Dataset: CTD and underwater mass spectrometer data acquired in 2016 aboard the RV/Endeavor (cruise EN575) in the the subtropical Atlantic using a Triaxus tow vehicle.

Final no updates expectedDOI: 10.26008/1912/bco-dmo.843222.1Version 1 (2021-03-03)Dataset Type:Cruise Results

Principal Investigator, Contact: Brice Loose (University of Rhode Island)

Co-Principal Investigator: R. Timothy Short (SRI International)

Scientist: Richard D. Ricketts (University of Minnesota Duluth)

Scientist: Strawn Toler (SRI International)

Technician: Jason Agnich (University of Minnesota Duluth)

Technician: Erich Gruebel (University of Rhode Island)

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


Project: Collaborative Research: Inventories of Primary Productivity by In-situ Mass Spectrometry in the Upper Ocean (ZIPP)


Abstract

CTD and underwater mass spectrometer data acquired in 2016 aboard the RV/Endeavor (cruise EN575) in the the subtropical Atlantic using a Triaxus tow vehicle.

Data collected from Pt. Everglades, Florida to Narragansett Bay, Rhode Island, crossing Gulf Stream and several mesoscale eddies between 28 and 40 N. The SWIMS instrument uses a quadrupole mass analyzer to measure in-situ gas concentration.  Ion currents were calibrated using an in-situ calibration technique and a Recurrent Neural Network to remove bias introduced by pressure and temperature changes on the membrane inlet.

In this application we towed the mass-spectrometer through water depths from 0 to 150 m aboard a Triaxus tow vehicle, corresponding to region where sunlight penetrates the surface ocean. The SWIMS was used to measure oxygen, argon, carbon dioxide, and nitrogen in seawater. 


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