Oceanographic Investigations in the Tropical Atlantic (Cruise 52 of the Research Vessel “Akademik Boris Petrov”)

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Abstract

Information is presented on the work performed to study the flow of Antarctic Bottom Water along the entire length of the Vema Fracture Zone in the tropical part of the North Atlantic Ridge and Russian-Brazilian field studies in the largest river plume of the World Ocean, on the shelf of the northern part of Brazil near the mouth of the Amazon River. A total of 46 stations were completed in the Vema Fracture Zone and 28 stations offshore Brazil. The new expedition that took place was an important step in the development of international scientific cooperation between the BRICS countries: Russia and Brazil.

About the authors

E. G. Morozov

Shirshov Institute of Oceanology, Russian Academy of Sciences

Author for correspondence.
Email: egmorozov@mail.ru
Russia, Moscow

P. O. Zavialov

Shirshov Institute of Oceanology, Russian Academy of Sciences

Email: egmorozov@mail.ru
Russia, Moscow

D. I. Frey

Shirshov Institute of Oceanology, Russian Academy of Sciences

Email: egmorozov@mail.ru
Russia, Moscow

References

  1. Campos E.J.D., van Caspel M.C., Zenk W. et al. Warming trend in the abyssal flow through the Vema Channel in the South Atlantic // Geophysical Research Letters. 2021. V. 48 (19). P. e2021GL094709. https://doi.org/10.1029/2021GL094709
  2. Frey D.I., Morozov E.G., Fomin V.V. et al. Regional modeling of Antarctic Bottom Water flows in the key passages of the Atlantic // J. Geophys. Res.: Oceans. 2019. V. 124. P. 8414–8428. https://doi.org/10.1029/2019JC015315
  3. Jo Y.-H., Yan X.-H., Dzwonkowski B., Liu W.T. A study of the freshwater discharge from the Amazon River into the tropical Atlantic using multi-sensor data // Geophys. Res. Lett. 2005. V. 32. P. L02605. https://doi.org/10.1029/2004GL021840
  4. Morozov E.G., Frey D.I., Zuev O.A. et al. Hydraulically controlled bottom flow in the Orkney Passage // Water MDPI. 2022. V. 14 (19). P. 3088. https://doi.org/10.3390/w14193088
  5. Morozov E.G., Tarakanov R.Yu., Frey D.I. et al. Bottom water flows in the tropical fractures of the Northern Mid-Atlantic Ridge // J. Oceanography. 2018. V. 74 (2). P. 147–167. https://doi.org/10.1007/s10872-017-0445-x
  6. Tarakanov R.Y., Morozov E.G., van Haren H. et al. Structure of the deep spillway in the western part of the Romanche Fracture Zone // J. Geophys. Res.: Oceans. 2018. V. 123. P. 8508–8531. https://doi.org/10.1029/2018JC013961
  7. Varona H.L., Veleda D., Silva M. et al. Amazon River plume influence on Western Tropical Atlantic dynamic variability // Dynamics of Atmospheres and Oceans. 2019. V. 85. P. 1–15. https://doi.org/10.1016/j.dynatmoce.2018.10.002

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Copyright (c) 2023 Е.Г. Морозов, П.О. Завьялов, Д.И. Фрей

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