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Browsing by Author "Zunckel, M"

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  • Larom, D; Garstang, M; Lindeque, M; Raspet, R; Zunckel, M; Hong, Y; Brassel, K; OBeirne, S; Sokolic, F (American Institude of Physics, 1997-03)
    Measured vertical profiles of temperature and wind an used to model infrasound propagation over a representative high savanna habitat typically occupied by the African elephant, Loxodonta Africana, to predict calling ...
  • Zunckel, M; Koosailee, A; Yarwood, G; Maure, G; Venjonoka, K; Van Tienhoven, AM; Otter, L (Elsevier Science Ltd, 2006-07)
    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 ...
  • Zunckel, M; Robertson, L; Tyson, PD; Rodhe, H (Pergamon-Elsevier Science Ltd, 2000)
    Ambient SO2 concentrations and atmospheric deposition of sulphur resulting from emissions on the industrialised highveld region of South Africa are estimated using the multi-scale atmospheric transport and chemistry (MATCH) ...
  • Engelbrecht, JP; Swanepoel, L; Zunckel, M; Chow, JC; Watson, JG; Egami, RT (Elsevier Science BV, 2000-03-30)
    D-grade (i.e. poor quality) coal is widely used for household cooking and heating purposes by lower-income urban communities in South Africa. The smoke from the combustion of coal has had a severe impact on the health of ...
  • Naidoo, M; Zunckel, M; John, J; Taviv, I (2006-10)
    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 ...
  • Zunckel, M; Emberson, LD; Sowden, M (2006-06)
    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 ...
  • Van Tienhoven, AM; Zunckel, M; Emberson, L; Koosailee, A; Otter, L (2006-03)
    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 ...
  • Zunckel, M; Saizar, C; Zarauz, J (Pergamon-Elsevier Science Ltd, 2003-04)
    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 ...
  • Diab, RD; Naidoo, M; Zunckel, M; Carter, WS (2006-04)
    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 ...
  • Zunckel, M; Venjonoka, K; Pienaar, JJ; Brunke, EG; Pretorius, O; Koosialee, A; Raghunandan, A; Van Tienhoven, AM (Pergamon-Elsevier Science, 2004-11)
    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. ...