Abrupt climate changes in the past have been attributed to variations in Atlantic Meridional Overturning Circulation (AMOC) strength. Knowing the exact timing and magnitude of the AMOC shift is important […]
Oct / 19 / 2018
Paleoceanography
Disentangling the paleo signals brought by neodymium isotopic composition
Which paleo information are traced by the imprint neodymium isotopic signatures (εNd) in the different archives: paleo circulation or paleo erosion? The scientific debate on this issue is opened for […]
Apr / 12 / 2017
Using chromium isotopes to reconstruct the oxygenation history of the oceans is challenged by modern data
Analyses of seawater chromium (Cr) concentrations and isotopes in diverse marine environments (Arctic, Pacific, and Atlantic Oceans) reveal a strong correlation between Cr isotope composition (δ53Cr) and Cr concentration. High […]
Mar / 07 / 2016
Impressive set of data reveal new features on the modern cadmium–phosphate relationship
Xie and co-authors (2015, see reference below) report vertical profiles of dissolved cadmium (Cd) in the western South Atlantic Ocean (GEOTRACES section GA02), which show nutrient-like distributions similar to those […]
Jan / 25 / 2016