Kate von Krusenstiern, an Explorer-in-Training from Bellingham, Washington, casting an expendable-bathy-thermograph (XBT) off the stern of the ship to measure the temperature of the water column.
Expendable-Bathy-Thermograph (XBT)
Image courtesy of NOAA Office of Ocean Exploration and Research, Tropical Exploration 2015. Download larger version (jpg, 893 KB).

Kate von Krusenstiern, an Explorer-in-Training from Bellingham, Washington, casting an expendable-bathy-thermograph (XBT) off the stern of the ship to measure the temperature of the water column.

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