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472 Research products, page 2 of 48

  • Rural Digital Europe
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  • CemOA
  • Munich RePEc Personal Archive

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  • Open Access English
    Authors: 
    Laurent, C.; Baragatti, M.; Taylor, J.; Scholasch, T.; Metay, A.; Tisseyre, B.;
    Publisher: Wageningen Academic Publishers

    In precision agriculture, most studies focus on spatial crop variability whereas temporal variability and its role in decision-making is equally important. The classical methods for temporal analysis have limitations, potentially resulting in information loss. A novel m...

  • Open Access English
    Authors: 
    Bazzi, H.; Baghdadi, N.; El Hajj, M.; Zribi, M.; Ho Tong Minh, D.; Ndikumana, E.; Courault, D.; Belhouchette, H.;

    This study proposes an effective method to map rice crops using the Sentinel-1 SAR (Synthetic Aperture Radar) time series over the Camargue region, Southern France. First, the temporal behavior of the SAR backscattering coefficient over 832 plots containing different cr...

  • Open Access English
    Authors: 
    Michez, A.; Lejeune, P.; Bauwens, S.; Herinaina, A.L.; Blaise, Y.; Castro Muñoz , E.; Lebeau, F; Bindelle, J.;

    The tools available to farmers to manage grazed pastures and adjust forage demand to grass growth are generally rather static. Unmanned aerial systems (UASs) are interesting versatile tools that can provide relevant 3D information, such as sward height (3D structure), o...

  • Open Access English
    Authors: 
    Bousbih, S.; Zribi, M.; Pelletier, C.; Gorrab, A.; Lili Chabaane, Z.; Baghdadi, N.; Aissa, N.B.; Mougenot, B.;

    This paper discusses the combined use of remotely sensed optical and radar data for the estimation and mapping of soil texture. The study is based on Sentinel-1 (S-1) and Sentinel-2 (S-2) data acquired between July and early December 2017, on a semi-arid area about 3000...

  • Open Access English
    Authors: 
    El Hajj, M.; Baghdadi, N.; Bazzi, H.; Zribi, M.;

    This paper assesses the potential of Synthetic Aperture Radar (SAR) in the C and L bands to penetrate into the canopy cover of wheat, maize and grasslands. For wheat and grasslands, the sensitivity of the C and L bands to in situ surface soil moisture (SSM) was first st...

  • Open Access English
    Authors: 
    Bazzi, H.; Baghdadi, N.; Ienco, D.; El Hajj, M.; Zribi, M.; Belhouchette, H.; Jose Escorihuela, M.; Demarez, V.;

    Mapping irrigated plots is essential for better water resource management. Today, the free and open access Sentinel-1 (S1) and Sentinel-2 (S2) data with high revisit time offers a powerful tool for irrigation mapping at plot scale. Up to date, few studies have used S1 a...

  • Open Access English
    Authors: 
    El Moussawi, I.; Ho Tong Minh, D.; Baghdadi, N.; Abdallah, C.; Jomaah, J.; Strauss, O.; Lavalle, M.; Ngo, Y.N.;

    Our study aims to provide a comparison of the P- and L-band TomoSAR profiles, Land Vegetation and Ice Sensor (LVIS), and discrete return LiDAR to assess the ability for TomoSAR to monitor and estimate the tropical forest structure parameters for enhanced forest manageme...

  • Open Access English
    Authors: 
    Laybros, A.; Schlapfer, D.; Feret, J.B.; Descroix, L.; Bedeau, C.; Lefevre, M.J.; Vincent, G.;

    Imaging spectroscopy is a promising tool for airborne tree species recognition in hyper-diverse tropical canopies. However, its widespread application is limited by the signal sensitivity to acquisition parameters, which may require new training data in every new area o...

  • Open Access English
    Authors: 
    Bazzi, H.; Baghdadi, N.; El Hajj, M.; Zribi, M.;

    The objective of this paper is to present an analysis of Sentinel-1 derived surface soil moisture maps (S1-SSM) produced with high spatial resolution (at plot scale) and a revisit time of six days for the Occitanie region located in the South of France as a function of ...

  • Open Access English
    Authors: 
    Cammarano, D.; Holland, J.; Basso, B.; Fontana, F.; Murgia, T.; Lange, C.; Taylor, J.; Ronga, D.;
    Publisher: Wageningen Academic Publishers

    The objectives of this study were to: (1) quantify the factors causing spatial variability, and (2) design a proof of a concept for a support system that considers the impacts of temporal variability. The subdivision of a field based on six years of spatial yield data i...