Estimation of daily CO2 fluxes and of the components of the carbon budget for winter wheat by the assimilation of Sentinel 2-like remote sensing data into a crop model. 

Gaétan Pique, Rémy Fieuzal, Ahmad Al Bitar, Amanda Veloso, Tiphaine Tallec, Aurore Brut, Morgan Ferlicoq, Bartosz Zawilski, Jean-François Dejoux, Hervé Gibrin, Eric Ceschia (2020) Geoderma, 376, 114428. DOI :

The upper right corner shows the location of the study site in southwestern France, as well as the footprint of Formosat-2 (green square) and Spot (orange square) images (in 2014 and 2012, respectively). The SPOT-4 false color image used as the background shows the flux sites of FR-Aur and FR-Lam (zoomed areas), the network of fields sampled for biomass and yield during the 2011 field campaign (yellow points), and the SAFRAN meteorological grid (black crosses)


  • We developed a model estimating the components of the carbon budget for croplands.
  • The model assimilates remote sensing products for up-scaling the carbon budget.
  • Biomass, yield and CO2 fluxes of winter wheat are correctly estimated.
  • Weeds, re-growth and cover crops significantly impact the carbon budgets.
  • Remote sensing data assimilation in crop models is promising for global application.

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The team

A multidisciplinary team contributes to the development and validation of the SAFYE-CO2 model and AgriCarbon-EO processing chain. Our team covers a wide range of expertise, essential for the devellopment of complex tools. Our expertise include agronomy, hydrology, remote sensing, numerical methods, scientific computing, and field observation systems. We cherish this diversity as it is the […]

Net Ecosystem Exchange of covercrops using AgriCarbon-EO [IGARSS’2022]

In July 2022, the AgirCarbon-EO approach for estimation of carbon budget of covercrops was presented by Ahmad Al Bitar at the IGARSS’2022, the flagship conference of the IEEE Geoscience and Remote Sensing Society (GRSS).

Combining high-resolution remote sensing products with a crop model to estimate carbon and water budget components: application to sunflower.

Gaétan Pique, Rémy Fieuzal, Philippe Debaeke, Ahmad Al Bitar, Tiphaine Tallec, Eric Ceschia (2020) Remote Sensing. DOI: Abstract To meet the incoming growth of the world’s food needs, and the demands of climate change, the agricultural sector will be forced to adapt its practices. To do so, the contribution of agricultural fields to greenhouse gas […]