Tropospheric Ozone Concentrations and Meteorological Parameters

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Dr. Nnenesi A. Kgabi
Dr. Nnenesi A. Kgabi
σ
Dr. Nnenesi A Kgabi
Dr. Nnenesi A Kgabi
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Ramotsamai M Sehloho
Ramotsamai M Sehloho
α Namibia University of Science and Technology Namibia University of Science and Technology

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Tropospheric Ozone Concentrations and Meteorological Parameters

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Abstract

In this study the Environment SA 41 m UV photometric ozone analyzer was used to determine tropospheric ozone levels. The concentrations were correlated to meteorological parameters. The daily and hourly ozone concentrations ranged between 21.07 and 50.02 ppb, and 0.08 and 96.91 respectively for Marikana; and between 4.03 and 52.04 ppb, and 6.31 and 61.76 ppb for Botsalano Game reserve. The measured hourly ozone concentrations were below the one hour ozone standard for South Africa and the World Health Organization (WHO). An ‘ozone bell’ behavior with daily diurnal peaking between 12:00 and 16:00 hours and a low from evening to early morning was observed; thus suggesting anthropogenic activities as a possible source of tropospheric ozone in Botsalano and Marikana. A negative correlation between ozone and relative humidity, and a positive correlation between ozone and temperature, and wind speed was also observed at the two study sites.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Nnenesi A. Kgabi. 2012. \u201cTropospheric Ozone Concentrations and Meteorological Parameters\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 12 (GJSFR Volume 12 Issue B6): .

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Issue Cover
GJSFR Volume 12 Issue B6
Pg. 11- 21
Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Version of record

v1.2

Issue date

November 8, 2012

Language
en
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In this study the Environment SA 41 m UV photometric ozone analyzer was used to determine tropospheric ozone levels. The concentrations were correlated to meteorological parameters. The daily and hourly ozone concentrations ranged between 21.07 and 50.02 ppb, and 0.08 and 96.91 respectively for Marikana; and between 4.03 and 52.04 ppb, and 6.31 and 61.76 ppb for Botsalano Game reserve. The measured hourly ozone concentrations were below the one hour ozone standard for South Africa and the World Health Organization (WHO). An ‘ozone bell’ behavior with daily diurnal peaking between 12:00 and 16:00 hours and a low from evening to early morning was observed; thus suggesting anthropogenic activities as a possible source of tropospheric ozone in Botsalano and Marikana. A negative correlation between ozone and relative humidity, and a positive correlation between ozone and temperature, and wind speed was also observed at the two study sites.

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Tropospheric Ozone Concentrations and Meteorological Parameters

Dr. Nnenesi A Kgabi
Dr. Nnenesi A Kgabi
Ramotsamai M Sehloho
Ramotsamai M Sehloho

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