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Ehlert von Ahn, Cátia Milene; Szymczycha, Beata; Diak, Magdalena; Dellwig, Olaf; Schmiedinger, Iris; Böttcher, Michael Ernst (2025): Sediment geochemistry of coastal sites affected by submarine groundwater discharge along the Puck Bay, southern Baltic Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.981225, In: Ehlert von Ahn, CM et al. (2025): Geochemistry of coastal sites affected by submarine groundwater discharge along the Puck Bay, southern Baltic Sea [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.981211

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Published: 2025-04-24 • DOI registered: 2025-05-23

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Abstract:
This study aimed to characterize the composition of submarine groundwater discharge at the shoreline of the Puck Bay, southern Baltic Sea. Porewater was sampled at various depths down to 50 cm using push point lances with PE syringes and filtered (0.45 µM, disposable cellulose acetate filters) for analysis of for major and trace metals and selected nutrients by ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), dissolved ammonium (NH4+) by QuAAtro Analyzer System, total sulphide with a Specord 40 spectrophotometer (Analytik Jena), dissolved inorganic carbon (DIC) and δ13CDIC with an isotope gas mass spectrometer (MAT 253) coupled to a Gasbench II, and δ18OH2O, and δ2HH2O with a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I). For radium (Ra) isotopes, 5-10 liters of porewater were transferred into canisters without filtration using a peristaltic pump and filtered through a Mn fiber to extract the Ra. The Ra isotopes (224Ra, 223Ra) were measured within 3 and 10 days using radium delayed coincidence counters (RaDeCC). In addition, seepage meters were used to measure seepage water fluxes and to collect samples for the above-mentioned analyses. Sediment cores were taken, sliced at 2 to 4 cm resolution and analyzed for contents of total carbon, nitrogen, and sulphur using an Elemental Analyzer (Euro Vector EuroEA 3, 052), inorganic carbon using an Elemental Analyzer multi EA (Analytik Jena), and total mercury using a DMA-80 analyzer.
Keyword(s):
Baltic Sea; radium isotopes; stabe isotopes; submarine groundwate discharge
Related to:
Ehlert von Ahn, Cátia Milene; Dellwig, Olaf; Szymczycha, Beata; Kotwicki, Lech; Rooze, Jurjen; Endler, Rudolf; Escher, Peter; Schmiedinger, Iris; Sültenfuß, Jürgen; Diak, Magdalena; Gehre, Matthias; Struck, Ulrich; Vogler, Susan; Böttcher, Michael Ernst (2024): Submarine groundwater discharge into a semi-enclosed coastal bay of the southern Baltic Sea: A multi-method approach. Oceanologia, 66(1), 111-138, https://doi.org/10.1016/j.oceano.2024.01.001
Funding:
European Commission (EC), grant/award no. 730984: Association of European Marine Biological Laboratories Expanded
German Academic Exchange Service (DAAD), grant/award no. DAAD Doctoral program in Germany 2018/2019
German Research Foundation (DFG), grant/award no. 240942083: DFG Research Training Group Baltic TRANSCOAST
National Science Centre Poland (NCN), grant/award no. 2019/34/E/ST10/00217
Coverage:
Median Latitude: 54.683524 * Median Longitude: 18.565843 * South-bound Latitude: 54.605155 * West-bound Longitude: 18.407662 * North-bound Latitude: 54.778947 * East-bound Longitude: 18.800647
Date/Time Start: 2021-06-16T00:00:00 * Date/Time End: 2021-06-28T00:00:00
Minimum DEPTH, sediment/rock: 0.01 m * Maximum DEPTH, sediment/rock: 0.32 m
Event(s):
PB_Site-Chalupy  * Latitude: 54.668020 * Longitude: 18.466190 * Date/Time: 2021-06-17T00:00:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Pushpoint sampler and liner
PB_Site-Hel  * Latitude: 54.605160 * Longitude: 18.800650 * Date/Time: 2021-06-16T00:00:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Pushpoint sampler and liner
PB_Site-Oslonino  * Latitude: 54.761780 * Longitude: 18.407660 * Date/Time: 2021-06-28T00:00:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Pushpoint sampler and liner
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventBöttcher, Michael Ernst
2 LATITUDELatitudeBöttcher, Michael ErnstGeocode
3 LONGITUDELongitudeBöttcher, Michael ErnstGeocode
4 DATE/TIMEDate/TimeBöttcher, Michael ErnstGeocode
5 TypeTypeBöttcher, Michael Ernst
6 DEPTH, sediment/rockDepth sedmBöttcher, Michael ErnstGeocode
7 Nitrogen, totalTN%Böttcher, Michael ErnstElemental analyzer, EuroVector, EuroEA 3052% wt.
8 Carbon, totalTC%Böttcher, Michael ErnstElemental analyzer, EuroVector, EuroEA 3052% wt.
9 Sulfur, totalTS%Böttcher, Michael ErnstElemental analyzer, EuroVector, EuroEA 3052% wt.
10 Carbon, inorganic, totalTIC%Böttcher, Michael ErnstMacro-elemental Analyzer, Analytik Jena, multi EA 4000% wt.
11 MercuryHgµg/kgBöttcher, Michael ErnstAtomic absorption spectrometry (AAS), Direct Mercury Analyzer (DMA-80)
12 CommentCommentBöttcher, Michael ErnstOBS
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
352 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Latitude		3 
Longitude		4 
Date/Time		5 
Type		6 
Depth sed [m]		7 
TN [%]		8 
TC [%]		9 
TS [%]		10 
TIC [%]		11 
Hg [µg/kg]		12 
Comment
PB_Site-Hel 54.60518.8012021-06-16Sediment0.010.0-0.00.00.09.2Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.030.0-0.00.00.01.3Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.050.00.00.00.01.4Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.070.00.00.00.01.6Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.090.00.00.00.01.6Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.120.00.00.00.01.0Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.160.00.00.00.01.0Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.200.00.00.00.01.0Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.230.00.00.00.01.0Profile 1_SGD
PB_Site-Hel54.60518.8012021-06-16Sediment0.010.00.00.00.01.0Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.030.00.00.00.02.0Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.050.00.00.00.01.5Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.070.00.00.00.01.0Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.120.00.00.00.01.1Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.160.00.00.00.11.0Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.200.00.00.00.01.3Profile 2_reference
PB_Site-Hel54.60518.8012021-06-16Sediment0.230.0-0.00.00.01.2Profile 2_reference
PB_Site-Chalupy 54.66818.4662021-06-17Sediment0.010.00.00.00.03.3Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.030.00.10.00.13.3Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.050.00.00.00.05.4Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.070.00.00.00.02.2Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.120.00.00.00.02.1Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.160.00.00.00.09.2Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.200.0-0.00.00.02.2Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.240.0-0.00.00.02.1Profile 1_SGD
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.010.00.00.00.02.0Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.030.0-0.00.00.02.1Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.050.00.00.00.02.0Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.070.00.00.00.02.7Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.120.00.10.00.04.7Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.160.00.10.00.03.6Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.200.00.30.00.08.6Profile 2_reference
PB_Site-Chalupy54.66818.4662021-06-17Sediment0.240.00.00.00.02.4Profile 2_reference
PB_Site-Swarzewo 54.77918.4532021-06-18Sediment0.01Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.030.10.00.10.05.5Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.050.00.00.10.45.4Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.070.11.10.10.36.9Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.120.00.80.00.36.5Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.160.01.10.00.96.8Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.200.00.50.00.16.9Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.240.00.00.00.014.0Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.280.00.00.00.012.5Profile 1_SGD
PB_Site-Swarzewo54.77918.4532021-06-18Sediment0.320.00.00.00.011.6Profile 1_SGD
PB_Site-Oslonino 54.76218.4082021-06-28Sediment0.010.00.00.00.23.1Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.030.00.00.00.06.5Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.050.00.40.10.07.0Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.070.11.80.30.014.6Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.010.00.00.00.23.3Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.030.00.00.00.12.7Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.050.00.30.00.12.4Profile 2_reference
PB_Site-Oslonino54.76218.4082021-06-28Sediment0.070.00.40.00.24.0Profile 2_reference