CTD rosette on NOAA Ship Okeanos Explorer, complete with CTD (bottom section) and 12 Niskin bottles (top section).
CTD Rosette
Image courtesy of NOAA Ocean Exploration, 2021 EM 304 Sea Acceptance Testing and Mapping Shakedown. Download larger version (jpg, 2.4 MB).
CTD rosette on NOAA Ship Okeanos Explorer, complete with CTD (bottom section) and 12 Niskin bottles (top section).
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