CTD and underwater mass spectrometer data acquired in 2017 aboard the RV/Endeavor (cruise EN602) in the the subtropical Atlantic using a Triaxus tow vehicle.
EN602: Departure port of Gulfport, MS to Narragansett Bay, Rhode Island. Problems with Triaxus overheating restricted data collection, to a region of the subtropical Atlantic between 28 N and 40 N. The ship track followed the same coordinates used during EN575.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.
Loose, B., Short, R. T., Toler, S., Agnich, J., Gruebel, E., Ricketts, R. D. (2021) CTD and underwater mass spectrometer data acquired in 2017 aboard the RV/Endeavor (cruise EN602) in the the subtropical Atlantic using a Triaxus tow vehicle.. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-03-04 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.828767.1 [access date]
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