Search Results - "Venter, Andrew D"

Rapid changes in biomass burning aerosols by atmospheric oxidation by Vakkari, Ville, Kerminen, Veli-Matti, Beukes, Johan Paul, Tiitta, Petri, van Zyl, Pieter G., Josipovic, Miroslav, Venter, Andrew D., Jaars, Kerneels, Worsnop, Douglas R., Kulmala, Markku, Laakso, Lauri

“…Primary and secondary aerosol particles originating from biomass burning contribute significantly to the atmospheric aerosol budget and thereby to both direct…”
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Atmospheric trace metals measured at a regional background site (Welgegund) in South Africa by Venter, Andrew D, van Zyl, Pieter G, Beukes, Johan P, Josipovic, Micky, Hendriks, Johan, Vakkari, Ville, Laakso, Lauri

“…Atmospheric trace metals can cause a variety of health-related and environmental problems. Only a few studies on atmospheric trace metal concentrations have…”
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Reevaluating the contribution of sulfuric acid and the origin of organic compounds in atmospheric nanoparticle growth by Vakkari, Ville, Tiitta, Petri, Jaars, Kerneels, Croteau, Philip, Beukes, Johan Paul, Josipovic, Miroslav, Kerminen, Veli-Matti, Kulmala, Markku, Venter, Andrew D., van Zyl, Pieter G., Worsnop, Douglas R., Laakso, Lauri

“…Aerosol particles formed in the atmosphere are important to the Earth's climate system due to their ability to affect cloud properties. At present, little is…”
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Measurements of biogenic volatile organic compounds at a grazed savannah grassland agricultural landscape in South Africa by Jaars, Kerneels, van Zyl, Pieter G, Beukes, Johan P, Hellén, Heidi, Vakkari, Ville, Josipovic, Micky, Venter, Andrew D, Räsänen, Matti, Knoetze, Leandra, Cilliers, Dirk P, Siebert, Stefan J, Kulmala, Markku, Rinne, Janne, Guenther, Alex, Laakso, Lauri, Hakola, Hannele

“…Biogenic volatile organic compounds (BVOCs) play an important role in the chemistry of the troposphere, especially in the formation of tropospheric ozone (O3)…”
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Carbon balance of a grazed savanna grassland ecosystem in South Africa by Räsänen, Matti, Aurela, Mika, Vakkari, Ville, Beukes, Johan P, Tuovinen, Juha-Pekka, Van Zyl, Pieter G, Josipovic, Miroslav, Venter, Andrew D, Jaars, Kerneels, Siebert, Stefan J, Laurila, Tuomas, Rinne, Janne, Laakso, Lauri

“…Tropical savannas and grasslands are estimated to contribute significantly to the total primary production of all terrestrial vegetation. Large parts of…”
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Size-resolved characteristics of inorganic ionic species in atmospheric aerosols at a regional background site on the South African Highveld by Venter, Andrew D., van Zyl, Pieter G., Beukes, Johan P., Swartz, Jan-Stefan, Josipovic, Miroslav, Vakkari, Ville, Laakso, Lauri, Kulmala, Markku

“…Aerosols consist of organic and inorganic species, and the composition and concentration of these species depends on their sources, chemical transformation and…”
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An air quality assessment in the industrialised western Bushveld Igneous Complex, South Africa by Venter, Andrew D, Vakkari, Ville, Beukes, Johan P, van Zyl, Pieter G, Laakso, Heikki, Mabaso, Desmond, Tiitta, Petri, Josipovic, Miroslav, Kulmala, Markku, Pienaar, Jacobus J, Laakso, Lauri

“…South Africa has the largest industrialised economy in Africa, with significant mining and metallurgical activities. A large fraction of the South African…”
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Size-resolved characterisation of organic compounds in atmospheric aerosols collected at Welgegund, South Africa by Booyens, Wanda, Van Zyl, Pieter G., Beukes, Johan P., Ruiz-Jimenez, Jose, Kopperi, Matias, Riekkola, Marja-Liisa, Josipovic, Miroslav, Venter, Andrew D., Jaars, Kerneels, Laakso, Lauri, Vakkari, Ville, Kulmala, Markku, Pienaar, Jacobus J.

“…The organic fraction of atmospheric aerosols is 20 to 90 % of which only a small percentage has been chemically characterised. Two-dimensional gas…”
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Ambient air quality data reported at Sasol Secunda monitoring stations during COVID-19 lockdown – Mpumalanga, South Africa by Venter, Andrew, De Vos, Sandra

“…Various local and international research has been published on the effects of COVID-19 lockdown on ambient air quality. In most cases, a reduction in ambient…”
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Size-resolved characteristics of inorganic ionic species in atmospheric aerosols at a regional background site on the South African Highveld by Andrew D. Venter, Pieter G. van Zyl, Johan P. Beukes, Jan-Stefan Swartz, Miroslav Josipovic, Ville Vakkari, Lauri Laakso, Markku Kulmala

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Size-resolved characteristics of inorganic ionic species in atmospheric aerosols at a regional background site on the South African Highveld North-West University's research published in Journal of Atmospheric Chemistry by Venter, Andrew D., van Zyl, Pieter G., P. Beukes, Johan, Swartz, Jan-Stefan, Josipovic, Miroslav, Vakkari, Ville, Laakso, Lauri, Kulmala, Markku

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An air quality assessment in the industrialised western Bushveld Igneous Complex, South Africa by Andrew D. Venter, Ville Vakkar, Johan P. Beukes, Pieter G. van Zyl, Heikki Laakso, Desmond Mabaso, Petri Tiitta, Miroslav Josipovic, Markku Kulmala, Jacobus J. Pienaar, Lauri Laakso

“…South Africa has the largest industrialised economy in Africa, with significant mining and metallurgical activities. A large fraction of the South African…”
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An air quality assessment in the industrialised western Bushveld Igneous Complex, South Africa : research article by Laakso, Lauri, Josipovic, Miroslav, Laakso, Lauri, Vakkari, Ville, Kulmala, Markku, Beukes, Johan P., Pienaar, Jacobus J., Tiitta, Petri, Tiitta, Petri, Laakso, Lauri, Laakso, Heikki, Venter, Andrew D., Van Zyl, Pieter G.

“…South Africa has the largest industrialised economy in Africa, with significant mining and metallurgical activities. A large fraction of the South African…”
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Spatial and temporal assessment of organic and black carbon at four sites in the interior of South Africa by Maritz, P, Beukes, JP, Van Zyl, PG, Conradie, EH, Liousse, C, Galy-Lacaux, C, Castéra, P, Ramandh, A, Mkhatshwa, G, Venter, AD, Pienaar, JJ

“…Limited data currently exist for atmospheric organic carbon (OC) and black carbon (BC) in South Africa (SA). In this paper OC and BC measured in SA were…”
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