Seasonal Variations of Tropospheric Ozone Concentrations

Seasonal Variations of Tropospheric Ozone Concentrations

Article ID

TZ4K7

Seasonal Variations of Tropospheric Ozone Concentrations

Dr. Nnenesi A. Kgabi Polytechnic of Namibia

Ramotsamai M. Sehloho

DOI

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Abstract

This study shows strong seasonality of ground level ozone concentrations with spring (September and October) maximum and winter (May and June) minimum levels. The levels were observed in decreasing order per season as: spring>summer>autumn>winter. The Johannesburg ozone levels were much lower than Botsalano and Marikana levels. The monthly levels for the 2007 to 2008 period were determined in order of decreasing abundance as Marikana (21.07 – 50.02 ppb), Botsalano (28.17 – 37.94 ppb), Buccleuch (2.03 – 23.42 ppb), Delta (5.76 – 17.32 ppb) and Newtown (1.73 – 17.19 ppb). The precursors of ozone (NOx, NO2, and NO) also showed peaks in winter (May-June). Anti- correlation of ozone and its precursors (NOx, NO2, and NO) were also observed. The authors also conclude that the formation of ozone in Johannesburg occurs under the VOC-sensitive regime, and that the possible sources of ozone in the city are vehicular and industrial and businesses.

Seasonal Variations of Tropospheric Ozone Concentrations

Authors

Dr. Nnenesi A. Kgabi Polytechnic of Namibia

Ramotsamai M. Sehloho

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How to Cite

Dr. Nnenesi A. Kgabi. 2012. “. Global Journal of Science Frontier Research – B: Chemistry GJSFR-B Volume 12 (GJSFR Volume 12 Issue B5): .

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

GJSFR Volume 12 Issue B5
Pg. 21- 30

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Submission Received August 21, 2012
Accepted September 10, 2012
Published September 20, 2012

Keywords

oxides of nitrogen seasonal variations Tropospheric ozone

Article Matrices

Total Score: 107

Country: Namibia

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Dr. Nnenesi A. Kgabi, Ramotsamai M. Sehloho (PhD/Dr. count: 1)

View Count (all-time): 100

Total Views (Real + Logic): 5185

Total Downloads (simulated): 2540

Publish Date: 2012 10, Tue

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Total Views: 5185

Total Downloads: 2540

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