Publications by authors named "M Formalewicz"

Assessing the status of marine pollution at regional and sub-regional scales requires the use of comparable and harmonized data provided by multiple institutions, located in several countries. Standardized data management and quality control are crucial for supporting a coherent evaluation of marine pollution. Taking the Eastern Mediterranean Sea as a case study, we propose an approach to improve the quality control procedures used for sediment pollution data, thus supporting a harmonized environmental assessment.

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This study reports the development of an all-in-one elemental analyser isotope ratio mass spectrometry (EA-IRMS) system modified for simultaneous analysis of dissolved organic carbon (DOC) concentration and its stable carbon isotope footprint (C) in aqueous samples. The method involves a quantitative oxidation of DOC in a 200 µL liquid sample to CO, after sample acidification and stripping by nitrogen. The detection limit of the method for DOC quantification was 0.

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Article Synopsis
  • A study evaluated butyltin compound (BTC) contamination in sediments from two marinas in the north Adriatic Sea, revealing historical use of antifouling paints with varying BTC levels between the locations.
  • Analysis of carbon isotopes indicated that diagenetic processes may influence the movement and preservation of these pollutants in sediment, suggesting a complex interaction between organic matter and BTC.
  • Although no BTC was found in the water, there is a risk of contamination being released back into the water column from sediment, particularly at the marina in Lucija which has higher sediment contamination despite a high partitioning coefficient.
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Ports receive a variety of contaminants related to a wide range of anthropogenic activities - including ship ballast water (BW) - that ultimately find their way to sediments. Benthic meiofauna from four Adriatic ports (Ancona, Trieste, Koper, and Split) was assessed for the main environmental pollutants, to evaluate the effects of human activities on meiobenthos and identify the most appropriate descriptor to assess the ecological quality of marine ecosystems. Sediment analysis demonstrated that Trieste and Split were the most contaminated ports, followed by Koper and Ancona.

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Oxidant treatment of ballast water (BW) is commonly used in BW systems in order to minimize the transport of alien species. The release of disinfection by-products (DBPs) associated to the treatment of BW and cross-contamination of butyltin (BT) compounds through BW discharge is a topic of environmental concern. A chemical port baseline survey has been conducted in seven ports of the Adriatic Sea.

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