| 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 | 836 | 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 | 252 | 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 | 219 | 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 | 147 | 2010 |
| 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, 1-24, 2004 | 125 | 2004 |
| 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 | 124 | 2012 |
| 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 | 115 | 2011 |
| 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 | 108 | 2016 |
| The reduction of hexavalent chromium by sulphite in wastewater JP Beukes, JJ Pienaar, G Lachmann, EW Giesekke WRC, 1999 | 108 | 1999 |
| 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 | 100 | 2014 |
| 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 | 97 | 2012 |
| 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, 181-196, 2010 | 86 | 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 | 80 | 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 | 69 | 2014 |
| 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, 169-183, 2006 | 67 | 2006 |
| 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 | 61 | 2009 |
| 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 | 61 | 2004 |
| 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 | 59 | 2007 |
| Atmospheric dry and wet deposition of sulphur and nitrogen species and assessment of critical loads of acidic deposition exceedance in South Africa M Josipovic, HJ Annegarn, MA Kneen, JJ Pienaar, SJ Piketh South African Journal of Science 107 (3), 1-10, 2011 | 57 | 2011 |
| 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 | 54 | 1994 |
Johan Paul BeukesNorth-West UniversityVerified email at nwu.ac.za
