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Bercovici, Sarah; Osterholz, Helena; Wiemers, Maren; Noriega-Ortega, Beatriz E; Dittmar, Thorsten; Niggemann, Jutta (2023): Dissolved organic matter molecular composition data and supporting metadata for multiple oceanographic cruises with RV SONNE (SO254, SO245, SO248) and RV POLARSTERN (PS79), Bermuda Atlantic Time-series Study and Hawaii Ocean Time-series [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.962747

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Abstract:
This data includes the dissolved organic matter (DOM) molecular composition data obtained via Fourier-transform ion cyclotron resonance mass spectrometry and the accompanying metadata (cruise, station number, geographic coordinates, water depth, temperature, salinity and solid-phase extracted dissolved organic carbon concentrations (SPE-DOC)) for multiple oceanographic cruises (HOTS, BATS, SO254, SO245, SO248, ANT 28-II, ANT 28-IV, and 28-V). This data was analyzed in Bercovici et al., 2023 (https://doi.org/10.1029/2023GB007740). DOM composition data for the cruise SO245 was previously published in Osterholz et al., 2021 (https://doi.org/10.1016/j.marchem.2021.103955). In order to maximize comparability among data, we reanalyzed the same set of samples from SO245 on the FT-ICR-MS together with the samples from the other cruises and sites. SPE-DOC concentrations were determined on a Shimadzu TOC-VPCH total organic carbon analyzer. DOM composition was determined on a SolariX XR FT-ICR-MS (Bruker Daltonik GmbH, Bremen, Germany) equipped with a 15 Tesla superconducting magnet and an electrospray ionization source (ESI; Bruker Apollo II ion source). The metadata were compiled from the CTD bottle data of multiple cruises, some of which are available on PANGAEA at the following links: SO248: https://doi.org/10.1594/PANGAEA.864673, SO245: https://doi.org/10.1594/PANGAEA.890394, SO254: https://doi.org/10.1594/PANGAEA.890453.
Keyword(s):
Dissolved Organic Matter; Fourier-transform ion cyclotron mass spectrometry; Global Ocean; molecular composition
Supplement to:
Bercovici, Sarah; Dittmar, Thorsten; Niggemann, Jutta (in press): Processes in the surface ocean regulate dissolved organic matter distributions in the deep. Global Biogeochemical Cycles, e2023GB007740, https://doi.org/10.1029/2023GB007740
References:
Osterholz, Helena; Kilgour, David P A; Storey, Dominik Sebastian; Lavik, Gaute; Ferdelman, Timothy G; Niggemann, Jutta; Dittmar, Thorsten (2021): Accumulation of DOC in the South Pacific Subtropical Gyre from a molecular perspective. Marine Chemistry, 231, 103955, https://doi.org/10.1016/j.marchem.2021.103955
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 34509606: TRR 51: Ecology, Physiology and Molecular Biology of the Roseobacter Clade: Towards a Systems Biology Understanding of a Globally Important Clade of Marine Bacteria
Coverage:
Median Latitude: -8.943554 * Median Longitude: -178.880710 * South-bound Latitude: -70.509330 * West-bound Longitude: 7.098291 * North-bound Latitude: 58.900050 * East-bound Longitude: -8.195170
Date/Time Start: 2011-03-17T00:00:00 * Date/Time End: 2017-02-15T20:32:00
Comment:
The authors gratefully acknowledge Aron Stubbins, Natasha McDonald, and John Casey for collection of the HOTS and BATS samples.
Change history:
2023-11-28T13:17:26 – The authorship was extended to include: Helena Osterholz, Maren Wiemers and Beatriz e. Noriega-Ortega
Size:
2 datasets

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