Jacobus Pienaar
Jacobus Pienaar
Professor Chemistry, North-West University
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A global assessment of precipitation chemistry and deposition of sulfur, nitrogen, sea salt, base cations, organic acids, acidity and pH, and phosphorus
R Vet, RS Artz, S Carou, M Shaw, CU Ro, W Aas, A Baker, VC Bowersox, ...
Atmospheric Environment 93, 3-100, 2014
General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI)–integrating aerosol research from nano to global scales
M Kulmala, A Asmi, HK Lappalainen, U Baltensperger, JL Brenguier, ...
Atmospheric Chemistry and Physics 11 (24), 13061-13143, 2011
Measurements of sulfur dioxide, ozone and ammonia concentrations in Asia, Africa, and South America using passive samplers
GR Carmichael, M Ferm, N Thongboonchoo, JH Woo, LY Chan, ...
Atmospheric Environment 37 (9-10), 1293-1308, 2003
Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers
M Adon, C Galy-Lacaux, V Yoboué, C Delon, JP Lacaux, P Castera, ...
Atmospheric Chemistry and Physics 10 (15), 7467-7487, 2010
The reduction of hexavalent chromium by sulphite in wastewater
JP Beukes, JJ Pienaar, G Lachmann, EW Giesekke
WRC, 1999
An air quality assessment in the industrialised western Bushveld Igneous Complex, South Africa
AD Venter, JP Beukes, PG Van Zyl, P Tiitta, M Josipovic, JJ Pienaar, ...
South African Journal of Science 108 (9), 1-10, 2012
Precipitation chemistry in semi-arid areas of Southern Africa: a case study of a rural and an industrial site
JN Mphepya, JJ Pienaar, C Galy-Lacaux, G Held, CR Turner
Journal of Atmospheric Chemistry 47 (1), 1-24, 2004
Chemical composition, main sources and temporal variability of PM1 aerosols in southern African grassland
P Tiitta, V Vakkari, P Croteau, JP Beukes, PG Van Zyl, M Josipovic, ...
Atmospheric Chemistry and Physics 14 (4), 1909-1927, 2014
Spatial and temporal assessment of gaseous pollutants in the Highveld of South Africa
AS Lourens, GD Fourie, JW Burger, JJ Pienaar, CE Read, JH Jordaan, ...
South African Journal of Science 107 (1), 1-8, 2011
South African EUCAARI measurements: seasonal variation of trace gases and aerosol optical properties
L Laakso, V Vakkari, A Virkkula, H Laakso, J Backman, M Kulmala, ...
Atmospheric Chemistry and Physics 12 (4), 1847-1864, 2012
The chemical composition and fluxes of atmospheric wet deposition at four sites in South Africa
EH Conradie, PG Van Zyl, JJ Pienaar, JP Beukes, C Galy-Lacaux, ...
Atmospheric environment 146, 113-131, 2016
Concentrations, distributions and critical level exceedance assessment of SO2, NO2 and O3 in South Africa
M Josipovic, HJ Annegarn, MA Kneen, JJ Pienaar, SJ Piketh
Environmental monitoring and assessment 171 (1), 181-196, 2010
Re-evaluating the NO2 hotspot over the South African Highveld
ASM Lourens, JP Beukes, PG Van Zyl, JJ Pienaar, TM Butler, S Beirle, ...
South African Journal of Science 108 (11), 1-6, 2012
Ambient aromatic hydrocarbon measurements at Welgegund, South Africa
K Jaars, JP Beukes, PG Van Zyl, AD Venter, M Josipovic, JJ Pienaar, ...
Atmospheric Chemistry and Physics 14 (13), 7075-7089, 2014
Surface ozone over southern Africa: synthesis of monitoring results during the Cross border Air Pollution Impact Assessment project
M Zunckel, K Venjonoka, JJ Pienaar, EG Brunke, O Pretorius, A Koosialee, ...
Atmospheric Environment 38 (36), 6139-6147, 2004
Effect of trifluoroacetate, a persistent degradation product of fluorinated hydrocarbons, on Phaseolus vulgaris and Zea mays
MF Smit, PDR Van Heerden, JJ Pienaar, L Weissflog, RJ Strasser, ...
Plant Physiology and Biochemistry 47 (7), 623-634, 2009
Precipitation chemistry and wet deposition in Kruger National Park, south Africa
JN Mphepya, C Galy-Lacaux, JP Lacaux, G Held, JJ Pienaar
Journal of Atmospheric Chemistry 53 (2), 169-183, 2006
Kinetics and mechanism of the oxidation of sulfur (IV) by ozone in aqueous solutions
CF Botha, J Hahn, JJ Pienaar, R Van Eldik
Atmospheric Environment 28 (20), 3207-3212, 1994
Long-term observations of aerosol size distributions in semi-clean and polluted savannah in South Africa
V Vakkari, JP Beukes, H Laakso, D Mabaso, JJ Pienaar, M Kulmala, ...
Atmospheric Chemistry and Physics 13 (4), 1751-1770, 2013
Long-term measurements of sulphur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in southern Africa using passive samplers: SAEON review
JJ Martins, RS Dhammapala, G Lachmann, C Galy-Lacaux, JJ Pienaar
South African journal of science 103 (7), 336-342, 2007
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