c7.6.5 – A GIS based model to estimate the species-specific biogenic volatile organic compounds (BVOC) emissions from some italian terrestrial ecosystems

Kemper Pacheco CJ* (1), Brancaleoni E (1), Frattoni M (1), Matteucci G (2), Fares S (2), Ciccioli P (1)

(1) Istituto di Metodologie Chimiche-Research Area of CNR, Via Salaria km 29.300, 00016, Roma; (2) Istituto di Biologia Forestale ed Agroalimentare-Research Area of CNR, Via Salaria km 29.300, 00016, Roma
Collocazione: c7.6.5 – Tipo Comunicazione: Presentazione orale
7° Congresso SISEF *
Sessione 6: “Ecosistemi forestali e fattori ambientali” *

Contatto: Claudia Justina Kemper Pacheco (claudia.kemper@mlib.imc.cnr.it)

Abstract: A GIS model has been developed to estimate of the BVOC-specific emissions from plant species dominant in Italian forest ecosystems. BVOC play an important role in climatic changes because they are capable to produce tropospheric ozone and secondary organic aerosols (SOA), when exposed to the UV radiation in the presence of sufficient amounts of nitrogen oxides (NO and NO2). SOA can act as cloud condensation nuclei (CCN), that affect the radiation balance of the earth by promoting cloud formation. The model allows to estimate the emissions of individual components formed by the plant through different biochemical pathways. The model is unique because until now, biogenic emission has been expressed only in terms of isoprene and total monoterpenes. By expressing the emission in terms of individual components, it is possible to account for the different reactivity they have in the atmosphere. The model introduces also emission algorithms of BVOC in which the phonological changes of the plant are taken into due account. The method provides high-resolution maps (daily or hourly) of BVOC-specific fluxes providing that adequate vegetation and meteorological maps are available. Keyworks: Volatile organic compounds, monoterpenes, GIS, light, temperature.

Citazione: Kemper Pacheco CJ , Brancaleoni E , Frattoni M , Matteucci G , Fares S , Ciccioli P (2009). A GIS based model to estimate the species-specific biogenic volatile organic compounds (BVOC) emissions from some italian terrestrial ecosystems . 7° Congresso Nazionale SISEF, Isernia – Pesche (IS), 29 Set – 03 Ott 2009, Contributo no. #c7.6.5