scholarly journals A geophysical, geochemical and microbiological study of a newly discovered pockmark with active gas seepage and submarine groundwater discharge (MET1-BH, central Gulf of Gdańsk, southern Baltic Sea)

2020 ◽  
Vol 742 ◽  
pp. 140306 ◽  
Author(s):  
Jakub Idczak ◽  
Aleksandra Brodecka-Goluch ◽  
Katarzyna Łukawska-Matuszewska ◽  
Bożena Graca ◽  
Natalia Gorska ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Submarine Groundwater Discharge ◽  
Groundwater Discharge ◽  
Gulf Of Gdańsk ◽  
Microbiological Study ◽  
Southern Baltic Sea ◽  
Gas Seepage ◽  
Submarine Groundwater ◽  
Gulf Of Gdansk ◽  
Southern Baltic

scholarly journals Deep submarine groundwater discharge indicated by pore water chloride anomalies in the Gulf of Gdańsk, southern Baltic Sea

2018 ◽  
Vol 54 ◽  
pp. 00035 ◽  
Author(s):  
Beata Szymczycha ◽  
Żaneta Kłostowska ◽  
Karol Kuliński ◽  
Aleksandra Winogradow ◽  
Jaromir Jakacki ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Pore Water ◽  
Submarine Groundwater Discharge ◽  
Groundwater Discharge ◽  
Gulf Of Gdańsk ◽  
Southern Baltic Sea ◽  
Submarine Groundwater ◽  
Gulf Of Gdansk ◽  
Southern Baltic

scholarly journals Submarine Groundwater Discharge into Wismar Bay, Southern Baltic Sea: A Multi-Tracer Approach

2020 ◽  
Author(s):  
Catia Milene Ehlert von Ahn ◽  
Jan Scholten ◽  
Iris Schmiedinger ◽  
Michael E. Böttcher
Keyword(s):  
Baltic Sea ◽  
Submarine Groundwater Discharge ◽  
Groundwater Discharge ◽  
Southern Baltic Sea ◽  
Submarine Groundwater ◽  
Southern Baltic

scholarly journals Significance of nutrient fluxes via submarine groundwater discharge in the Bay of Puck, southern Baltic Sea

Oceanologia ◽  
2020 ◽  
Vol 62 (2) ◽  
pp. 117-125 ◽  
Author(s):  
Beata Szymczycha ◽  
Żaneta Kłostowska ◽  
Monika Lengier ◽  
Lidia Dzierzbicka-Głowacka
Keyword(s):  
Baltic Sea ◽  
Submarine Groundwater Discharge ◽  
Groundwater Discharge ◽  
Nutrient Fluxes ◽  
Southern Baltic Sea ◽  
Submarine Groundwater ◽  
Southern Baltic

A multi-tracer study of submarine groundwater discharge into Wismar Bay, southern Baltic Sea

2020 ◽  
Author(s):  
Catia Milene Ehlert von Ahn ◽  
Jan Scholten ◽  
Iris Schmiedinger ◽  
Bo Liu ◽  
Michael Böttcher
Keyword(s):  
Baltic Sea ◽  
Pore Water ◽  
Surface Waters ◽  
Submarine Groundwater Discharge ◽  
Isotope Composition ◽  
Groundwater Discharge ◽  
Pore Waters ◽  
Southern Baltic Sea ◽  
Submarine Groundwater ◽  
Southern Baltic

<p>Submarine groundwater discharge (SGD) is considered as an important route for water and dissolved material exchange between land and coastal seas. Both freshwater and (recirculated) seawater are referred to as SGD and may impact the composition and biogeochemical processes in coastal waters. The present study focuses on the identification and the spatial variability of SGD into the Wismar Bay, in the southern Baltic Sea. On across-shore transects covering Wismar Bay waters were sampled for analysis of Radium (Ra) isotopes, stable isotopes (H, O, C, S), dissolved inorganic carbon (DIC), nutrients and major cations. In addition, sediment cores were retrieved from several stations. The detection of short-living radium isotopes (<sup>223</sup>Ra and<sup>224</sup>Ra) in surface waters of the bay indicate benthic-pelagic coupling via pore water exchange with the water column that may be an indication for SGD. Moreover, enhanced concentration of dissolved manganese and barium, resulted from anoxic pore waters, were found in areas with higher Ra activity. Pore water profiles of salinity and major ions highlight the presence of freshwater about 50 cmbsf in sediments in the central part of the bay, probably related to the presence of a coastal aquifer. In contrast, other sediments demonstrate relatively constant pore water salinity distribution with increasing depth. Slight salinity maxima in almost all core at around 6 to 12 cmbsf seems to be relict from changing bottom water salinity in the past. The water isotope composition (δ<sup>18</sup>O, δ<sup>2</sup>H) of the low saline pore water is plot close to the local meteoric water line established for Warnemünde. Saline pore waters, in contrast, have water isotope composition aligned with southern Baltic Sea surface waters. The DIC concentrations increased with depths suggesting the mineralization of organic matter within the 50 cm sediments depth at all sides. Moreover, the values of DIC even exceeding the concentration found on the percolating fresh ground water. Thus, the overall contribution of elements to the coastal ecosystem is a function of the transport processes regulating element flux across the sediment-water interface.</p><p>The investigation is supported by the DFG research training school Baltic TRANSCOAST, DAAD, and Leibniz IOW.</p>

Holocene diatom biostratigraphy of the SW Gulf of Gdańsk, Southern Baltic Sea (part III)

2008 ◽  
Vol 37 (4) ◽  
Author(s):  
Małgorzata Leśniewska ◽  
Małgorzata Witak
Keyword(s):  
Baltic Sea ◽  
The South ◽  
Gulf Of Gdańsk ◽  
The Baltic Sea ◽  
Southern Baltic Sea ◽  
Gulf Of Gdansk ◽  
Southern Baltic ◽  
The Baltic ◽  
Palaeoenvironmental Changes

Holocene diatom biostratigraphy of the SW Gulf of Gdańsk, Southern Baltic Sea (part III)The palaeoenvironmental changes of the south-western part of the Gulf of Gdańsk during the last 8,000 years, with reference to the stages of the Baltic Sea, were reconstructed. Diatom analyses of two cores taken from the shallower and deeper parts of the basin enabled the conclusion to be drawn that the microflora studied developed in the three Baltic phases: Mastogloia, Littorina and Post-Littorina. Moreover, the so-called anthropogenic assemblage was observed in subbottom sediments of the study area.

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