NOAA EPP Intern, Nikola Rodriguez, gets ready to deploy the Expendable Bathythermograph (XBT) off the aft deck of NOAA Ship
Okeanos Explorer. XBTs are launched every ~2-6 hours to acquire temperature data of the water column down to 760 meters (2,493 feet). These data are used to estimate water column refraction required for multibeam sonar data.
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