Dataset: Carbonate chemistry and CTD data collected along a North Pacific transect between Hawaii and Alaska on R/V Kilo Moana cruise KM1712 in August 2017

Final no updates expectedDOI: 10.26008/1912/bco-dmo.836954.2Version 2 (2022-01-31)Dataset Type:Cruise Results

Principal Investigator: William M. Berelson (University of Southern California)

Co-Principal Investigator: Jess F. Adkins (California Institute of Technology)

Scientist, Contact: Sijia Dong (University of Southern California)

Scientist: Xuewu Liu (University of South Florida)

Scientist: John D. Naviaux (California Institute of Technology)

Scientist: Nick E. Rollins (University of Southern California)

Scientist: Adam V. Subhas (Woods Hole Oceanographic Institution)

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


Project: Collaborative Research: CaCO3 Dissolution in the North Pacific Ocean: Comparison of Lab and Field Rates with Biogenic and Abiogenic Carbonates (CDISK_4)

Project: Ocean Acidification - Collaborative Research: Measuring the kinetics of CaCO3 dissolution in seawater using novel isotope labeling, laboratory experiments, and in situ experiments (CaCO3 dissolution)


Abstract

This dataset includes carbonate chemistry and general measurements from CTD casts at 6 stations between Hawaii and Alaska. Data were collected in August 2017 onboard R/V Kilo Moana.

Water samples were collected at 24 different depths during each CTD cast. Temperature, salinity, [O2], density and fluorescence were measured in situ both downcast and upcast. After CTD recovery, water samples were collected and DIC, pH, d13C of DIC were measured onboard. Other parameters in the carbonate system were calculated using CO2SYS.

DIC and d13C were measured using a Picarro Cavity Ring-Down Spectroscopy (G2131-i). pH was measured using a Varian Cary 400 spectrophotometer. The CTD included a rosette of 24 10L bottles.

Data columns d13C_DIC_PDB_USC1 and d13C_DIC_PDB_USC2 were measured by the USC and Caltech groups. All other data columns to the right (d13C_DIC_PDB_USF1 and d13C_DIC_PDB_USF2, Alk, DIC, pH, OmegaCa, and OmegaAr) were measured by the USF group.


Related Datasets

No Related Datasets

Related Publications

Methods

Dong, S., Berelson, W. M., Rollins, N. E., Subhas, A. V., Naviaux, J. D., Celestian, A. J., Liu, X., Turaga, N., Kemnitz, N. J., Byrne, R. H., & Adkins, J. F. (2019). Aragonite dissolution kinetics and calcite/aragonite ratios in sinking and suspended particles in the North Pacific. Earth and Planetary Science Letters, 515, 1–12. https://doi.org/10.1016/j.epsl.2019.03.016
Methods

Naviaux, J. D., Subhas, A. V., Dong, S., Rollins, N. E., Liu, X., Byrne, R. H., … Adkins, J. F. (2019). Calcite dissolution rates in seawater: Lab vs. in-situ measurements and inhibition by organic matter. Marine Chemistry, 215, 103684. doi:10.1016/j.marchem.2019.103684