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Browsing by Author "Zunckel, M"

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Overview of ambient air quality monitoring in South Africa

Author: Naidoo, M ; Zunckel, M ; John, J ; Taviv, I Date: Oct 2006 Air quality data is currently collected, processed and archived by a number of independent institutes. No collaboration exists between these organisations and there is no provincial or national air quality data information system or archive. ... Read more
Ozone damage to crops in southern Africa: An initial modeling study

Author: Zunckel, M ; Emberson, LD ; Sowden, M Date: Jun 2006 The Cross Border Impact Assessment Project (CAPIA) was designed to develop an understanding of regional surface ozone concentrations and their potential risk to agriculture in southern Africa. Surface ozone concentrations were estimated using ... 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
Rainwater composition in northeast Uruguay

Author: Zunckel, M ; Saizar, C ; Zarauz, J Date: Apr 2003 The aim in this paper is threefold: firstly to gain an initial understanding of rainwater chemistry in the northeast of Uruguay; secondly to identify possible sources that contribute to its chemical composition; and thirdly to establish a ... Read more
Southern Africa - a giant natural photochemical reactor

Author: Diab, RD ; Naidoo, M ; Zunckel, M ; Carter, WS Date: Apr 2006 The analogy of a ‘giant natural photochemical reactor’ is extended in this paper to the central and southern African tropics, where tropospheric ozone enhancement occurs over a vast geographical area from the Congo to South Africa, and over ... 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 "Zunckel, M"

Browsing by Author "Zunckel, M"

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