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Carrasco, Ruben; Horstmann, Jochen; Gasparin, Florent; Llido, Jerome; Rousselot, Pierre; Pondaven, Ildut; Cravatte, Sophie (2026): Surface Drifter Data in the Equatorial Atlantic: Positions of Hereon Drifters deployed during PIRATA–ODYSEA experiment [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.990169

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Published: 2026-02-04 • DOI registered: 2026-03-05

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Abstract:
As part of its support for the preparation of future surface–current observation missions, CNES is funding the PIRATA–ODYSEA experiment, dedicated to studying ocean surface circulation in the equatorial Atlantic. Launched in March 2025 for several months, the campaign aims to bridge the gap between satellite observations—which target currents within the uppermost meter of the ocean—and the in-situ instruments typically used for calibration/validation (CAL/VAL), which operate at depths of several meters. The campaign also seeks to better characterize the diurnal variability of currents, a key source of aliasing for satellite measurements. The dataset comprises 40 Hereon Lagrangian surface drifters deployed along the equatorial line of the Atlantic Ocean.
Related to:
Horstmann, Jochen; Carrasco, Ruben; Calil, Paulo H R; Iudicone, Daniele; Pesant, Stephane; Erta, J M (2022): Drifter position data from the eastern coast of Brazil during the project Mission Microbiomes with the RV Tara [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.948261
Horstmann, Jochen; Navarro, Wendy; Carrasco, Ruben; Brandt, Peter; Hans, Anna Christina; Prigent, Arthur (2023): Surface Drifter Data of the Equatorial Atlantic: Positions of Lagrangian Hereon Drifters deployed in the Equatorial Atlantic during METEOR Cruise M181 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.955925
Further details:
Carrasco, Ruben; Horstmann, Jochen; Gasparin, Florent; Llido, Jerome; Rousselot, Pierre; Pondaven, Ildut; Cravatte, Sophie (2025): Surface Drifter Data in the Equatorial Atlantic: Positions of Hereon Drifters deployed during PIRATA–ODYSEA experiment. Helmholtz-Zentrum Hereon, Geesthacht, Germany Institut de Recherche pour le Développement, Toulouse, France, PIRATA_ODYSEA_Hereon_Drifter_dataset.pdf
Project(s):
Prediction and Research Moored Array in the Tropical Atlantic (PIRATA)
Coverage:
Median Latitude: 3.717421 * Median Longitude: -14.734659 * South-bound Latitude: -0.799480 * West-bound Longitude: -52.130680 * North-bound Latitude: 12.186780 * East-bound Longitude: 4.485400
Date/Time Start: 2025-03-07T03:15:04 * Date/Time End: 2025-10-23T18:11:36
Comment:
The PIRATA-ODYSEA experiment is funded by CNES as part of its support for future satellite missions measuring surface currents and follows earlier CNES-supported projects such as STREAM and COURANTS. It is complemented by instruments provided in 2023 by the INSU national oceanographic facility, as well as additional sensors funded by IRD and the LEFE/GMMC program and installed on the three equatorial PIRATA moorings.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
40 datasets

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Datasets listed in this publication series

  1. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_364. https://doi.org/10.1594/PANGAEA.990172
  2. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_365. https://doi.org/10.1594/PANGAEA.990175
  3. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_366. https://doi.org/10.1594/PANGAEA.990195
  4. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_367. https://doi.org/10.1594/PANGAEA.990192
  5. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_368. https://doi.org/10.1594/PANGAEA.990187
  6. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_369. https://doi.org/10.1594/PANGAEA.990177
  7. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_370. https://doi.org/10.1594/PANGAEA.990193
  8. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_371. https://doi.org/10.1594/PANGAEA.990178
  9. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_372. https://doi.org/10.1594/PANGAEA.990181
  10. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_373. https://doi.org/10.1594/PANGAEA.990211
  11. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_374. https://doi.org/10.1594/PANGAEA.990184
  12. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_375. https://doi.org/10.1594/PANGAEA.990208
  13. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_376. https://doi.org/10.1594/PANGAEA.990212
  14. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_377. https://doi.org/10.1594/PANGAEA.990186
  15. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_378. https://doi.org/10.1594/PANGAEA.990213
  16. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_379. https://doi.org/10.1594/PANGAEA.990197
  17. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_380. https://doi.org/10.1594/PANGAEA.990200
  18. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_381. https://doi.org/10.1594/PANGAEA.990202
  19. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_382. https://doi.org/10.1594/PANGAEA.990188
  20. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_383. https://doi.org/10.1594/PANGAEA.990205
  21. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_384. https://doi.org/10.1594/PANGAEA.990198
  22. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_385. https://doi.org/10.1594/PANGAEA.990196
  23. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_386. https://doi.org/10.1594/PANGAEA.990190
  24. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_387. https://doi.org/10.1594/PANGAEA.990206
  25. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_388. https://doi.org/10.1594/PANGAEA.990201
  26. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_389. https://doi.org/10.1594/PANGAEA.990203
  27. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_390. https://doi.org/10.1594/PANGAEA.990204
  28. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_391. https://doi.org/10.1594/PANGAEA.990180
  29. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_392. https://doi.org/10.1594/PANGAEA.990185
  30. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_393. https://doi.org/10.1594/PANGAEA.990191
  31. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_394. https://doi.org/10.1594/PANGAEA.990189
  32. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_395. https://doi.org/10.1594/PANGAEA.990210
  33. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_396. https://doi.org/10.1594/PANGAEA.990199
  34. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_397. https://doi.org/10.1594/PANGAEA.990182
  35. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_398. https://doi.org/10.1594/PANGAEA.990207
  36. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_399. https://doi.org/10.1594/PANGAEA.990183
  37. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_400. https://doi.org/10.1594/PANGAEA.990179
  38. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_401. https://doi.org/10.1594/PANGAEA.990194
  39. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_402. https://doi.org/10.1594/PANGAEA.990209
  40. Carrasco, R; Horstmann, J; Gasparin, F et al. (2026): Track of GPS-Drifter PIRATA-FR35_403. https://doi.org/10.1594/PANGAEA.990176