Dataset: Dissolved trace metal (Mn, Fe, Co, Ni, Cu, Zn, Cd, Pb) concentrations from surface (towfish) samples collected during the 2018 EXPORTS cruise (RR1813) to the subarctic North Pacific near Ocean Station PAPA (Station P) on R/V Roger Revelle

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.869683.2Version 2 (2023-06-02)Dataset Type:Cruise Results

Principal Investigator, Contact: Kristen Nicolle Buck (University of South Florida)

Co-Principal Investigator: Mark A. Brzezinski (University of California-Santa Barbara)

Co-Principal Investigator: Bethany D. Jenkins (University of Rhode Island)

Student: Shannon M. Burns (University of South Florida)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)

BCO-DMO Data Manager: Karen Soenen (Woods Hole Oceanographic Institution)


Program: EXport Processes in the Ocean from Remote Sensing (EXPORTS)

Project: Collaborative Research: Diatoms, Food Webs and Carbon Export - Leveraging NASA EXPORTS to Test the Role of Diatom Physiology in the Biological Carbon Pump (Diatoms and carbon export)


Abstract

This dataset includes concentrations of dissolved (<0.2 micrometers (µm)) manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), cadmium (Cd), and lead (Pb) in surface (~2 meters) samples collected between 15 August 2018 and 6 September 2018 during the EXports Processes in the Oceans from RemoTe Sensing (EXPORTS) cruise aboard R/V Roger Revelle cruise RR1813 at Ocean Station PAPA (Station P).

Surface (~2 meters) water samples for dissolved trace metal concentrations were collected using a custom trace metal clean "towfish" sampling system (Mellett and Buck 2020) on the R/V Roger Revelle between 18 August and 6 September 2018 (during cruise RR1813). A total of 24 samples were filtered (<0.2 micrometers, Pall Acropak) inline, collected in acid-cleaned 125-milliliter low-density polyethylene (LDPE, Nalgene) bottles, and acidified to 0.024 M hydrochloric acid (HCl, Fisher Optima). Dissolved trace metal (Fe, Cu, Mn, Co, Ni, Cu, Zn, Cd, Pb) concentrations were determined by high-resolution inductively coupled plasma mass spectrometry (HR-ICP-MS) at the University of South Florida (Hollister et al. 2020). 

Samples were collected at sea by Ph.D. student Travis Mellett (USF) and Dr. Salvatore Caprara (USF). Sample analyses for dissolved trace metals were performed by Shannon Burns (USF) with assistance from Dr. Salvatore Caprara (USF). 


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Methods

Hollister, A. P., Kerr, M., Malki, K., Muhlbach, E., Robert, M., Tilney, C. L., Hubbard, K.A., & Buck, K. N. (2020). Regeneration of macronutrients and trace metals during phytoplankton decay: An experimental study. Limnology and Oceanography. doi:10.1002/lno.11429
Methods

Mellett, T., & Buck, K. N. (2020). Spatial and temporal variability of trace metals (Fe, Cu, Mn, Zn, Co, Ni, Cd, Pb), iron and copper speciation, and electroactive Fe-binding humic substances in surface waters of the eastern Gulf of Mexico. Marine Chemistry, 227: 103891. doi:10.1016/j.marchem.2020.103891