E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||4|
|Section||Heavy Metals in Aquatic Systems II|
|Published online||23 April 2013|
Behavior and trends for Zn in Saronikos Gulf
1 Laboratory of Environmental Chemistry, Faculty of Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli Zografou, 15771, Athens, GREECE
2 Laboratory of Environmental Chemistry and of Biochemical Processes, Department of Natural Resources and the Environment, Technological Education Institution of Crete, 3Romanou, PO BOX 89, 73103 Chania, Crete, GREECE
The study of Zn in the water column of Saronikos Gulf in Greece during a two year period between 2008 and 2010 added data to the available time series of metal data for this marine area since 1985. The Saronikos Gulf, is directly influenced by the Athens metropolitan area. The operation of the Wastewater Treatment Plant of Athens situated on the small island of Psitalia, in 1995, was considered to be the turning point in the efforts of de-pollution of the gulf. Major sources of pollution for the gulf include also the port of Piraeus, with intensive navigation and shipping activities and the significant industrial activity occurring along the coast of Attica. This study of dissolved and particulate Zn gave results consistent with previous studies of the area such as the prevalence of the dissolved form of Zn and the most affected areas being the smaller most enclosed Gulf of Elefsina and Psitalia Island near the wastewater outfall. However, the concentrations of Zn were below toxic levels for marine aquatic organisms. Furthermore, a clear decrease in the Eastern part of the gulf was exhibited as well as a more subtle decrease in the gulf of Elefsina. The levels of Zn in Saronikos Gulf were found comparable to those of other Greek coastal areas.
Key words: Zinc / Saronikos gulf / Greece / marine pollution
© Owned by the authors, published by EDP Sciences, 2013
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