An Overlooked Silica Source of the Modern Oceans: Are Sandy Beaches the Key?

Autor: Sébastien Fabre, Catherine Jeandel, Thomas Zambardi, Michel Roustan, Rafaël Almar

Publikováno v: Frontiers in Earth Science, Vol 7 (2019)

We consider the Si flux resulting from sand grain dissolution on beaches under the pressure of the intensive and continuous shaking by the waves, a potential source of oceanic DSi that is not currently considered. Today, DSi source and sink fluxes ar

Externí odkaz: https://doaj.org/article/e60af43f734947beac3c25585870e09d

PET plastics as a Trojan horse for radionuclides

Autor: Radhouan El Zrelli, Lamia Yacoubi, Sylvie Castet, Michel Grégoire, Claudie Josse, Jean-François Olive, Pierre Courjault-Radé, Pieter van Beek, Thomas Zambardi, Marc Souhaut, Jeroen E. Sonke, Lotfi Jilani Rabaoui

Publikováno v: Journal of Hazardous Materials. 441:129886

Mismanaged plastic waste interacts with secondary environmental pollutants, potentially aggravating their impact on ecosystems and human health. Here we characterized the natural and artificial radionuclides in polyethylene terephthalate (PET) bottle

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40ca2235b65786359170c2849d476143
https://doi.org/10.1016/j.jhazmat.2022.129886

Effects of environmental factors on the monitoring of environmental radioactivity by airborne gamma-ray spectrometry

Autor: Hugo Raynal, Julien Amestoy, Marc Souhaut, Patrick Richon, Éric Pique, David Baratoux, Pieter van Beek, Pascal Chotard, Thomas Zambardi, Aude Delpuech, Solène Derrien, Pierre-Yves Meslin

Publikováno v: Journal of Environmental Radioactivity. 237:106695

This study describes and discusses the results of a 14 month-long campaign (April 2019 to June 2020) aimed at characterizing and quantifying the influence of environmental factors (cosmic rays, rainfall events, soil moisture and atmospheric radon) on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fef9d08d69ec1ab4f8159354c4b5810a
https://doi.org/10.1016/j.jenvrad.2021.106695

Extreme silicon isotope fractionation due to Si organic complexation: Implications for silica biomineralization

Autor: Merlin Méheut, Jérôme Chmeleff, Eric H. Oelkers, Franziska M. Stamm, Jacques Schott, Thomas Zambardi

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 2020, 541, pp.116287. ⟨10.1016/j.epsl.2020.116287⟩
Earth and Planetary Science Letters, 2020, 541, pp.116287. ⟨10.1016/j.epsl.2020.116287⟩

A combination of theoretical predictions and isotopic equilibration experiments using the three-isotope method have been performed to assess Si isotope fractionation among minerals, and aqueous species in the presence of dissolved catechol. Aqueous S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::940f6cf2e71707305b6ec4a30049cf3b
https://doi.org/10.1016/j.epsl.2020.116287

Origin of silica in rice plants and contribution of diatom Earth fertilization: insights from isotopic Si mass balance in a paddy field

Autor: Jean Riotte, Thomas Zambardi, Sriramulu Buvaneshwari, Jean-Dominique Meunier, Stéphane Audry, Kollalu Sandhya, Nagabovanalli B. Prakash, Jérôme Chmeleff

Publikováno v: Plant and Soil
Plant and Soil, Springer Verlag, 2018, 423 (1-2), pp.481-501. ⟨10.1007/s11104-017-3535-z⟩
Plant and Soil, 2018, 423 (1-2), pp.481-501. ⟨10.1007/s11104-017-3535-z⟩

The benefits of Si for crops is well evidenced but the biogeochemical cycle of Si in agriculture remains poorly documented. This study aims at identifying and quantifying the Si sources (primary and secondary soil minerals, amorphous silica, irrigati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1d11f6e185c6e20f55d6702c04caf8e
http://eprints.iisc.ac.in/59396/1/Pla_Soi_423-1_481_2018.pdf