Description: Here we present the dissolved organic matter (DOM) data of the sea surface microlayer (SML) and underlying water (ULW) during a multidisciplinary mesocosm study at the Sea sURface Facility (SURF) of the Institute for Chemistry and Biology of the Marine Environment (ICBM) in Wilhelmshaven, Germany (53.5148 °N, 8.1463 °E). The study was conducted from 18 May to 16 June 2023. Water samples were collected using a glass plate for the SML and a tube at a depth of 40 cm. DOM was extracted and desalinated by solid-phase extraction as described by Dittmar et al. (2008). The extracts were stored frozen in methanol until analysis. Aliquots were mixed with 50% ultrapure water (50:50 v/v) and diluted to a final carbon concentration of 2.5 ppm. DOM composition was analysed using a SolariX XR FT-ICR-MS (Bruker Daltonik GmbH, Bremen, Germany) with a 15 Tesla superconducting magnet and an electrospray ionisation source (ESI; Bruker Apollo II ion source) in negative ion mode. Data processing and molecular formula assignment were performed in ICBM-OCEAN, as described by Merder et al. (2020).
Global identifier:
Doi(
"10.1594/PANGAEA.995057",
)
DataMeasurements(
DataMeasurements {
domain: Unspecified,
station: None,
measured_variables: [
"Aromaticity index, modified",
"Carbon, number of atoms",
"Double bond equivalent",
"Hydrogen, number of atoms",
"Hydrogen/Carbon ratio",
"Mass-to-charge ratio",
"Molecular formula",
"Nitrogen, number of atoms",
"Oxygen, number of atoms",
"Oxygen/Carbon ratio",
"Oxygen/Hydrogen ratio",
"Peak intensity",
"Phosphorus, number of atoms",
"Presence/absence",
"Sulfur, number of atoms",
"Type of study",
],
methods: [
"Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS)",
],
},
)
Tags: Methanol ? Kohlenstoff ? Phosphor ? Stickstoff ? Wasserstoff ? Deutschland ? Marines Ökosystem ? U-Bahn ? Datenverarbeitung ? Meeresoberfläche ? Studie ? Wasserprobe ? Wasser ? Daten ? DOM ? FT-ICR-MS ? mesocosm study ? sea surface microlayer ?
Bounding boxes: 8.146221° .. 8.146221° x 53.514763° .. 53.514763°
License: Creative Commons Namensnennung 4.0 (Data access requires registration)
Language: Englisch/English
Modified: 2026-06-01
Last harvest: 11.06.2026 01:29
Time ranges: 2023-05-16 - 2023-06-16
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