0000000000815075

AUTHOR

Jason Day

showing 2 related works from this author

The use of tree-rings and foliage as an archive of volcanogenic cation deposition.

2007

Tree cores (Pinus nigra ssp. laricio) and leaves (Castanea sativa) from the flanks of Mount Etna, Sicily were analysed by ICP-MS to investigate whether volcanogenic cations within plant material provide an archive of a volcano's temporal and spatial depositional influence. There is significant compositional variability both within and between trees, but no systematic dendrochemical correlation with periods of effusive, explosive or increased degassing activity. Dendrochemistry does not provide a record of persistent but fluctuating volcanic activity. Foliar levels of bioaccumulated cations correspond to modelled plume transport patterns, and map short-term volcanic fumigation. Around the fl…

Health Toxicology and MutagenesisMineralogychemistry.chemical_elementAcerVolcanismVolcanic EruptionsToxicologyHistory 21st CenturyTreesSedimentary depositional environmentCationsMount Etna Volcanogenic cations Tree-rings Pinus nigra Castanea sativaTiliaVolatilesSicilygeographyStrontiumAir Pollutantsgeography.geographical_feature_categorybiologyHistory 19th CenturyGeneral MedicineHistory 20th Centurybiology.organism_classificationPinusPollutionPlumePlant LeavesDeposition (aerosol physics)VolcanochemistryPinaceaeGeologyEnvironmental MonitoringEnvironmental pollution (Barking, Essex : 1987)
researchProduct

Sweet chestnut (Castanea sativa) leaves as a bio-indicator of volcanic gas, aerosol and ash deposition onto the flanks of Mt Etna in 2005–2007

2009

Sweet chestnut leaves (Castanea sativa) collected from the flanks of Mt Etna volcano in 2005-2007 were analysed by inductively-coupled plasma mass spectrometry to investigate the spatial and temporal variability of element concentrations. The aim of this work was to determine whether these leaves are a bio-indicator for volcanic gas, aerosol and ash deposition and to gain new insights into the environmental effects of quiescent and eruptive volcanic plumes. Results show a positive correlation between sample variability in the concentration of elements in Castanea sativa and enrichment factors of elements in the plume. The spatial and temporal variability of chalcophilic elements (As, Cd, Cu…

geographygeography.geographical_feature_categorygas depositionGeochemistryMineralogyVegetationPlumeAerosolEarth sciencesGeophysicsDeposition (aerosol physics)VolcanoGeochemistry and PetrologySpatial variabilityComposition (visual arts)GeologyGroundwaterJournal of Volcanology and Geothermal Research
researchProduct