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Browsing by Author "Van Tienhoven, AM"

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Modelled surface ozone over southern africa during the cross border air pollution impact assessment project

Author: Zunckel, M ; Koosailee, A ; Yarwood, G ; Maure, G ; Venjonoka, K ; Van Tienhoven, AM ; Otter, L Date: Jul 2006 Monitoring of surface ozone over southern Africa has shown that ambient concentrations often exceed a threshold of 40 ppb at which damage to vegetation by ozone could be expected. The Cross Border Air Pollution Assessment Project (CAPIA) was ... Read more
Preliminary assessment of risk of ozone impacts to maize (Zea mays) in Southern Africa

Author: Van Tienhoven, AM ; Zunckel, M ; Emberson, L ; Koosailee, A ; Otter, L Date: Mar 2006 Surface ozone concentrations in southern Africa exceed air quality guidelines set to protect agricultural crops. This paper addresses a knowledge gap by performing a preliminary assessment of potential ozone impacts on vegetation in southern ... Read more
Surface ozone over southern Africa; synthesis of monitoring results during the cross border air pollution impact assessment project

Author: Zunckel, M ; Venjonoka, K ; Pienaar, JJ ; Brunke, EG ; Pretorius, O ; Koosialee, A ; Raghunandan, A ; Van Tienhoven, AM Date: Nov 2004 Measurements of surface ozone in the southern African region are limited to a few active and passive monitoring sites. Over the region, the mean surface ozone concentrations exhibit strong seasonal and diurnal variations. The seasonal maximum ... Read more

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Browsing by Author "Van Tienhoven, AM"

Browsing by Author "Van Tienhoven, AM"

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