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Open AccessArticle

Estimating the Biogenic Non-Methane Hydrocarbon Emissions over Greece

1
Department of Physics, Section of Environmental Physics-Meteorology, Building PHYS-5, National and Kapodistrian University of Athens, University campus, 15784 Athens, Greece
2
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Lofos Koufou, I. Metaxa and V. Pavlou str., 15236 Penteli, Greece
3
Physicalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC), CH-7260 Davos Dorf, Switzerland
4
Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
*
Author to whom correspondence should be addressed.
Atmosphere 2018, 9(1), 14; https://doi.org/10.3390/atmos9010014
Received: 28 November 2017 / Revised: 29 December 2017 / Accepted: 2 January 2018 / Published: 9 January 2018
(This article belongs to the Special Issue Advances in Atmospheric Physics: Selected Papers from CEST2017)
Biogenic emissions affect the urban air quality as they are ozone and secondary organic aerosol (SOA) precursors and should be taken into account when applying photochemical pollution models. The present study presents an estimation of the magnitude of non-methane volatile organic compounds (BNMVOCs) emitted by vegetation over Greece. The methodology is based on computation developed with the aid of a Geographic Information System (GIS) and theoretical equations in order to produce an emission inventory on a 6 × 6 km2 spatial resolution, in a temporal resolution of 1 h covering one year (2016). For this purpose, a variety of input data was used: updated satellite land-use data, land-use specific emission potentials, foliar biomass densities, temperature, and solar radiation data. Hourly, daily, and annual isoprene, monoterpenes, and other volatile organic compounds (OVOCs) were estimated. In the area under study, the annual biogenic emissions were estimated up to 472 kt, consisting of 46.6% isoprene, 28% monoterpenes, and 25.4% OVOCs. Results delineate an annual cycle with increasing values from March to April, while maximum emissions were observed from May to September, followed by a decrease from October to January. View Full-Text
Keywords: biogenic emissions; Greece; Geographic Information System (GIS) biogenic emissions; Greece; Geographic Information System (GIS)
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Dimitropoulou, E.; Assimakopoulos, V.D.; Fameli, K.M.; Flocas, H.A.; Kosmopoulos, P.; Kazadzis, S.; Lagouvardos, K.; Bossioli, E. Estimating the Biogenic Non-Methane Hydrocarbon Emissions over Greece. Atmosphere 2018, 9, 14.

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