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Krahmann, Gerd; Mehrtens, Hela (eds.) (2021): SFB754 CTD data and additional sensors used on the CTDO system. PANGAEA, https://doi.org/10.1594/PANGAEA.926065

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Abstract:
CTDO measurements were acquired on the major research cruises performed as part of the SFB 754 or other projects . Seabird 911plus systems equipped with dual temperature-conductivity-oxygen sensors were employed. All systems had a 24-bottle water sampling rosette with 10 l Niskin bottles. On some cruises only 22 bottles were mounted to accommodate a lowered Acoustic Doppler Current Profiler for deep ocean current observations. Water sampling, processing, and calibration followed GO-SHIP recommendations (Swift, 2010; McTaggart et al., 2010; Uchida et al., 2010) and included the recommended steps Data Conversion, Sensor Time-Alignment, Creation of Bottle Files, Outlier Removal, Pressure Sensor Filtering, Conductivity Cell Thermal Mass Correction, Ship Roll Correction and Deck Offset Correction by Loop Editing, as well as Derivation of Calculated Properties. After these steps, conductivity and oxygen readings were calibrated against values determined with salinometry and Winkler titration , respectively. Finally, the downcast data was averaged over 1 dbar wide intervals. An independent upcast calibration was used to obtain calibrated CTDO values coincident with the discrete water samples.
Further details:
Funding:
German Science Foundation (DFG), grant/award no. 27542298: Climate - Biogeochemistry Interactions in the Tropical Ocean
Coverage:
Median Latitude: 0.128632 * Median Longitude: -46.228062 * South-bound Latitude: -28.000170 * West-bound Longitude: -88.001400 * North-bound Latitude: 28.695000 * East-bound Longitude: 1.005000
Date/Time Start: 2008-02-23T13:33:00 * Date/Time End: 3917-06-30T03:13:00
Size:
32 datasets

Datasets listed in this editorial publication

  1. Brandt, P; Krahmann, G (2019): Physical oceanography (CTD) during METEOR cruise M145. https://doi.org/10.1594/PANGAEA.904382
  2. Dengler, M; Krahmann, G (2019): Physical oceanography (CTD) during METEOR cruise M130. https://doi.org/10.1594/PANGAEA.904367
  3. Dengler, M; Krahmann, G (2019): Physical oceanography (CTD) during METEOR cruise M137. https://doi.org/10.1594/PANGAEA.902643
  4. Karstensen, J; Krahmann, G (2016): Physical oceanography during METEOR cruise M96. https://doi.org/10.1594/PANGAEA.860342
  5. Krahmann, G (2012): Physical oceanography during L'Atalante cruise ATA_IFMGEOMAR-4. https://doi.org/10.1594/PANGAEA.775387
  6. Krahmann, G (2012): Physical oceanography during Maria S. Merian cruise MSM08/1. https://doi.org/10.1594/PANGAEA.774702
  7. Krahmann, G (2012): Physical oceanography during Maria S. Merian cruise MSM10/1. https://doi.org/10.1594/PANGAEA.774713
  8. Krahmann, G (2012): Physical oceanography during METEOR cruise M77/1. https://doi.org/10.1594/PANGAEA.777978
  9. Krahmann, G (2012): Physical oceanography during METEOR cruise M77/3. https://doi.org/10.1594/PANGAEA.777255
  10. Krahmann, G (2012): Physical oceanography during METEOR cruise M77/4. https://doi.org/10.1594/PANGAEA.777907
  11. Krahmann, G (2014): Physical oceanography during Maria S. Merian cruise MSM22. https://doi.org/10.1594/PANGAEA.830253
  12. Krahmann, G (2014): Physical oceanography during METEOR cruise M80/1. https://doi.org/10.1594/PANGAEA.834424
  13. Krahmann, G (2014): Physical oceanography during METEOR cruise M80/2. https://doi.org/10.1594/PANGAEA.834442
  14. Krahmann, G (2014): Physical oceanography during METEOR cruise M83/1. https://doi.org/10.1594/PANGAEA.834459
  15. Krahmann, G (2014): Physical oceanography during METEOR cruise M90. https://doi.org/10.1594/PANGAEA.830245
  16. Krahmann, G (2015): Physical oceanography during METEOR cruise M93. https://doi.org/10.1594/PANGAEA.848017
  17. Krahmann, G (2016): Physical oceanography during METEOR cruise M92. https://doi.org/10.1594/PANGAEA.858070
  18. Krahmann, G (2016): Physical oceanography during METEOR cruise M97. https://doi.org/10.1594/PANGAEA.860344
  19. Krahmann, G (2016): Physical oceanography during METEOR cruise M105. https://doi.org/10.1594/PANGAEA.858255
  20. Krahmann, G (2016): Physical oceanography during METEOR cruise M106. https://doi.org/10.1594/PANGAEA.869361
  21. Krahmann, G (2016): Physical oceanography during METEOR cruise M116. https://doi.org/10.1594/PANGAEA.860481
  22. Krahmann, G (2016): Physical oceanography during METEOR cruise M119. https://doi.org/10.1594/PANGAEA.860484
  23. Krahmann, G (2018): Physical oceanography (CTD) during METEOR cruise M77/2. https://doi.org/10.1594/PANGAEA.887705
  24. Krahmann, G (2018): Physical oceanography (CTD) during METEOR cruise M138. https://doi.org/10.1594/PANGAEA.892575
  25. Krahmann, G; Bange, HW (2016): Physical oceanography during METEOR cruise M91. https://doi.org/10.1594/PANGAEA.858090
  26. Krahmann, G; Dengler, M (2019): Physical oceanography (CTD) during METEOR cruise M136. https://doi.org/10.1594/PANGAEA.904013
  27. Krahmann, G; Dengler, M; Thomsen, S (2016): Physical oceanography during METEOR cruise M107. https://doi.org/10.1594/PANGAEA.860480
  28. Krahmann, G; Fischer, T (2012): Physical oceanography during Maria S. Merian cruise MSM18/3. https://doi.org/10.1594/PANGAEA.783445
  29. Krahmann, G; Funk, A (2012): Physical oceanography during Maria S. Merian cruise MSM18/2. https://doi.org/10.1594/PANGAEA.783349
  30. Krahmann, G; Visbeck, M (2015): Physical oceanography during Maria S. Merian cruise MSM23. https://doi.org/10.1594/PANGAEA.842225
  31. Schmidtko, S; Visbeck, M; Krahmann, G (2019): Physical oceanography (CTD) during METEOR cruise M135. https://doi.org/10.1594/PANGAEA.904009
  32. Stramma, L; Krahmann, G (2016): Physical oceanography during SONNE cruise SO243. https://doi.org/10.1594/PANGAEA.861388