Dataset: SOLARIS superoxide and standard CTD profiles from the EMB276 cruise on R/V Elisabeth Mann Borgese in the Baltic Sea from September 20-27, 2021

Final no updates expectedDOI: 10.26008/1912/bco-dmo.935118.1Version 1 (2024-10-09)Dataset Type:Cruise Results

Principal Investigator: Colleen Hansel (Woods Hole Oceanographic Institution)

Scientist, Contact: Lina Taenzer (Woods Hole Oceanographic Institution)

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


Project: Collaborative Research: Manganese Cycling and Coupling Across Redox Boundaries within Stratified Basins of the Baltic Sea (MnIONS)


Abstract

SOLARIS superoxide profiles and standard CTD profiles including oxygen, turbidity, fluorescence, temperature, and PAR data from seven stations in the Baltic Sea collected between September 20 - 27, 2021. Data was collected from the R/V Elisabeth Mann Borgese.

In situ measurements of superoxide were made with a superoxide sensor, SOLARIS, which has been previously described in detail in Taenzer et al., 2022. Superoxide is quantified using a chemiluminescent method where seawater is drawn in and combines with the chemiluminescent probe methyl Cypridina luciferin analog (MCLA) in a mixing cell. MCLA reacts specifically with superoxide, and the light that is produced is quantified by a photomultiplier. Data are collected at the frequency of 2 Hz, as raw counts.

Temperature, oxygen, salinity, photosynthetically active radiation (PAR), fluorescence, and turbidity were measured by a standard CTD package and associated rosette mounted sensors (Seabird 9/11+). 


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