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Authors: Calabrese, S.*
D'Alessandro, W.*
Bellomo, S.*
Brusca, L.*
Martin, R.S.*
Saiano, F.*
Parello, F.*
Title: Characterization of the Etna volcanic emissions through an active biomonitoring technique (moss-bags): Part 1 – Major and trace element composition
Title of journal: Chemosphere
Series/Report no.: /119 (2015)
Publisher: Elsevier Science Limited
Issue Date: Jan-2015
DOI: 10.1016/j.chemosphere.2014.08.086
Keywords: Volcanoes
Enrichment factors
Environmental impact
Atmospheric deposition
Abstract: Active biomonitoring using moss-bags was applied to an active volcanic environment for the first time. Bioaccumulation originating from atmospheric deposition was evaluated by exposing mixtures of washed and air-dried mosses (Sphagnum species) at 24 sites on Mt. Etna volcano (Italy). Concentrations of major and a large suite of trace elements were analysed by inductively coupled mass and optical spectrometry (ICP-MS and ICP-OES) after total acid digestion. Of the 49 elements analysed those which closely reflect summit volcanic emissions were S, Tl, Bi, Se, Cd, As, Cu, B, Na, Fe, Al. Enrichment factors and cluster analysis allowed clear distinction between volcanogenic, geogenic and anthropogenic inputs that affect the local atmospheric deposition. This study demonstrates that active biomonitoring with moss-bags is a suitable and robust technique for implementing inexpensive monitoring in scarcely accessible and harsh volcanic environments, giving time-averaged quantitative results of the local exposure to volcanic emissions. This task is especially important in the study area because the summit area of Mt. Etna is visited by nearly one hundred thousand tourists each year who are exposed to potentially harmful volcanic emissions.
Appears in Collections:01.01.08. Instruments and techniques
01.01.07. Volcanic effects
Papers Published / Papers in press

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