Preparing for an XBT cast. On NOAA Ship Okeanos Explorer we need to conduct an XBT every 4-6 hours to ensure we have accurate information about the sound velocity in the area we are mapping.

Preparing for an XBT cast. On NOAA Ship Okeanos Explorer we need to conduct an XBT every 4-6 hours to ensure we have accurate information about the sound velocity in the area we are mapping. Image courtesy of the NOAA Office of Ocean Exploration and Research, Tropical Exploration 2015.

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Related Links

Tropical Exploration 2015 Mission Plan

Tropical Exploration 2015 Education Module

NOAA Ship Okeanos Explorer