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@ARTICLE{Davidson:1050689,
      author       = {Davidson, Chen and Angert, Alon and Avidani, Yasmin and
                      Lennartz, Sinikka T. and Hobe, Marc von and Amrani, Alon},
      title        = {{S}ources of marine carbonyl sulfide and its precursors
                      traced by sulfur isotopes},
      journal      = {Limnology and oceanography},
      volume       = {70},
      number       = {11},
      issn         = {0024-3590},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2026-00440},
      pages        = {3172-3185},
      year         = {2025},
      abstract     = {Carbonyl sulfide (OCS) is a major precursor of
                      stratospheric sulfate aerosols and a proxy for terrestrial
                      photosynthesis. In recent years, sulfur-isotope measurements
                      (δ34S) of OCS emerged as an approach to constrain the OCS
                      budget. Yet, such measurements are still scarce for aquatic
                      OCS. Here we present a large dataset of δ34S values of
                      marine OCS. In addition, we present δ34S values of marine
                      carbon disulfide (CS2) and dimethyl sulfide (DMS), which in
                      the air, act as important precursors of tropospheric OCS.
                      Samples were collected at the Atlantic Ocean, the Red Sea,
                      the Mediterranean Sea, the Wadden Sea, and the North Sea.
                      The gases were sampled by a water–air equilibrator,
                      preserved in canisters, and analyzed via a preconcentration
                      system coupled to a gas chromatograph connected to a
                      multi-collector inductively coupled plasma mass
                      spectrometer. We found δ34S values of −3.8‰ to 19.4‰
                      for OCS, −10.5‰ to 20‰ for CS2, and 14–23‰ for
                      DMS. These δ34S values are controlled mainly by two
                      endmembers: production in the water column and production in
                      sediments. Lab experiments suggest that the
                      34S-fractionation of OCS photo-production is
                      0.8‰ ± 0.5‰. In addition, based on measurements
                      from the Atlantic Ocean, we calculated the 34S-fractionation
                      of OCS dark-production as −6‰ ± 2‰. This new data
                      significantly improves our knowledge of the sulfur isotope
                      distribution of marine OCS and helps identify its different
                      sources, sinks, and production pathways.},
      cin          = {ICE-4},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)ICE-4-20101013},
      pnm          = {2112 - Climate Feedbacks (POF4-211)},
      pid          = {G:(DE-HGF)POF4-2112},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1002/lno.70196},
      url          = {https://juser.fz-juelich.de/record/1050689},
}