Cover Image

Saved in:
Bibliographic Details
Main Authors: Waltemathe, Henning, Struve, Torben, Rehbein, Matthias, Pahnke, Katharina
Format: Dataset Open Access
Language:en
Published: PANGAEA 2024
Subjects:
2SD; 2SE; Bottle number; Calculated, 2 sigma; Calculated, 2 standard deviation; Calculated, 2 standard error; Cruise/expedition; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Dissolved neodymium concentrations; Dissolved neodymium isotope composition; Event label; GEOTRACES; Global marine biogeochemical cycles of trace elements and their isotopes; Hydrothermal influence; Identification; Inductively coupled plasma mass spectrometer (ICP-MS), Thermo Finnigan, Element 2; coupled with Desolvation introduction system, Teledyne ​CETAC Technologies, Aridus 2; LATITUDE; LONGITUDE; Multicollector inductively coupled plasma mass spectrometer (MC-ICP-MS), ThermoFisher Scientific, Neptune Plus; coupled with Desolvation introduction system, Teledyne ​CETAC Technologies, Aridus 2; Neodymium, dissolved; Neodymium, dissolved, uncertainty; Neodymium-143/Neodymium-144 ratio; Neodymium-143/Neodymium-144 ratio, standard error; Normalised (Tanaka et al. 2000); Radiogenic isotopes; Relative standard deviation according to Pahnke et al. (2012); RSD%; Sample ID; SO245; SO245_10-1; SO245_12-2; SO245_14-2; SO245_15-13; SO245_2-2; SO245_4-1; SO245_6-1; SO245_8-1; Sonne_2; South Pacific; South Pacific Ocean; Station label; UltraPac, GEOTRACES; ε-Neodymium; ε-Neodymium, error; ε-Neodymium, standard deviation
Online Access:https://doi.org/10.1594/PANGAEA.968708
Tags: Add Tag
No Tags, Be the first to tag this record!
Table of Contents:
  • This dataset includes seawater neodymium (Nd) concentrations and Nd isotope signatures (expressed as ε-Nd) obtained from a zonal deep-water (1500 – 5321 m water depth) transect across the oligotrophic South Pacific gyre. The samples were collected during cruise SO245 with R/V Sonne as part of the GEOTRACES process study GPpr09 from February 17th 2015, to January 28th 2016. The samples were processed and analysed following the GEOTRACES protocols. Across 8 stations, dissolved Nd ranges from 10.76 to 31.1 pmol/kg with an overall increase with water depth, but slightly lower concentrations in the deep Southeast Pacific compared to the Southwest Pacific. The isotope composition shows ε-Nd values ranging from -8.5 to -3.9 with lowest ε-Nd (ε-Nd = -8.5 to -7.5) in the deep Pacific west of the East Pacific Rise (EPR) and more radiogenic εNd values (εNd = -6 to -4) east of the EPR.

Similar Items