Xavier Giraud
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View article: forcis: An R package for accessing, handling and analysing the FORCIS database
forcis: An R package for accessing, handling and analysing the FORCIS database Open
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View article: Size normalizing planktonic Foraminifera abundance in the water column
Size normalizing planktonic Foraminifera abundance in the water column Open
Planktonic Foraminifera have been collected from the water column with different plankton sampling devices equipped with nets of various mesh sizes, which impedes direct comparison of observed quantifications. Here, we use data on the comm…
View article: Size normalizing planktonic Foraminifera abundance in the water column
Size normalizing planktonic Foraminifera abundance in the water column Open
Planktonic Foraminifera have been collected from the water column with different plankton sampling devices equipped with nets of various mesh sizes, which impedes direct comparison of observed quantifications. Here, we use data on the comm…
View article: Size normalizing planktonic Foraminifera abundance in the water column
Size normalizing planktonic Foraminifera abundance in the water column Open
Data and R code for the paper Size normalizing planktonic Foraminifera abundance in the water column (https://doi.org/10.1002/lom3.10637) by Sonia Chaabane, Thibault de Garidel-Thoron, Xavier Giraud, Julie Meilland, Geert-Jan A. Brummer, L…
View article: Modern planktonic Foraminifera: migrating is not enough
Modern planktonic Foraminifera: migrating is not enough Open
Anthropogenic activities, in particular rising CO2 emissions, provoke ocean warming and acidification1,2, altering plankton habitats and threatening calcifying species3,4 such as planktonic Foraminifera (PF). Whether they can cope with the…
View article: Modern planktonic Foraminifera: migrating is not enough
Modern planktonic Foraminifera: migrating is not enough Open
Data and R code for "Modern planktonic Foraminifera: migrating is not enough" by Sonia Chaabane, Thibault de Garidel-Thoron, Julie Meilland, Olivier Sulpis, Thomas B. Chalk, Geert-Jan A. Brummer, P. Graham Mortyn, Xavier Giraud, Hélène How…
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View article: Size harmonizing planktonic Foraminifera number concentrations in the water column
Size harmonizing planktonic Foraminifera number concentrations in the water column Open
Data and R code for " Size harmonizing planktonic Foraminifera number concentrations in the water column " by Sonia Chaabane, Thibault de Garidel-Thoron, Xavier Giraud, Julie Meilland, Geert-Jan A. Brummer, Lukas Jonkers, P. Graham Mortyn,…
View article: A mechanism of post-depositional processes affecting chlorine and its isotope in the upper snowpack of High Antarctic Plateau
A mechanism of post-depositional processes affecting chlorine and its isotope in the upper snowpack of High Antarctic Plateau Open
The main purpose of this work is to propose a mechanism of post-depositional processes affecting chlorine and its chlorine-36 cosmogenic nuclide in the upper snowpack of the High Antarctic Plateau. We suggest that the observed decrease of …
View article: Supplementary material to "A mechanism of post-depositional processes affecting chlorine and its isotope in the upper snowpack of High Antarctic Plateau"
Supplementary material to "A mechanism of post-depositional processes affecting chlorine and its isotope in the upper snowpack of High Antarctic Plateau" Open
Figure S1: Logarithmic of RMSD value between model result and data (color scale) as a function of the diffusion coefficient D and the initial concentration in snow grain C0.The time lag is represented by the symbols: circle (no time lag), …
View article: The Foraminiferal Response to Climate Stressors Project: Tracking the Community Response of Planktonic Foraminifera to Historical Climate Change
The Foraminiferal Response to Climate Stressors Project: Tracking the Community Response of Planktonic Foraminifera to Historical Climate Change Open
Planktonic Foraminifera are ubiquitous marine protozoa inhabiting the upper ocean. During life, they secrete calcareous shells, which accumulate in marine sediments, providing a geological record of past spatial and temporal changes in the…
View article: A Comparison of <sup>36</sup>Cl Nuclear Bomb Inputs Deposited in Snow From Vostok and Talos Dome, Antarctica, Using the <sup>36</sup>Cl/Cl<sup>−</sup> ratio
A Comparison of <sup>36</sup>Cl Nuclear Bomb Inputs Deposited in Snow From Vostok and Talos Dome, Antarctica, Using the <sup>36</sup>Cl/Cl<sup>−</sup> ratio Open
36 Cl production in the atmosphere is modulated by the magnetic field intensity of both the Sun and the Earth. The record of 36 Cl concentration along with that of 10 Be in ice cores may therefore provide information as to their variabilit…
View article: Sea surface temperature reconstructions over the last 70 kyr off Portugal: Biomarker data and regional modeling
Sea surface temperature reconstructions over the last 70 kyr off Portugal: Biomarker data and regional modeling Open
This study aims at providing robust temperature reconstructions for a key oceanographic setting in the North Atlantic and at understanding the nature of the temperature signal recorded by the two biomarkers U-37(k) and TEX86, considering s…
View article: Carbon isotopes in the ocean model of the Community Earth System Model (CESM1)
Carbon isotopes in the ocean model of the Community Earth System Model (CESM1) Open
Carbon isotopes in the ocean are frequently used as paleoclimate proxies and as present-day geochemical ocean tracers. In order to allow a more direct comparison of climate model results with this large and currently underutilized data set…