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.

The MEOP data portal

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Content of the website

Publications 2020

[ocean] Biddle, L. C. and Swart, S., 2020. The observed seasonal cycle of submesoscale processes in the Antarctic marginal ice zone. Journal of Geophysical Research: Oceans, n/a:e2019JC015587.

[ocean] Haumann, F. A., Moorman, R., Riser, S. C., Smedsrud, L. H., Maksym, T., Wong, A. P. S., Wilson, E. A., Drucker, R., Talley, L. D., Johnson, K. S., Key, R. M., Sarmiento, J. L. (2020). Supercooled Southern Ocean waters. Geophysical Research Letters, 47, e2020GL090242.

[bio] Hückstädt, L.A., Piñones, A., Palacios, D.M., McDonald, B.I., Dinniman, M.S., Hofmann, E.E., Burns, J.M., Crocker, D.E., Costa, D.P., 2020. Projected shifts in the foraging habitat of crabeater seals along the Antarctic Peninsula. Nat. Clim. Chang. 10, 472–477.

[ocean] Keates, T. R., Kudela, R. M., Holser, R. R., Hückstädt, L. A., Simmons, S. E., and Costa, D. P., 2020. Chlorophyll fluorescence as measured in situ by animal-borne instruments in the northeastern Pacific Ocean. Journal of Marine Systems, 203:103265. doi: 10.1016/j.jmarsys.2019.103265

[bio] Photopoulou, T., Heerah, K., Pohle, J., Boehme, L., 2020. Sex-specific variation in the use of vertical habitat by a resident Antarctic top predator. Proceedings of the Royal Society B: Biological Sciences 287, 20201447.