1117/12.689419

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