IMOS - Ships of Opportunity – Expendable Bathythermographs - Upper Ocean Thermal Data collected in the Southern Ocean

This dataset contains temperature data obtained from XBTs (expendable bathythermographs) deployed by vessels during different cruises in the Southern Ocean.

Expendable Bathythermographs (XBTs) have been used for many years by oceanographers to measure the temperature of the upper ocean. These instruments are simple devices which are designed to be deployed from moving vessels, enabling broad scale coverage of the world's oceans.

Data and resources

Data available via the IMOS OPeNDAP server

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Website of the Integrated Marine Observing System (IMOS)

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Website of the Australian Ocean Data Network (AODN)

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License Graphic

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Additional information

Temporal extent	1978-12-26 – ongoing
Date (creation)	2011-09-28
Status	onGoing
Update frequency	asNeeded
Metadata language	en
License	Data, products and services from IMOS are provided "as is" without any warranty as to fitness for a particular purpose.
Source metadata	ISO 19115 XML
Last updated	2026-11-05
Created	2026-11-05
API	package_show