Nutrient fluxes via submarine groundwater discharge to the Bay of Puck, southern Baltic Sea

Szymczycha, Beata; Vogler, S.; Pempkowiak, Janusz

doi:10.1016/j.scitotenv.2012.08.058

Cited by 67 publications

(52 citation statements)

References 26 publications

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“…The main study area (9,200 m 2 ) was located off the Hel Peninsula (Szymczycha et al, 2012). The narrow, sandy peninsula is mostly recent alluvial deposits and the littoral zone consists of Holocene sediments 10 to 100 m thick (Korzeniewski, 1993).…”

Section: The Bay Of Puckmentioning

confidence: 99%

“…Samples were collected by means of drive-point piezometers with internal Teflon tubing. A detailed survey focused on nearshore waters of the Bay of Puck was carried out in August 2009 to identify groundwater discharge sites (Szymczycha et al, 2012). Two detailed transects running perpendicular to the shoreline were sampled in other sites in July 2013 and June 2014.…”

Section: Sample Collectionmentioning

confidence: 99%

“…From those two equations, knowing SS, SG, SSW, VS, we solve for the two unknown values VG, VSW. The required variables are experimentally measured using a seepage meter Seepage meters consisted of a polyethylene (PE) chamber (surface: 0.785 m 2 ) with one end open, while the other end had a sample port with PTE collector Szymczycha et al,2012). Groundwater seeping through the sediment passed up into a PTE collector.…”

Section: Sample Collectionmentioning

confidence: 99%

“…The depth of the sediment pore water layer where the mixing zone occurs can vary and depends on several factors such as seepage intensity, the granulometric properties of sediments, water depth, sea bottom relief and wave action. In our study, depths of the mixing zones occurred in the range of 10 cm to 15 cm below sediment-water interface (Szymczycha et al, 2012). The pore water salinity was used to identify the origin of pore water.…”

Section: Salinity Orp Ph and Doc Concentrationsmentioning

confidence: 99%

“…Estimates of groundwater discharge to the Baltic Sea compared is around or above 1% of total run-off (Peltonen, 2002). However, locally, as in the Bay of Puck and other coastal areas, the contributions of chemical substances via groundwater are significant (Szymczycha et al, 2012;Szymczycha et al, 2014).…”

Section: Trace Metals Concentrations In Groundwater Seepage Water Anmentioning

confidence: 99%

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Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Szymczycha

Kroeger²,

Pempkowiak

2016

Marine Pollution Bulletin

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Fluxes of dissolved trace metals (Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) via groundwater discharge along the southern Baltic Sea have been assessed for the first time. Dissolved metal concentrations in groundwater samples were less variable than in seawater and were generally one or two orders of magnitude higher: Cd (2.1-2.8 nmolL −1 ), Co (8.70-8.76 nmolL −1 ), Cr (18.1-18.5 nmolL −1 ), Mn (2.4-2.8 µmolL −1 ), Pb (1.2-1.5 nmolL −1 ), Zn (33.1-34.0 nmolL −1 ). Concentrations of Cu (0.5-0.8 nmolL −1 ) and Ni (4.9-5.8 nmolL −1 ) were, respectively, 32 and 4 times lower, than in seawater. Groundwater-derived trace metal fluxes constitute 93% for Cd, 80% for Co, 91% for Cr, 6% for Cu, 66% for Mn, 4% for Ni, 70% for Pb and 93% for Zn of the total freshwater trace metal flux to the Bay of Puck. Groundwater-seawater mixing, redox conditions and Mn-cycling are the main processes responsible for trace metal distribution in groundwater discharge sites.

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Section: The Bay Of Puckmentioning

confidence: 99%

Section: Sample Collectionmentioning

confidence: 99%

Section: Sample Collectionmentioning

confidence: 99%

Section: Salinity Orp Ph and Doc Concentrationsmentioning

confidence: 99%

Section: Trace Metals Concentrations In Groundwater Seepage Water Anmentioning

confidence: 99%

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Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Szymczycha

Kroeger²,

Pempkowiak

2016

Marine Pollution Bulletin

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Submarine Groundwater‐Borne Nutrients in a Tropical Bay (Maowei Sea, China) and Their Impacts on the Oyster Aquaculture

Chen

Lao

Wang

et al. 2018

Geochem Geophys Geosyst

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Submarine groundwater discharge (SGD) has been recognized as an important pathway for nutrients into estuaries, coasts, and the adjacent seas. In this study, 222Rn was used to estimate the SGD‐associated nutrient fluxes into an aquaculture area in a typical tropical bay (Maowei Sea, China). The SGD into the Maowei Sea during June 2016 was estimated to be 0.36 ± 0.33 m d−1 and was associated with SGD‐derived dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP), and dissolved silicon (DSi) fluxes (mol d−1) of (4.5 ± 5.5) × 106, (5.3 ± 9.1) × 104, and (9.4 ± 9.3) × 106, respectively. The SGD‐derived nutrients (i.e., DIN, DIP, and DSi) were more than 1.9, 0.9, and 3.6 times the amounts in the local river input and served as dominant sources in the nutrient budgets in the Maowei Sea. Moreover, the N/P ratios in the SGD around the Maowei Sea were high (mean: 64), and these ratios likely exceeded the environmental self‐purification capacity, thereby enhancing the biomass and changing the phytoplankton community structure. Therefore, SGD processes with derived nutrients may affect the biogeochemical cycles and marine ecological environment in the Maowei Sea. Furthermore, the N/P ratios (∼67) in oysters are very close to those in the SGD in the Maowei Sea; this coincidence suggests that the high N/P ratios in the SGD are likely to be one of the most important sources that support oyster aquaculture, which might weaken the burden of water eutrophication in the Maowei Sea.

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Coastal–Groundwater Interfaces (Submarine Groundwater Discharge)

Böttcher,

Mallast,

Massmann

et al. 2024

Ecohydrological Interfaces

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Nutrient fluxes via submarine groundwater discharge to the Bay of Puck, southern Baltic Sea

Cited by 67 publications

References 26 publications

Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Submarine Groundwater‐Borne Nutrients in a Tropical Bay (Maowei Sea, China) and Their Impacts on the Oyster Aquaculture

Coastal–Groundwater Interfaces (Submarine Groundwater Discharge)

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