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This report presents the individual reports of the BEMA groups participating in the BEMA measuring exercises in Burriana (Valencia) performed in 1996. BEMA is a European Commission project on Biogenic Emissions in the Mediterranean Area with the main goal to improve understanding the type and amount of biogenic emissions and of their role in tropospheric chemistry and ozone formation. The latest test area selected for BEMA experiments was the Valencian citrus belt covering a large, flat area with a uniform emitter type that is governed by a very regular land-sea breeze system. This site has been selected for a mesoscalic test caste study schedules for June 1997 to validate the models of transport and of air chemistry developed. The report presented here includes some additional measurements done in spring 1996 during the orange flowering period. The experimental set-up consisted of five test sites (A, B, D, D, E) arranged in sea-breeze direction along a corridor extending from seashore (site A) to 40 km inland (site E), as described in detail in the previous report. The measurements in May 1996 aimed at further characterizing the vegetation, the local wind and pollutant cycles, the emission rates from Citrus branches, the fluxes of biogenic and anthropogenic volatile organic carbons (VOCs).

Additional information

Authors: LENZ R ET AL, FH Nürtingen (DE);MANES F ET AL, Department of Plant Biology, Università degli Studi La Sapienza, Roma (IT);PÉREZ-PASTOR P ET AL, CIEMAT, Madrid (ES);CALOGIROU A ET AL, JRC Ispra (IT);STEINBRECHER R ET AL, Fraunhofer Institut, Atmophärische Umweltforschung, Garmisch-Partenkirchen (DE);LORRES L ET AL, Laboratoire Chimie-Energie et Environment, Ecole Nationale Supérieure de Chimie de Toulouse (FR);HEWITT C N ET AL, Institute of Environmental and Biological Sciences, Lancaster University (GB)
Bibliographic Reference: EUR 17336 EN (1997) 102pp., FS, free of charge
Availability: Available from the Public Relations and Publications Unit, JRC Ispra, I-21020 Ispra (IT), Fax: +39-332-785818
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