Abstract：
:Volcanic emissions were studied at Mount Etna (Italy) by using moss-bags technique. Mosses were exposed around the volcano at different distances from the active vents to evaluate the impact of volcanic emissions in the atmosphere. Morphology and mineralogy of volcanic particulate intercepted by mosses were investigated using scanning electron microscopy (SEM) equipped with energy dispersive spectrometer (EDS). Particles emitted during passive degassing activity from the two active vents, Bocca Nuova and North East Crater (BNC and NEC), were identified as silicates, sulfates and halide compounds. In addition to volcanic particles, we found evidences also of geogenic, anthropogenic and marine spray input. The study has shown the robustness of this active biomonitoring technique to collect particles, very useful in active volcanic areas characterized by continuous degassing and often not easily accessible to apply conventional sampling techniques.
journal_name
Chemospherejournal_title
Chemosphereauthors
Calabrese S,D'Alessandro Wdoi
10.1016/j.chemosphere.2014.08.087subject
Has Abstractpub_date
2015-01-01 00:00:00pages
1456-1464eissn
0045-6535issn
1879-1298pii
S0045-6535(14)01137-0journal_volume
119pub_type
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