Baloza, Marwa; Maier, Sandra; Hanfland, Claudia; Henkel, Susann; Kasten, Sabine; Richter, Claudio; Holtappels, Moritz (2025): Pore-water geochemistry of surface sediments retrieved from the eastern continental shelf of the Antarctic Peninsula during RV POLARSTERN cruise PS111 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.987280 (DOI registration in progress), In: Baloza, M et al. (2025): Oxygen profiles and pore-water geochemistry of surface sediments collected from the southern Weddell Sea shelf [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.987276
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Published: 2025-12-03
Abstract:
During the PS111 research cruise with the German research vessel RV POLARSTERN (January 2018- March 2018), sediments were collected with a multicorer from 15 stations, i.e., four on the eastern Weddell Sea shelf at 387 to 663 m water depth, five in the Filchner Trough at 794 to 932 m water depth, and four along the western Weddell Sea shelf at 332 to 660 m water depth. Two deeper stations were located on the eastern Weddell Sea slope at 1405 and 1775 m water depth. Pore-water samples were taken at depth resolutions of 1 cm from 0-10 cm and below 10 cm with a resolution of 2 cm down to a maximum depth of 35 cm. Pore-water analyses of dissolved iron (DFe), manganese (DMn), sulfate (SO42-), and nutrients such as ammonium (NH4+), phosphate (PO43-), nitrate (NO3-), nitrite (NO2-), and silicate (SiO32−) were measured.
Keyword(s):
Funding:
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS111_00: Microplastics - A Potential Threat to the Remote and Pristine Ecosystems of the Antarctic Seas?
Coverage:
Median Latitude: -75.368186 * Median Longitude: -37.692035 * South-bound Latitude: -77.800000 * West-bound Longitude: -54.230000 * North-bound Latitude: -70.090000 * East-bound Longitude: -6.850000
Date/Time Start: 2018-01-28T00:00:00 * Date/Time End: 2018-03-01T00:00:00
Minimum DEPTH, sediment/rock: -1.0 m * Maximum DEPTH, sediment/rock: 35.0 m
Event(s):
PS111_13-2 * Latitude: -70.093685 * Longitude: -6.851511 * Date/Time: 2018-01-28T08:41:00 * Elevation: -1775.0 m * Location: Weddell Sea * Campaign: PS111 (ANT-XXXIII/2) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
PS111_15-1 * Latitude: -71.665307 * Longitude: -15.783627 * Date/Time: 2018-02-01T11:01:00 * Elevation: -1405.0 m * Location: Weddell Sea * Campaign: PS111 (ANT-XXXIII/2) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
PS111_27-1 * Latitude: -75.954881 * Longitude: -29.082264 * Date/Time: 2018-02-05T17:20:00 * Elevation: -425.0 m * Location: Weddell Sea * Campaign: PS111 (ANT-XXXIII/2) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Baloza, Marwa | |||
| 2 | LATITUDE | Latitude | Baloza, Marwa | Geocode | ||
| 3 | LONGITUDE | Longitude | Baloza, Marwa | Geocode | ||
| 4 | DATE/TIME | Date/Time | Baloza, Marwa | Geocode – Sampling date | ||
| 5 | Depth, bathymetric | Bathy depth | m | Baloza, Marwa | ||
| 6 | DEPTH, sediment/rock | Depth sed | m | Baloza, Marwa | Geocode | |
| 7 | Nitrate | [NO3]- | µmol/l | Baloza, Marwa | ||
| 8 | Silicate | Si(OH)4 | µmol/l | Baloza, Marwa | ||
| 9 | Phosphate | [PO4]3- | µmol/l | Baloza, Marwa | ||
| 10 | Ammonium | [NH4]+ | µmol/l | Baloza, Marwa | ||
| 11 | Iron, dissolved | Fe diss | µmol/l | Baloza, Marwa | ||
| 12 | Manganese, dissolved | Mn diss | µmol/l | Baloza, Marwa | ||
| 13 | Chloride | Cl- | mmol/l | Baloza, Marwa | ||
| 14 | Sulfate | [SO4]2- | mmol/l | Baloza, Marwa |
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:
1725 data points