Acknowledgements
We thank the captains, crews, and scientific members of the RVInvestigator cruises IN2018_V02 and IN2018_V04 as well as the
trace metal sampling teams, especially Robin Grun, Pamela Barrett, and
Kiefer Forsch, the sediment coring team of Kelly-Anne Lawler, Hannah
Kumar, Annabel Payne, and Hannah Wilson, and Phil Boyd for coordinating
and planning trace metal operations on cruise IN2018_V02. The authors
wish to thank the CSIRO Marine National Facility (MNF) for its support
in the form of sea time on RV Investigator, support personnel,
scientific equipment and data management. We thank the captains, crew,
and scientific personnel of the additional cruises from which we present
new data (ACE Leg 1, GP13, M77/4, Line P 2012-13, DY110) as well as
Christel Hassler and Andy Bowie for samples from cruise GP13, Nina
Schuback for sampling on cruise DY110, and Martin Frank and Patricia
Grasse for samples from cruise M77/4. We thank Julijana Krbanjevic for
TC/TIC analysis. We acknowledge Zanna Chase, Barbara Grose, and Pete
Strutton for logistical support, Zanna Chase for the use of her
centrifuge on voyage IN2018V_04, and Martin Wille for sharing
analytical expertise, Neptune support, and for helpful discussions. We
thank Tim Conway for providing CTD data for the SAFe station. This
manuscript was improved by constructive comments from Lou Derry and two
anonymous reviewers. This work was supported by the Swiss National
Science Foundation (SNSF grant PP00P2_172915) and by a European
Research Council (ERC) Consolidator Grant (SCrIPT grant agreement
819139). Chromium data were obtained on a Neptune MC-ICP-MS acquired
with funds from the NCCR PlanetS supported by SNSF grant 51NF40-141881.
Maps and some figures were made using Ocean Data View (available at
http://odv.awi.de).