Marine Mammals Exploring the Oceans Pole to Pole

When diving animals help us to observe the oceans

Over 800,000 vertical profiles of Temperature and Salinity have been collected since 2004 in the World Ocean by attaching tags on marine mammals, such as Southern elephant seals.

In this website, you will find information about the marine mammal tagging programs, and an access point to the publicly available databases.

Please let us know if you are using our data. You can contact us by mail to if you have any question.

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The MEOP-CTD database has been updated

Tuesday, 30 June 2015

The MEOP-CTD database has just been updated. It now contains more data, including the German and South African deployments. More than 330,000 profiles are now available.

In addition, a new data format is now available: the STD_ODV format is exactly like the ODV Spreadsheet format, except that CTD data are interpolated on standard depth levels !!

Please don’t hesitate to send us feedbacks on your use of the MEOP-CTD database !!

Fabien and the MEOP consortium