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Ehlert von Ahn, Cátia Milene; Szymczycha, Beata; Diak, Magdalena; Dellwig, Olaf; Schmiedinger, Iris; Böttcher, Michael Ernst (2025): Isotope hydrobiogeochemical composition of surface water in the inner part of Puck Bay, southern Baltic Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.981203

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Published: 2025-05-12 • DOI registered: 2025-06-10

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Abstract:
This investigation was conducted to evaluate diagenetic elemental fluxes and different freshwater sources, including submarine groundwater discharge, in the water column of Puck Bay (Poland), southern Baltic Sea. Surface water samples were taken in June 2021. Water was pumped through a filter cartridge (1 µM pore size) into barrels and then through manganese-coated acrylic fibers to extract radium (Ra) isotopes. The Ra isotopes (224Ra, 223Ra) were measured within 3 and 10 days using radium delayed coincidence counters (RaDeCC). Subsamples were taken via PE syringes and filtered (0.45 µM, cellulose disposable acetate filters) for analysis of dissolved concentrations of major and trace elements and selected nutrients using ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), dissolved ammonium (NH4+) by QuAAtro Analyzer System, dissolved inorganic carbon (DIC) and δ13CDIC using isotope gas mass spectrometry (MAT 253 coupled to a Gas bench II), and δ18OH2O, δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, PICARRO L2140- I).
Keyword(s):
Baltic Sea; radium isotopes; Stable isotope; 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 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: 54.728673 * Median Longitude: 18.476579 * South-bound Latitude: 54.665067 * West-bound Longitude: 18.416067 * North-bound Latitude: 54.772050 * East-bound Longitude: 18.565467
Date/Time Start: 2021-06-24T06:45:00 * Date/Time End: 2021-06-24T19:45:00
Minimum DEPTH, water: 0.5 m * Maximum DEPTH, water: 0.5 m
Event(s):
PB_Site-Ch01  * Latitude: 54.749380 * Longitude: 18.505300 * Date/Time: 2021-06-24T12:05:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Submersible pump; PE syringe
PB_Site-Ch02  * Latitude: 54.739480 * Longitude: 18.491320 * Date/Time: 2021-06-24T12:40:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Submersible pump; PE syringe
PB_Site-P01  * Latitude: 54.729030 * Longitude: 18.426000 * Date/Time: 2021-06-24T06:45:00 * Location: Puck Bay, Baltic Sea, Poland * Method/Device: Submersible pump; PE syringe
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventBöttcher, Michael Ernst
2 DATE/TIMEDate/TimeBöttcher, Michael ErnstGeocode
3 Station labelStationBöttcher, Michael Ernst
4 DEPTH, waterDepth watermBöttcher, Michael ErnstGeocode
5 LATITUDELatitudeBöttcher, Michael ErnstGeocode
6 LONGITUDELongitudeBöttcher, Michael ErnstGeocode
7 SalinitySalBöttcher, Michael ErnstDigital multi-parameter instrument, Hach Company, HQ40d
8 pHpHBöttcher, Michael ErnstDigital multi-parameter instrument, Hach Company, HQ40d
9 CalciumCammol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
10 SodiumNammol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
11 PotassiumKmmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
12 MagnesiumMgmmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
13 SulfurSmmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
14 SiliconSimmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
15 PhosphorusPµmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
16 IronFeµmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
17 ManganeseMnµmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
18 BariumBaµmol/lBöttcher, Michael ErnstICP-OES, Thermo Fisher iCAP 7400
19 Ammonium[NH4]+µmol/lBöttcher, Michael ErnstQuAAtro AutoAnalyzer
20 δ13C, dissolved inorganic carbonδ13C DIC‰ PDBBöttcher, Michael ErnstIsotope Ratio mass spectrometer, Thermo Fisher Scientific, ThermoScientific, MAT 253; coupled with Gasbench IIvs. VPDB
21 Carbon, inorganic, dissolvedDICmmol/lBöttcher, Michael ErnstIsotope Ratio mass spectrometer, Thermo Fisher Scientific, ThermoScientific, MAT 253; coupled with Gasbench II
22 δ18O, waterδ18O H2O‰ SMOWBöttcher, Michael ErnstCavity ring-down spectroscopy (CRDS), isotopic water analyzer, Picarro Inc., L2140-ivs. VSMOW
23 δ Deuterium, waterδD H2O‰ SMOWBöttcher, Michael ErnstCavity ring-down spectroscopy (CRDS), isotopic water analyzer, Picarro Inc., L2140-ivs. VSMOW
24 Radium-224224Radpm/100 lBöttcher, Michael ErnstRadium Delayed Coincidence Counter (RaDeCC)
25 Radium-223223Radpm/100 lBöttcher, Michael ErnstRadium Delayed Coincidence Counter (RaDeCC)
26 Radium-224 excess224Ra xsdpm/100 lBöttcher, Michael ErnstRadium Delayed Coincidence Counter (RaDeCC)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
364 data points

Data

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

1 
Event		2 
Date/Time		3 
Station		4 
Depth water [m]		5 
Latitude		6 
Longitude		7 
Sal		8 
pH		9 
Ca [mmol/l]		10 
Na [mmol/l]		11 
K [mmol/l]		12 
Mg [mmol/l]		13 
S [mmol/l]		14 
Si [mmol/l]		15 
P [µmol/l]		16 
Fe [µmol/l]		17 
Mn [µmol/l]		18 
Ba [µmol/l]		19 
[NH4]+ [µmol/l]		20 
δ13C DIC [‰ PDB]		21 
DIC [mmol/l]		22 
δ18O H2O [‰ SMOW]		23 
δD H2O [‰ SMOW]		24 
224Ra [dpm/100 l]		25 
223Ra [dpm/100 l]		26 
224Ra xs [dpm/100 l]
PB_Site-P01 2021-06-24T06:45P010.554.72918.4266.87.92.376.01.88.86.00.00.40.10.00.20.0-1.82.0-6.4-48.79.70.79.2
PB_Site-P02 2021-06-24T07:15P020.554.73518.4376.88.42.891.82.210.96.20.00.60.10.00.20.0-1.32.0-6.2-48.07.80.86.9
PB_Site-SW04 2021-06-24T08:00SW040.554.74018.4587.28.42.689.92.110.26.60.01.00.10.00.20.0-0.41.8-6.1-47.19.20.78.6
PB_Site-SW03 2021-06-24T08:30SW030.554.74618.4457.18.42.686.92.110.36.20.00.70.10.00.20.0-0.61.8-6.1-47.114.20.713.5
PB_Site-SW02 2021-06-24T09:00SW020.554.75118.4327.18.42.477.61.99.36.50.00.40.10.00.20.0-0.61.8-6.0-46.88.80.77.8
PB_Site-SW01 2021-06-24T09:45SW010.554.75518.4167.28.52.790.72.210.86.30.00.60.10.00.20.00.31.8-5.9-46.410.20.79.6
PB_Site-W02 2021-06-24T10:30W020.554.76418.4357.28.62.893.52.211.06.30.00.60.00.00.20.00.51.7-5.9-46.38.70.67.9
PB_Site-W01 2021-06-24T11:00W010.554.77218.4447.38.82.791.92.210.76.60.00.50.10.10.20.00.41.79.80.89.4
PB_Site-Ch01 2021-06-24T12:05Ch010.554.74918.5057.38.72.485.41.99.56.50.00.90.10.10.20.00.61.714.11.113.5
PB_Site-Ch02 2021-06-24T12:40Ch020.554.73918.4917.28.42.996.42.311.36.50.01.00.10.00.20.00.21.8-6.0-46.78.50.89.2
PB_Site-R201 2021-06-24T13:15Ch030.554.72718.4757.28.50.00.01.9-6.0-46.89.10.68.8
PB_Site-R2012021-06-24T13:50R2010.554.73018.4956.98.32.788.22.110.56.20.00.30.40.00.20.7-1.02.0-6.2-48.110.70.610.4
PB_Site-TR05 2021-06-24T14:40TR050.554.71218.5357.28.52.790.72.210.96.50.00.40.00.00.20.00.81.7-6.0-46.813.11.012.3
PB_Site-TR06 2021-06-24T15:10TR060.554.72118.5507.28.32.897.52.210.96.50.00.50.50.00.20.0-0.51.9-6.1-47.213.30.912.3
PB_Site-TR07 2021-06-24T15:50TR070.554.72918.5657.18.32.790.02.110.76.30.04.30.10.00.20.0-0.41.9-6.0-47.013.81.012.6
PB_Site-TR03 2021-06-24T18:50TR 030.554.67818.5007.08.22.685.42.010.26.20.00.40.40.00.20.0-0.71.9-6.2-48.17.30.66.0
PB_Site-TR02 2021-06-24T19:15TR 020.554.67218.4896.98.22.788.72.110.76.10.00.50.10.00.20.0-0.51.9-6.4-48.77.20.56.4
PB_Site-TR01 2021-06-24T19:45TR 010.554.66518.4786.98.23.094.72.311.56.20.00.80.00.00.20.0-0.91.9-6.3-48.59.00.58.3