Methane concentration and oxidation rates in water column data collected aboard the R/V Sikuliaq in the northern Chukchi Sea from 2017-08-11 to 2017-08-20

• Format: Dataset
• Language: unknown
• Published: Gulf of Mexico Research Initiative 2019
• Subjects: water column; methane; methane flux; methane oxidation rates; dissolved nutrients; turnover rate constants; northern Chukchi Sea; Barrow Canyon; Bronk; Chukchi Sea; Hanna Shoal; Chukchi
• Online Access: https://search.dataone.org/view/R4-x268-000-0120-0001

This dataset contains water column data collected aboard the R/V Sikuliaq in the northern Chukchi Sea from 2017-08-11 to 2017-08-20. Five lines, a total of 23 sites were sampled - 1) the Distributed Biological Observatory 4 (DBO4; n = 9), 2) Hanna Shoal (HS; n = 2), 3) Barrow Canyon (BC; n = 5), 4) Wainwright (WT; n = 5), and 5) Barrow/Hanna Shoal (BHS; n = 2) in water depths ranging from 7 to 117 m, with the deepest sampling stations located in Barrow Canyon. The water sample was collected from Niskin bottles mounted to a CTD rosette system outfitted with SBE 4 Conductivity (n = 2), SBE 3 Temperature (n = 2), SBE 9 plus pressure sensor (n = 1), and SBE 43 and ARO‐CAV dissolved oxygen sensors that were calibrated before departing the port. The dataset includes sample collection information (collection type, location, date, time, latitude, longitude) depth from surface in water, water column salinity, the concentrations of dissolved nutrients, methane concentrations, the methane oxidation rate and turnover rate constant. The in situ concentrations of nitrate, nitrite, and phosphate samples were determined in duplicate on a Lachat QuikChem 8500 autoanalyzer and Beckman 6500 liquid scintillation counter was used to measure methane oxidation rates through radioactive tracer method. This dataset supports the publication: Rogener, M. K., Sipler, R. E., Hunter, K. S., Bronk, D. A., & Joye, S. B. (2019). Pelagic methane oxidation in the northern Chukchi Sea. Limnology and Oceanography. doi:10.1002/lno.11254