Pérez-Rodríguez, Marta; Biester, Harald (2026): Size-fractionated particulate total mercury and monomethylmercury concentrations in the Southern Ocean during the PS133/1 expedition (22 October – 9 November 2022) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.987318
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Published: 2026-01-07 • DOI registered: 2026-01-07
Abstract:
Concentrations of particulate total mercury (Hg) and monomethylmercury (MMHg) were determined in size-fractionated suspended particles collected in the Southern Ocean between 22 October and 9 November 2022 during the PS133/1 expedition. Particles were collected using battery-powered in situ large-volume pumps (McLane Research Laboratories, Inc. and Challenger Oceanic's Stand-Alone Pumping System, SAPS) equipped with 142 mm diameter filter holders (MULVFS style; Bishop et al., 2012). Pumps were deployed at depths ranging from 25 to 350 m. Each filter holder contained two filters for size fractionation: a 51 μm Sefar Petex screen (SEFAR GmbH)—acid-leached prior to the cruise—mounted above a pre-combusted QMA filter (nominal pore size ~2.2 μm), separating particle size classes of 2.2–51 μm and >51 μm. Particulate total mercury was quantified by thermal decomposition, amalgamation, and atomic absorption spectrophotometry (TDA–AAS) using a DMA-EVO Direct Mercury Analyzer (Milestone). MMHg concentrations were determined by gas chromatography–cold vapor atomic fluorescence spectrometry (GC–CVAFS) using a Brooks Rand methylmercury analysis system following acid digestion. Data are reported both as mass-specific concentrations (ng g⁻¹ of suspended particulate matter) and as volume-normalized concentrations (pmol L⁻¹), corrected for the volume of water filtered.
Supplement to:
Biester, Harald Uwe; Pérez-Rodríguez, Marta; Calean, Adelina; Sindlev, Marco B; Pakhomov, Evgeny A; Lüskow, Florian; Stimac, Ingrid; Trimborn, Scarlett; Dufour, Aurélie; Torres-Rodriguez, Natalia; Heimbürger-Boavida, Lars-Eric; Wenzhöfer, Frank; Glud, Ronnie N (2026): Dissolved and Particulate Methylated Mercury in a Highly Productive Area of the Southern Ocean. Global Biogeochemical Cycles, 40(1), e2025GB008767, https://doi.org/10.1029/2025GB008767
References:
Bishop, James K B; Lam, Phoebe J; Wood, Todd J (2012): Getting good particles: Accurate sampling of particles by large volume in-situ filtration. Limnology and Oceanography-Methods, 10(9), 681-710, https://doi.org/10.4319/lom.2012.10.681
Project(s):
Funding:
Danish National Research Foundation (DG), grant/award no. DNRF145: Danish Center for Hadal Research, HADAL
German Research Foundation (DFG), grant/award no. 528941462: Controls of Primary Production on Southern Ocean Mercury Cycling (COPPSOM)
German Research Foundation (DFG), grant/award no. GPF 20-1_053: Island Impact: Understanding the Regional Impact of South Georgia on Southern ACC Biogeochemistry and Ecosystem Function
German Research Foundation (DFG), grant/award no. GPF 20-2_024: South Polar Carbon: Benthic Carbon Mineralization and Preservation in Southern Ocean Bathyal, Abyssal and Hadal Sediments
Coverage:
Median Latitude: -54.175900 * Median Longitude: -28.171426 * South-bound Latitude: -56.266660 * West-bound Longitude: -39.997970 * North-bound Latitude: -51.289140 * East-bound Longitude: -24.841270
Date/Time Start: 2022-10-22T15:51:21 * Date/Time End: 2022-11-09T11:26:24
Minimum DEPTH, water: 25 m * Maximum DEPTH, water: 350 m
Event(s):
PS133/1_6-15 * Latitude Start: -52.327150 * Longitude Start: -24.922770 * Latitude End: -52.327510 * Longitude End: -24.881250 * Date/Time Start: 2022-10-22T15:51:21 * Date/Time End: 2022-10-22T18:57:32 * Elevation Start: -3963.5 m * Elevation End: -4435.5 m * O2A Registry URI: https://registry.o2a-data.de/items/3173 * Campaign: PS133/1 (Island Impact) * Basis: Polarstern * Method/Device: In situ pump (ISP) * Comment: Deployment depth: 410 m
PS133/1_9-17 * Latitude Start: -51.289140 * Longitude Start: -39.997970 * Latitude End: -51.288850 * Longitude End: -40.000360 * Date/Time Start: 2022-11-03T07:17:43 * Date/Time End: 2022-11-03T10:57:18 * Elevation Start: -3789.3 m * Elevation End: -3785.1 m * O2A Registry URI: https://registry.o2a-data.de/items/3173 * Campaign: PS133/1 (Island Impact) * Basis: Polarstern * Method/Device: In situ pump (ISP) * Comment: Deployment depth: 400 m
PS133/1_15-2 * Latitude Start: -55.213330 * Longitude Start: -26.170210 * Latitude End: -55.215400 * Longitude End: -26.162500 * Date/Time Start: 2022-11-07T14:01:10 * Date/Time End: 2022-11-07T16:54:09 * Elevation Start: -7798.9 m * Elevation End: -7801.0 m * O2A Registry URI: https://registry.o2a-data.de/items/3173 * Campaign: PS133/1 (Island Impact) * Basis: Polarstern * Method/Device: In situ pump (ISP) * Comment: Deployment depth: 400 m
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Pérez-Rodríguez, Marta | |||
| 2 | DATE/TIME | Date/Time | Pérez-Rodríguez, Marta | Geocode | ||
| 3 | LATITUDE | Latitude | Pérez-Rodríguez, Marta | Geocode | ||
| 4 | LONGITUDE | Longitude | Pérez-Rodríguez, Marta | Geocode | ||
| 5 | DEPTH, water | Depth water | m | Pérez-Rodríguez, Marta | Geocode | |
| 6 | Mercury, particulate | Hg part | ng/g | Pérez-Rodríguez, Marta | Thermal decomposition amalgamation - atomic absorption spectrometer (TDA AAS), Milestone, DMA EVO | 2.2–51 µm |
| 7 | Monomethylmercury, particulate | MMHg part | ng/g | Pérez-Rodríguez, Marta | Gas chromatograph - cold vapor atomic fluorescence spectrometery (GC-CVAFS), Brooks Rand, Methylmercury Manual System | 2.2–51 µm |
| 8 | Mercury, particulate | Hg part | pmol/l | Pérez-Rodríguez, Marta | Thermal decomposition amalgamation - atomic absorption spectrometer (TDA AAS), Milestone, DMA EVO | 2.2–51 µm; per litre of water |
| 9 | Monomethylmercury, particulate | MMHg part | pmol/l | Pérez-Rodríguez, Marta | Gas chromatograph - cold vapor atomic fluorescence spectrometery (GC-CVAFS), Brooks Rand, Methylmercury Manual System | 2.2–51 µm; per litre of water |
| 10 | Mercury, particulate | Hg part | ng/g | Pérez-Rodríguez, Marta | Thermal decomposition amalgamation - atomic absorption spectrometer (TDA AAS), Milestone, DMA EVO | >51 µm |
| 11 | Monomethylmercury, particulate | MMHg part | ng/g | Pérez-Rodríguez, Marta | Gas chromatograph - cold vapor atomic fluorescence spectrometery (GC-CVAFS), Brooks Rand, Methylmercury Manual System | >51 µm |
| 12 | Mercury, particulate | Hg part | pmol/l | Pérez-Rodríguez, Marta | Thermal decomposition amalgamation - atomic absorption spectrometer (TDA AAS), Milestone, DMA EVO | >51 µm; per litre of water |
| 13 | Monomethylmercury, particulate | MMHg part | pmol/l | Pérez-Rodríguez, Marta | Gas chromatograph - cold vapor atomic fluorescence spectrometery (GC-CVAFS), Brooks Rand, Methylmercury Manual System | >51 µm; per litre of water |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
186 data points
Data
| 1 Event | 2 Date/Time | 3 Latitude | 4 Longitude | 5 Depth water [m] | 6 Hg part [ng/g] (2.2–51 µm, Thermal decomposit...) | 7 MMHg part [ng/g] (2.2–51 µm, Gas chromatograph ...) | 8 Hg part [pmol/l] (2.2–51 µm; per litre of water...) | 9 MMHg part [pmol/l] (2.2–51 µm; per litre of water...) | 10 Hg part [ng/g] (>51 µm, Thermal decomposition...) | 11 MMHg part [ng/g] (>51 µm, Gas chromatograph - c...) | 12 Hg part [pmol/l] (>51 µm; per litre of water, T...) | 13 MMHg part [pmol/l] (>51 µm; per litre of water, G...) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 25 | 32.04 | 3.380 | 0.123 | 0.012 | 31.92 | 8.720 | 0.025 | 0.007 |
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 50 | 34.46 | 4.970 | 0.131 | 0.018 | 48.00 | 14.310 | 0.036 | 0.011 |
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 75 | 15.11 | 0.670 | 10.20 | 0.240 | ||||
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 100 | 35.37 | 6.110 | 0.174 | 0.030 | 43.37 | 9.730 | 0.020 | 0.004 |
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 150 | 32.00 | 5.380 | 0.115 | 0.019 | 32.67 | 6.040 | 0.007 | 0.001 |
| PS133/1_6-15 | 2022-10-22T15:51:21 | -52.32715 | -24.92277 | 350 | 19.91 | 0.480 | 0.045 | 0.001 | ||||
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 25 | 41.91 | 2.960 | 0.136 | 0.009 | 101.58 | 8.110 | 0.066 | 0.005 |
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 50 | 43.65 | 1.635 | 0.174 | 0.006 | 67.58 | 50.340 | 0.041 | 0.030 |
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 75 | 21.97 | 0.380 | 0.070 | 0.001 | 34.78 | 12.165 | 0.011 | 0.004 |
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 100 | 36.29 | 5.415 | 0.557 | 0.074 | 18.89 | 3.750 | 0.019 | 0.004 |
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 150 | 25.30 | 0.405 | 9.33 | 0.730 | ||||
| PS133/1_9-17 | 2022-11-03T07:17:43 | -51.28914 | -39.99797 | 350 | 10.29 | 0.373 | 0.049 | 0.002 | ||||
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 25 | 55.94 | 10.000 | 0.135 | 0.024 | 21.46 | 5.200 | 0.005 | 0.001 |
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 50 | 45.24 | 2.110 | 0.210 | 0.010 | 19.10 | 1.610 | 0.004 | 0.000 |
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 75 | 24.57 | 1.080 | 23.64 | 1.140 | ||||
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 100 | 34.39 | 10.130 | 0.206 | 0.061 | 33.33 | 5.740 | 0.010 | 0.002 |
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 150 | 8.52 | 0.070 | ||||||
| PS133/1_15-2 | 2022-11-07T14:01:10 | -55.21333 | -26.17021 | 350 | 17.75 | 0.210 | 0.049 | 0.001 | ||||
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 25 | 37.35 | 7.260 | 0.126 | 0.024 | 45.44 | 2.320 | 0.008 | 0.000 |
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 50 | 6.68 | 3.490 | 0.195 | 0.101 | 29.84 | 0.860 | 0.039 | 0.001 |
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 75 | 21.53 | 4.310 | 27.26 | 0.630 | ||||
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 100 | 28.22 | 3.250 | 0.519 | 0.059 | ||||
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 150 | 11.32 | 0.250 | 0.239 | 0.005 | ||||
| PS133/1_16-2 | 2022-11-08T12:41:14 | -55.78322 | -24.84127 | 350 | 11.69 | 0.700 | 0.048 | 0.003 | ||||
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 25 | 49.18 | 8.590 | 0.118 | 0.018 | 35.50 | 17.590 | 0.005 | 0.002 |
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 50 | 38.94 | 11.130 | 0.137 | 0.034 | 18.57 | 1.525 | 0.004 | 0.000 |
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 75 | 28.06 | 1.030 | 0.263 | 0.011 | 10.00 | 0.390 | 0.009 | 0.000 |
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 100 | 40.70 | 1.210 | 0.122 | 0.004 | 20.93 | 2.310 | 0.005 | 0.001 |
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 150 | 6.85 | 0.090 | 0.088 | 0.001 | ||||
| PS133/1_17-4 | 2022-11-09T11:26:24 | -56.26666 | -24.92491 | 350 | 14.04 | 0.150 | 0.044 | 0.000 |