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B. Coudert

Centre national de la recherche scientifique

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international geoscience and remote sensing symposium | 2008

Subpixel Temperature Estimation from Low Resolution Thermal Infrared Remote Sensing

Catherine Ottlé; Abdelaziz Kallel; G. Monteil; S. LeHegarat; B. Coudert

The paper presents a new methodology adapted to the downscaling of low resolution IRT signals, i.e. the estimation of subpixel temperatures. The approach is based on the inversion of subpixel variables by multilinear regressions constrained by a priori temperature estimates provided by a physical land surface model. The method was developed and validated against a synthetic database built on model simulations. The precision of the methodology was analysed in terms of errors on the subpixel temperature estimations according to model and observation uncertainties. The impact of the number of observations used (i.e. the number of low resolution pixels considered) as well as the influence of the pixel heterogeneity were studied.

Hydrology and Earth System Sciences | 2012

Reconstruction of temporal variations of evapotranspiration using instantaneous estimates at the time of satellite overpass

E. Delogu; Gilles Boulet; Albert Olioso; B. Coudert; Jonas Chirouze; Eric Ceschia; V. Le Dantec; O. Marloie; Ghani Chehbouni; Jean-Pierre Lagouarde

Journal of Hydrology | 2009

Water and energy budgets simulation over the AMMA-Niger super-site spatially constrained with remote sensing data

S. Saux‐Picart; Catherine Ottlé; C. André; M. Zribi; A. Perrier; B. Coudert; Nicolas Boulain; Bernard Cappelaere; Luc Descroix; David Ramier

Agricultural and Forest Meteorology | 2012

An empirical expression to relate aerodynamic and surface temperatures for use within single-source energy balance models

Gilles Boulet; Albert Olioso; Eric Ceschia; O. Marloie; B. Coudert; V. Rivalland; Jonas Chirouze; Ghani Chehbouni

Agricultural and Forest Meteorology | 2009

SEtHyS_Savannah: A multiple source land surface model applied to Sahelian landscapes

Stephane Saux-Picart; Catherine Ottlé; A. Perrier; B. Coudert; M. Zribi; N. Boulain; Bernard Cappelaere; David Ramier

Remote Sensing of Environment | 2008

Monitoring land surface processes with thermal infrared data: Calibration of SVAT parameters based on the optimisation of diurnal surface temperature cycling features

B. Coudert; Catherine Ottlé; Xavier Briottet

Hydrology and Earth System Sciences | 2015

The SPARSE model for the prediction of water stress and evapotranspiration components from thermal infra-red data and its evaluation over irrigated and rainfed wheat

Gilles Boulet; Bernard Mougenot; Jean-Paul Lhomme; Pascal Fanise; Zohra Lili-Chabaane; Albert Olioso; M. Bahir; V. Rivalland; Lionel Jarlan; O. Merlin; B. Coudert; S. Er-Raki; Jean-Pierre Lagouarde

RAQRSS'IV 4th International Symposium in Recent Advances in Quantitative Remote Sensing | 2014

Total and component evapotranspiration retrieval performances of a single-pixel energy balance models over agricultural crops.

G. Boulet; B. Mougenot; Z. Lili Chabaane; Pascal Fanise; Albert Olioso; M Bahir; Vincent Rivalland; Lionel Jarlan; B. Coudert; Jean-Pierre Lagouarde

RAQRS'IV 4th International Symposium in Recent Advances in Quantitative Remote Sensing | 2014

Evapotranspiration and water stress retrieval performances of single-pixel energy balance models over irrigated and rainfed agricultural crops.

G. Boulet; B. Mougenot; Z. Lili Chabaane; Pascal Fanise; Albert Olioso; M Bahir; Vincent Rivalland; Lionel Jarlan; B. Coudert; Jean-Pierre Lagouarde

Laboratory contribution on Earth Science to the CNES report to COSPAR 2014. Space Research in France, 40th scientific assembly | 2014

Seasonal evaporation using instantaneous satellite measurements in the thermal infrared domain (Evolution de l’évaporation saisonnière à partir de mesures instantanées dans l’infra-rouge thermique).

G. Boulet; E. Delogu; Jonas Chirouze; M Bahir; Albert Olioso; B. Coudert; Vincent Rivalland; Lionel Jarlan; Jean-Pierre Lagouarde

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Jean-Pierre Lagouarde

Institut national de la recherche agronomique

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Albert Olioso

Institut national de la recherche agronomique

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Catherine Ottlé

Centre national de la recherche scientifique

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Jonas Chirouze

Centre national de la recherche scientifique

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G. Boulet

University of Toulouse

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Gilles Boulet

Centre national de la recherche scientifique

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Vincent Rivalland

University of Toulouse

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E. Delogu

Centre national de la recherche scientifique

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Eric Ceschia

Centre national de la recherche scientifique

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Ghani Chehbouni

Centre national de la recherche scientifique

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