Mercury in suspended matter of the Gulf of Gdańsk: Origin, distribution and transport at the land-sea interface

Agnieszka Jędruch , Urszula Kwasigroch , Magdalena Bełdowska , Karol Kuliński

Abstract

The coastal regions of inland seas are particularly vulnerable to Hg pollution. An important carrier of toxic Hg in the marine environment is suspended matter originating from multiple sources. The present study was conducted in the Gulf of Gdańsk and its adjoining land in the years 2011–2013. The results indicated that the HgSPM (Hg bound with suspended particulate matter) concentrations varied horizontally and vertically and were dependent on the water dynamics and the composition of organic matter. Conditions favourable for the accumulation of matter and adsorption of reactive gaseous mercury led to increasing HgSPM levels, which are especially hazardous in the case of semi-enclosed areas such as estuaries. These conditions also increase the Hg loads into the trophic chain through suspension feeders. Moreover, the HgSPM concentration was significantly affected by seasonal phenomena (mainly coastal erosion) and the quantity and quality of primary production (phytoplankton blooms, mainly Mesodinium rubrum).
Author Agnieszka Jędruch ZChMiOŚM
Agnieszka Jędruch,,
- Division of Marine Chemistry and Environmental Protection
, Urszula Kwasigroch ZChMiOŚM
Urszula Kwasigroch,,
- Division of Marine Chemistry and Environmental Protection
, Magdalena Bełdowska ZChMiOŚM
Magdalena Bełdowska,,
- Division of Marine Chemistry and Environmental Protection
, Karol Kuliński
Karol Kuliński,,
-
Journal seriesMarine Pollution Bulletin, ISSN 0025-326X
Issue year2017
Vol118
No1-2
Pages354-367
Publication size in sheets0.65
Keywords in Englishmercury, particulate matter, C/N ratios, stable isotopes, coastal zone, Baltic Sea
DOIDOI:10.1016/j.marpolbul.2017.03.019
URL https://doi.org/10.1016/j.marpolbul.2017.03.019
Languageen angielski
Score (nominal)40
ScoreMinisterial score = 40.0, 26-02-2018, ArticleFromJournal
Ministerial score (2013-2016) = 40.0, 26-02-2018, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 3.146 (2) - 2016=3.78 (5)
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