Air pollution research

Numéro d’image : 11750376
Air pollution research
Air pollution research. Gas supply storage hut for the FACE (Free-Air CO2/O3 Enrichment) project that investigates the effects of ozone (O3) and carbon dioxide (CO2) pollution on plants. Ozone and/or carbon dioxide are supplied to a pipe-ring (centre left) and pumped into the air from the top of a ring of vertical pipes (white,2.5 metres tall). Ozone is a gas formed by chemical reactions between oxygen and pollutants in the lower atmosphere. Carbon dioxide is formed by burning fossil fuels. Levels of both pollutants are predicted to rise in the future. Carbon dioxide increases plant growth,but ozone reduces it. The FACE site,started in 1989,is in Wisconsin,USA
Licence : Droits gérés
Crédit: Science Photo Library / Hay Jones, David
Taille de l’image : 5120 px × 3412 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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