期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 575, 期 -, 页码 1407-1414出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2016.09.217
关键词
Surface ozone; Tropospheric ozone; Ozone exposure; Forests; Crops; Vegetation
资金
- Fondazione Cassa di Risparmio di Firenze [2013/7956]
- LIFE Financial Instrument of the European Union [LIFE10 ENV/FR/000208, LIFE15 ENV/IT/000183]
- National Council of Research of Italy
- Romanian Academy
To artificially simulate the impacts of ground-level ozone (O-3) on vegetation, ozone FACE (Free Air Controlled Exposure) systems are increasingly recommended. We describe here a new-generation, three-dimensional ozone FACE, with O-3 diffusion through laser-generatedmicro-holes, pre-mixing of air and O-3, O-3 generator with integral oxygen generator, continuous (day/night) exposure and full replication. Based on three O-3 levels and assumptions on the pre-industrial O-3 levels, we describe principles to calculate relative yield/biomass and estimate impacts even at lower-than-ambient O-3 levels. The case study is called FO3X, and is at present the only ozone FACE in Mediterranean climate and one of the very few ozone FACEs investigating more than one stressor at a time. The results presented here will give further impulse to the research on O-3 impacts on vegetation all over the world. (C) 2016 Elsevier B.V. All rights reserved.
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