Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Jan-Stefan Swartz"'
Autor:
Jan-Stefan Swartz, Pieter G. van Zyl, Johan P. Beukes, Corinne Galy-Lacaux, Casper Labuschagne, Ernst-Gunther Brunke, Thumeka Mkololo, Jacobus J. Pienaar
Publikováno v:
Clean Air Journal, Vol 32, Iss 1 (2022)
The measurement of precipitation chemistry enables the assessment of the temporal and spatial evolution of the chemical composition of the atmosphere associated with atmospheric physical and chemical mechanisms. The aims of this study were to report
Externí odkaz:
https://doaj.org/article/adf8b2fabce54eb988eaeed10b45c894
Autor:
Andrew D. Venter, Pieter G. van Zyl, Johan P. Beukes, Jan-Stefan Swartz, Miroslav Josipovic, Ville Vakkari, Lauri Laakso, Markku Kulmala
Publikováno v:
Clean Air Journal, Vol 28, Iss 2 (2018)
Externí odkaz:
https://doaj.org/article/2121658cffe94cabafd4ef1af6176fd9
Autor:
Johan P. Beukes, Jacobus J. Pienaar, Avishkar Ramandh, Jan-Stefan Swartz, Corinne Galy-Lacaux, Pieter G. van Zyl
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 10637-10665 (2020)
South Africa is considered an important source region of atmospheric pollutants, which is compounded by high population and industrial growth. However, this region is understudied, especially with regard to evaluating long-term trends of atmospheric
Autor:
Constance Keitumetse Segakweng, Pieter Gideon van Zyl, Cathy Liousse, Johan Paul Beukes, Jan-Stefan Swartz, Eric Gardrat, Maria Dias-Alves, Brigitte Language, Roelof P. Burger, Stuart J. Piketh
Publikováno v:
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, 2022, 22 (15), pp.10291-10317. ⟨10.5194/acp-22-10291-2022⟩
Atmospheric Chemistry and Physics, 2022, 22 (15), pp.10291-10317. ⟨10.5194/acp-22-10291-2022⟩
Naturally and anthropogenically emitted aerosols, which are determined by their physical and chemical properties, have an impact on both air quality and the radiative properties of the earth. An important source of atmospheric particulate matter (PM)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::263e7cd56521973880b09b62434caadf
https://acp.copernicus.org/preprints/acp-2021-1026/
https://acp.copernicus.org/preprints/acp-2021-1026/
Autor:
Jan-Stefan Swartz, Pieter G. Van Zyl, Johan P. Beukes, Corinne Galy-Lacaux, Avishkar Ramandh, Jacobus J. Pienaar
South Africa is considered an important source region of atmospheric pollutants, which is compounded by high population- and industrial growth. However, this region is understudied, especially with regard to evaluating long-term trends of atmospheric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef3abaa4af4fcc30928a172946ced942
https://acp.copernicus.org/preprints/acp-2020-166/acp-2020-166.pdf
https://acp.copernicus.org/preprints/acp-2020-166/acp-2020-166.pdf
Autor:
A. D. Venter, Johan P. Beukes, Pieter G. van Zyl, Markku Kulmala, Jan-Stefan Swartz, Miroslav Josipovic, Ville Vakkari, Lauri Laakso
Publikováno v:
Clean Air Journal, Vol 28, Iss 2 (2018)
Aerosols consist of organic and inorganic species, and the composition and concentration of these species depends on their sources, chemical transformation and sinks. In this study an assessment of major inorganic ions determined in three aerosol par
Autor:
Johan P. Beukes, Casper Labuschagne, Corinne Galy-Lacaux, T. Portafaix, E.-G. Brunke, P. G. van Zyl, Jan-Stefan Swartz, Jacobus J. Pienaar
Publikováno v:
Atmospheric Environment
Atmospheric Environment, In press, ⟨10.1016/j.atmosenv.2019.117128⟩
Atmospheric Environment, Elsevier, In press, ⟨10.1016/j.atmosenv.2019.117128⟩
Atmospheric Environment, In press, ⟨10.1016/j.atmosenv.2019.117128⟩
Atmospheric Environment, Elsevier, In press, ⟨10.1016/j.atmosenv.2019.117128⟩
International audience; Sulphur dioxide (SO 2), nitrogen dioxide (NO 2) and ozone (O 3) are considered typical inorganic gaseous pollutants in the atmosphere. The aim of this study was to assess long-term seasonal and inter-annual trends of a 21-year
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e101b4f5cfb1802533d635f31250f199
https://hal.science/hal-02385761
https://hal.science/hal-02385761
Autor:
Markku Kulmala, Pieter G. van Zyl, A. D. Venter, Johan P. Beukes, Miroslav Josipovic, Lauri Laakso, Jan-Stefan Swartz, Ville Vakkari
Publikováno v:
Clean Air Journal, Volume: 28, Issue: 2, Pages: 15-15, Published: 2018
Non
Publikováno v:
African Journal of Aquatic Science; Vol 41, No 4 (2016); 413-426
Despite their remoteness from sources of atmospheric pollutant emissions, the Afromontane tarns in the Maloti- Drakensberg region are perfect candidates to study the negative effects of acidifying atmospheric pollution, because mountain lakes are wid
Autor:
Curtis, Chris J.1 (AUTHOR) cjcurtis@uj.ac.za, Rose, Neil L.1,2 (AUTHOR), Khanzada, Tahir2 (AUTHOR), Yang, Handong2 (AUTHOR), Humphries, Marc3 (AUTHOR)
Publikováno v:
Transactions of the Royal Society of South Africa. 2023, Vol. 78 Issue 1/2, p45-66. 22p.