Dahédrey Payandi-Rolland

Postdoctoral researcher - Hydrologie et Géochimie de la zone Critique

CNRS

Email : dahedrey.payandi-rollandDear bot, you won't get my mail address@and my domain...univ-tlse3.fr

CV / functions

Professional experience

2021-2022 Postdoctoral position (national scientific research centre, CNRS) at Laboratory of functional ecology and environment, Toulouse, France.

2017-2020 Ph.D. student / Contractual researcher and Teaching assistant at University Toulouse 3 (Paul Sabatier), France, Geoscience Environment Toulouse (GET) laboratory.

Education

2017-2020 University Toulouse 3 (Paul Sabatier), France, Ph.D. student, Geoscience Environment Toulouse (GET) laboratory. Advisor: Pascale Bénézeth and Liudmila S. Shirokova. Project: Experimental modelling of the impact of permafrost thawing on the biogeochemistry of sub-arctic lakes

2016-2017 University of Burgundy, France, M.S. in Biogeoscience. Advisor: Emmanuelle Vennin and Irina Bundeleva. Undergraduate research project: Modern microbialites precipitation, the case study of “la Mérantaise” creek (Orsay, France)

2015-2016 University of Burgundy, France, Master’s degree in Biogeoscience. Advisor: Christophe Durlet and Matthieu Deville de Periere. Undergraduate research project: Age and origin of the Bathono-Callovian dolomites of the Beaune area (Burgundy, France)

2013-2015 University Paris Saclay, France, 2^nd and 3^rd year of geoscience B.S. Advisor: Benjamin Brigaud. Undergraduate research project: Petrographic study of recent carbonate sand from the Isle of Pine (New Caledonia).

2012-2013 Lakanal High school, France, 1^st year of preparatory school in Biology, Chemistry, Physics and Earth Science (BCPST).

Publications

D. Payandi-Rolland, L.S. Shirokova, F. Labonne, P. Bénézeth, O.S. Pokrovsky. 2021. Impact of freeze-thaw cycles on organic carbon and metals in waters of permafrost peatlands. Chemosphere 130510. https://doi.org/10.1016/j.chemosphere.2021.130510

D. Payandi-Rolland, L.S. Shirokova, M. Tesfa, P. Bénézeth, A.G. Lim, D. Kuzmina, J. Karlsson, R. Giesler, O.S. Pokrovsky, 2020. Dissolved organic matter biodegradation along a hydrological continuum in permafrost peatlands. Science of The Total Environment 749, 141463. https://doi.org/10.1016/j.scitotenv.2020.141463

L.S. Shirokova, D. Payandi-Rolland, A.G. Lim, R.M. Manasypov, J. Allen, J.-L. Rols, P. Bénézeth, J. Karlsson, O.S. Pokrovsky. 2020. Diel cycles of carbon, nutrient and metal in humic lakes of permafrost peatlands. Science of The Total Environment 737, 139671. https://doi.org/10.1016/j.scitotenv.2020.139671

D. Payandi-Rolland, L.S. Shirokova, P. Nakhle, M. Tesfa, A. Abdou, C. Causserand, B. Lartiges, J.-L. Rols, F. Guérin, P. Bénézeth, O.S. Pokrovsky, 2020. Aerobic release and biodegradation of dissolved organic matter from frozen peat: Effects of temperature and heterotrophic bacteria. Chemical Geology 536, 119448. https://doi.org/10.1016/j.chemgeo.2019.119448

D. Payandi-Rolland, A. Roche, E. Vennin, P.T. Visscher, P. Amiotte-Suchet, C. Thomas, I.A. Bundeleva, 2019. Carbonate Precipitation in Mixed Cyanobacterial Biofilms Forming Freshwater Microbial Tufa. Minerals 9, 409. https://doi.org/10.3390/min9070409

A. Roche, E. Vennin, I. Bundeleva, A. Bouton, D. Payandi-Rolland, P. Amiotte-Suchet, E.C. Gaucher, H. Courvoisier, P.T. Visscher, 2019. The Role of the Substrate on the Mineralization Potential of Microbial Mats in A Modern Freshwater River (Paris Basin, France). Minerals 9, 359. https://doi.org/10.3390/min9060359

L.S. Shirokova, A.V. Chupakov, S.A. Zabelina, N.V. Neverova, D. Payandi-Rolland, C. Causserand, J. Karlsson, O.S. Pokrovsky. 2019. Humic surface waters of frozen peat bogs (permafrost zone) are highly resistant to bio- and photodegradation. Biogeosciences 16, 2511–2526. https://doi.org/10.5194/bg-16-2511-2019

L.S. Shirokova, I. Ivanova, R. Manasypov, O.S. Pokrovsky, A. Chupakov, S. Iglovsky, N. Shorina, S. Zabelina, M. Gofarov, D. Payandi-Rolland, A. Chupakova, O. Moreva. 2019. The evolution of the ecosystems of thermokarst lakes of the Bolshezemelskaya tundra in the context of climate change. E3S Web Conf. 98, 02010. https://doi.org/10.1051/e3sconf/20199802010

Teaching

Teaching:

2017-2020 Carbonate sedimentology (practical course) for bachelor students

Graduate students advised:

2019 M. Tesfa, M.S. co-adviser, Biodegradation of organic matter in soils and thermokarst lakes: microbiological and structural approach (University Toulouse 3)

2018 P. Nakhle, M.S. co-adviser, Experimental modelling of the peat degradation, and CO₂ and CH₄ production in permafrost affected lakes under ongoing climate warming (University Toulouse 3)

Undergraduate students advised:

2019 F. Labonne, 3^rd year B.S. student co-adviser, Impact of freezing cycles on dissolved organic carbon and metals trace elements from soils, vegetation, and natural waters of the “Bolshezemelskaya” tundra (University Toulouse 3)

2018 A. Abdou, 1^st year M.S. student. co-adviser, Impact of the organic matter origins and temperature on the growth of heterotrophic bacteria in thermokarst lakes (University Toulouse 3)

2018 J. Larieux, 1^st year M.S. student. co-adviser, Experimental modelling of the colonisation of an invasive cyanobacteria (Microcystis aeruginosa) in thermokarst lakes (University Toulouse 3)

Dahédrey Payandi-Rolland

Rechercher