PANGAEA_992434 Geochemistry of shoreline sites impacted by submarine groundwater discharge in Hel, Puck Bay, Poland, southern Baltic Sea 2009 and 2010 Böttcher, Michael Ernst; Ehlert von Ahn, Cátia Milene; Dellwig, Olaf; Struck, Ulrich; Gehre, Matthias; Escher, Peter; Vogler, Susann; Szymczycha, Beata; Kotwicki, Lech Geochemistry of shoreline sites impacted by submarine groundwater discharge in Hel, Puck Bay, Poland, southern Baltic Sea 2009 and 2010 2026-02-23 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.992434 Investigator Michael Ernst Böttcher michael.boettcher@io-warnemuende.de Earth Science Event label LATITUDE LONGITUDE DATE/TIME Type DEPTH, sediment/rock Salinity pH Hydrogen sulfide Calcium Sodium Potassium Magnesium Sulfur Silicon Phosphorus Iron Manganese Barium δ18O, porewater δ Deuterium, porewater δ13C, dissolved inorganic carbon Alkalinity, total δ13C, methane, porewater δ Deuterium, methane Ammonium Name geoscientificInformation coastal sand Hel Island PB_Site-Hel-02-10 PB_Site-Hel-03-10 PB_Site-Hel-05-10 PB_Site-Hel-09-09 PB_Site-Hel-10-10 PB_Site-Hel-11-09 porewater geochemistry Porewater lance Puck Bay Seasonality southern Baltic Sea stable isotope composition Submarine groundwater discharge CTD Ion selective electrode Spectrophotometry using methylene blue method according to Cline (1969) Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher ScientificScientific, iCAP 6300 Cavity ring-down spectroscopy (CRDS), isotopic water analyzer, Picarro Inc., L1102-i Isotope ratio mass spectrometer (IRMS), MAT; coupled with Gas bench Potentiometric titration Gas chromatography - isotope ratio mass spectrometry (GC-IRMS) QuAAtro AutoAnalyzer 2009-09-02 2010-10-05 Complete 54.604999999999826 54.604999999999826 18.8 18.8 -0.2 m (DEPTH, sediment/rock) 0.4 m (DEPTH, sediment/rock) unrestricted CC-BY-4.0: Creative Commons Attribution 4.0 International English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

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Bremen Bremen 28359 Germany online 2037 data points text/tab-separated-values 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

Pore waters were retrived from coastal sands of the southern coastline off Hel Island, Puck Bay, southern Baltic Sea. Multiport-porewater lances equipped with syringes were used to obtained vertical profiles in areas impacted by fresh submarine groundwater discharge and less impacted 'reference sites'. Samples were taken during 11 campaigns between September 2009 and October 2010. Pore waters were analyzed on-site for salinity and pH, and for major and trace elements, water isotopes (H,O) and the C isotope composition of dissolved inorganc carbon in the laboratory (via ICP-OES and gas mass spectrometry). Selected methane samples were analyzed via GCirmMS for the C and H isotope composition. It was the aim to investigate the fluxes and fresh water composition of submarine groundwater discharge and the seasonal dynamics. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.992434"!

http://en.wikipedia.org/wiki/ISO_6709 LATITUDE http://en.wikipedia.org/wiki/ISO_6709 LONGITUDE http://en.wikipedia.org/wiki/ISO_8601 DATE/TIME https://doi.org/10.1016/j.oceano.2024.01.001 Submarine groundwater discharge into a semi-enclosed coastal bay of the southern Baltic Sea: A multi-method approach https://en.wikipedia.org/wiki/Alkalinity Alkalinity, total https://en.wikipedia.org/wiki/Deuterium δ Deuterium, methane https://www.geonames.org/3087689 Puck Bay, Baltic Sea, Poland DIF 9.4 2026-02-23 2026-04-30