Comparison of measured and SISPAT-RS simulated brightness temperatures and reflectances at field scale during ReSeDA experiment

Jerome Demarty; Catherine Ottle; Isabelle Braud; Jean Pierre Frangi

doi:10.1117/12.454205

28 January 2002 Comparison of measured and SISPAT-RS simulated brightness temperatures and reflectances at field scale during ReSeDA experiment

Jerome Demarty, Catherine Ottle, Isabelle Braud, Jean Pierre Frangi

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Proceedings Volume 4542, Remote Sensing for Agriculture, Ecosystems, and Hydrology III; (2002) https://doi.org/10.1117/12.454205
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

Abstract

The Simple Soil-Plant-Atmosphere Transfer - Remote Sensing (SiSPAT-RS) model was developed to simulate soil-vegetation-atmosphere energy and water transfers as well as remote sensing measurements at field scale, in the visible and thermal infrared domains. This model has been validated on the Alpilles-ReSeDA (Remote Sensing Data Assimilation) experimental database gathering micrometeorological data and remote sensing observations. Sensitivity and uncertainty studies were performed with the SVAT model and the radiative transfer models using stochastic technics like Monte Carlo's methods. The results permit us to quantify the model uncertainties linked to parameters and initial conditions uncertainties, such information which is essential to carry on assimilation studies. Here, we present the results concerning the sensitivity analysis and the results of the calibration on an experimental agricultural field of ReSeDA experiment.

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Jerome Demarty, Catherine Ottle, Isabelle Braud, and Jean Pierre Frangi "Comparison of measured and SISPAT-RS simulated brightness temperatures and reflectances at field scale during ReSeDA experiment", Proc. SPIE 4542, Remote Sensing for Agriculture, Ecosystems, and Hydrology III, (28 January 2002); https://doi.org/10.1117/12.454205

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KEYWORDS

Calibration

Remote sensing

Vegetation

Data modeling

Monte Carlo methods

Soil science

Thermal modeling

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