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Quack, Birgit [Author]; Auganaes, Sigrid [Author]; Bösch, Tim [Author]; Booge, Dennis [Author]; Brockmann, Inga [Author]; Brown, Lucy [Author]; Cardoso, Claudio [Author]; Diogoul, Ndague [Author]; Hepach, Helmke [Author]; Hieronymi, Martin [Author]; Ingeniero, Riel Carlo O [Author]; Latsch, Miriam [Author]; Offin, Alice [Author]; Potin, Philippe [Author]; Qelaj, Kastriot [Author]; Rosa, Alexandra [Author]; Reis, Jesus [Author]; Röttgers, Rüdiger [Author]; Scheidemann, Lindsay [Author]; Schulz, Gesa [Author]; Sulaiman, Hanif [Author]; Wunderlich, Greta [Author]; Xu, Peihang [Author]; Zehender, Isabella [Author]

Pan-Atlantic connectivity of marine biogeochemical and ecological processes and the impact of anthropogenic pressures, SO287, 11.12.2021 - 11.01.2022, Las Palmas (Spain) - Guayaquil (Ecuador)

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  • Media type: Report; E-Book
  • Title: Pan-Atlantic connectivity of marine biogeochemical and ecological processes and the impact of anthropogenic pressures, SO287, 11.12.2021 - 11.01.2022, Las Palmas (Spain) - Guayaquil (Ecuador)
  • Contributor: Quack, Birgit [Author]; Auganaes, Sigrid [Author]; Bösch, Tim [Author]; Booge, Dennis [Author]; Brockmann, Inga [Author]; Brown, Lucy [Author]; Cardoso, Claudio [Author]; Diogoul, Ndague [Author]; Hepach, Helmke [Author]; Hieronymi, Martin [Author]; Ingeniero, Riel Carlo O [Author]; Latsch, Miriam [Author]; Offin, Alice [Author]; Potin, Philippe [Author]; Qelaj, Kastriot [Author]; Rosa, Alexandra [Author]; Reis, Jesus [Author]; Röttgers, Rüdiger [Author]; Scheidemann, Lindsay [Author]; Schulz, Gesa [Author]; Sulaiman, Hanif [Author]; Wunderlich, Greta [Author]; Xu, Peihang [Author]; Zehender, Isabella [Author]
  • Published: Gutachterpanel Forschungsschiffe, 2022
  • Extent: text
  • Language: English
  • DOI: https://doi.org/10.48433/cr_so287
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: The transit of RV SONNE from Las Palmas (departure: 11.12.2021) to Guayaquil, Ecuador (arrival: 11.01.2022) is directly related to the international collaborative project SO287-CONNECT of GEOMAR in cooperation with Hereon and the University of Bremen, supported by the German Federal Ministry of Education and Research (BMBF) between October 15 2021 and January 15 2024. The research expedition was conducted to decipher the coupling of biogeochemical and ecological processes and their influence on atmospheric chemistry along the transport pathway of water from the upwelling zones off Africa into the Sargasso Sea and further to the Caribbean and the equatorial Pacific. Nutrient-rich water rises from the deep and promotes the growth of plant and animal microorganisms, and fish at the ocean surface off West Africa. The North Equatorial Current water carries the water from the upwelling, which contains large amounts of organic material across the Atlantic to the Caribbean, supporting bacterial activity along the way. But how the nutritious remnants of algae and other substances are processed on their long journey, biochemically transformed, decomposed into nutrients and respired to carbon dioxide, has so far only been partially investigated. Air, seawater and particles were sampled in order to provide new details about the large cycles of carbon and nitrogen, but also of many other elements such as oxygen, iodine, bromine and sulfur. Inorganic and organic bromine and iodine compounds are generally emitted naturally from the ocean into the atmosphere, promote cloud formation and affect climate, and some even reach the stratosphere where they contribute to ozone depletion. We measured how much of these compounds are released from the ocean, and at what locations and how they are transformed in the ocean and in the atmosphere. Sargassum algae, which have become a nuisance on beaches in the western and eastern Atlantic, support life and contribute to carbon cycling in the middle of the Atlantic, the Sargasso Sea and in the ...
  • Access State: Open Access