Cortés-Espinoza, Edgar Fernando; Wüst, Alisa; López-Puertas, Ander; Wurl, Oliver; Hernández-Ayón, José Martín; Waska, Hannelore; Ribas-Ribas, Mariana: Measurements of the marine carbon system from different approaches, discrete sampling and sensors during July 2023 in a Mesocosm Facility, Wilhelmshaven, Germany [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.995500 (dataset in review)
Abstract:
The file contains data from the Marine Carbon System. It gathered parameters from the inorganic carbon and incorporate the organic alkalinity as a main contributor to the sea surface microlayer (SML) compared to the Underlaying Water (ULW). Data was collected during Mesocosm Study from 18-May to 17-July 2024 in the Sea sURface Facility (SURF), Institute for Chemistry and Biology of the Marine Environment, Wilhelmshaven, Germany. Discrete samples to measure Dissolved Inorganic Carbon (DIC), Total Alkalinity (TA) and Organic Alkalinity (OA) were collected. For SML data, DIC, TA and OA was collected every third day following the glass‑plate technique (Harvey and Burzell, 1972). The ULW data, DIC, TA and OA were collected every day using a suction system to collect the sample from 0.4 m depth. Discrete samples were transported to the laboratory for further analysis; DIC was determined coulometrically (CM5017, UIC, IL, USA), and TA concentration was directly measured by high-precision closed-cell potentiometric titration (916 Ti-Touch, Metrohm, Switzerland). OA concentration was determined directly after TA was measured, using the same sample (from which all carbonate species had been purged), denoted as back titration. The dataset includes quality flags 0-4 with flags 1 and 2 are ready for use. See metadata for more information.
Keyword(s):
Related to:
Cortés-Espinoza, Edgar Fernando; Wüst, Alisa; López-Puertas, Ander; Wurl, Oliver; Hernández-Ayón, José Martín; Waska, Hannelore; Ribas-Ribas, Mariana (preprint): Organic Alkalinity modulates pH from the Sea-Surface Microlayer during a mesocosm study. https://doi.org/10.5194/egusphere-2025-5265
References:
Dickson, A G; Sabine, Christopher L; Christian, J R (2007): Guide to best practices for ocean CO2 measurement. North Pacific Marine Science Organization, https://doi.org/10.25607/OBP-1342
Further details:
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 451574234: FOR 5267 - Biogeochemical processes and Air-sea exchange in the Sea-Surface microlayer (BASS)
Coverage:
Latitude: 53.514763 * Longitude: 8.146221
Date/Time Start: 2023-05-16T03:57:00 * Date/Time End: 2023-06-16T13:02:00
Minimum DEPTH, water, experiment: 0.0 m * Maximum DEPTH, water, experiment: 0.4 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Type of study | Study type | Cortés-Espinoza, Edgar Fernando | |||
| 2 | Location | Location | Cortés-Espinoza, Edgar Fernando | Sampling place | ||
| 3 | Identification | ID | Cortés-Espinoza, Edgar Fernando | Glass plate (GP) sampling; Pumping system (PS) sampling | Layer ID: SML = Sea-surface Microlayer the upper most mm in the surface; ULW = Underlying Water at 0.4 m below the surface | |
| 4 | DEPTH, water, experiment | Depth water exp | m | Cortés-Espinoza, Edgar Fernando | Glass plate (GP) sampling; Pumping system (PS) sampling | Geocode |
| 5 | Sampling date/time, experiment | Date/time sampling exp | Cortés-Espinoza, Edgar Fernando | UTC | ||
| 6 | Carbon, inorganic, dissolved | DIC | µmol/kg | Cortés-Espinoza, Edgar Fernando | Coulometric titration, UIC, CM5017 | measured discrete sample |
| 7 | Quality flag, carbon, inorganic, dissolved | QF DIC | Cortés-Espinoza, Edgar Fernando | 0 = Unknown; 1 = Good data; 2 = Probably good data; 3 = Questionable data; 4 = Bad Data | ||
| 8 | Alkalinity, total | AT | µmol/kg | Wüst, Alisa | Potentiometric titration, Metrohm, 916 Ti-Touch | measured discrete sample |
| 9 | Quality flag, alkalinity, total | QF AT | Wüst, Alisa | 0 = Unknown; 1 = Good data; 2 = Probably good data; 3 = Questionable data; 4 = Bad Data | ||
| 10 | Alkalinity, organic | AT org | µmol/kg | Wüst, Alisa | Potentiometric titration, Metrohm, 916 Ti-Touch | measured discrete sample |
| 11 | Quality flag, alkalinity, organic | QF AT org | Wüst, Alisa | 0 = Unknown; 1 = Good data; 2 = Probably good data; 3 = Questionable data; 4 = Bad Data | ||
| 12 | Comment | Comment | Cortés-Espinoza, Edgar Fernando |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
751 data points