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
Image courtesy of NOAA Office of Ocean Exploration and Research, Tropical Exploration 2015. Download larger version (jpg, 530 KB).

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.

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