Séminaire de Céline PALLUD (Université de Californie, Berkeley)



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Le vendredi 18 mai 2018 à 13h00, salle de conférences de l'OSUR, bâtiment 14b, Campus de Beaulieu, UR1

Le vendredi 18 mai 2018 à 13h00, salle de conférences de l'OSUR, bâtiment 14b, Campus de Beaulieu, UR1

From the aggregate - to the horizon-scale: Addressing coupled biogeochemical and transport processes controlling iron reduction in soils

Abstract: Iron (hydr)oxides are ubiquitous in soils and sediments and play a dominant role in the geochemistry of surface and subsurface environments. Their fate depends on local environmental conditions, which in structured (aggregated) soils may vary significantly over short distances due to mass-transfer limitations on solute delivery and metabolite removal. This presentation will discuss the use of flow-through reactors of increasing complexity, to study the coupling of physical, and (bio)geochemical processes affecting iron cycling in soils in order to fill the gap between understanding of well mixed batch systems and observations on complex natural subsurface systems.

Contact: Céline PALLUD





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