Effect of Wind Velocity on Transport and Distribution of Co2 Fluxes at a Tropical Location, Ile-Ife, Southwest Nigeria

1
Adewale Iyiola Ajao
Adewale Iyiola Ajao
2
Oluseyi E. Akinola
Oluseyi E. Akinola
3
Olawale E. Abiye
Olawale E. Abiye
1 Obafemi Awolowo University

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This study investigated effect of wind velocity on CO 2 fluxes at a tropical location, Ile-Ife, southwest Nigeria. Half-hourly averaged flux data acquired by eddy covariance measurements conducted for a complete two-year period (2017-2018) over a grass-covered surface at Obafemi Awolowo University, Ile-Ife, Nigeria was analyzed. The results showed that CO 2 fluxes increased rapidly from sunset to sunrise due to stable boundary layer and nighttime soil respiration. Large transport of CO 2 fluxes was very prominent in the early morning when winds were strong and large air-masses leaving the site. Consequently, CO 2 concentration dropped as convective activities kicked off, enhancing photosynthesis. CO 2 flux and concentration exhibited good linear relationships with relative humidity but strong inverse correlations with temperatures and radiations at the site. The dominant wind flow in the area, southwesterly was largely responsible for transport and distribution of fluxes. The study concluded that wind velocity has little or no significant influence on the transport and distribution of CO 2 fluxes, particularly at nighttime. This may be attributed majorly to low frequency distribution of winds in the area.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

Adewale Iyiola Ajao. 2026. \u201cEffect of Wind Velocity on Transport and Distribution of Co2 Fluxes at a Tropical Location, Ile-Ife, Southwest Nigeria\u201d. Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 23 (GJSFR Volume 23 Issue A3): .

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Enhanced wind velocity effect on tropical storms in Nigeria.
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GJSFR Volume 23 Issue A3
Pg. 81- 98
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-A Classification: (LCC): QC879.7 .N6
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v1.2

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May 31, 2023

Language

English

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This study investigated effect of wind velocity on CO 2 fluxes at a tropical location, Ile-Ife, southwest Nigeria. Half-hourly averaged flux data acquired by eddy covariance measurements conducted for a complete two-year period (2017-2018) over a grass-covered surface at Obafemi Awolowo University, Ile-Ife, Nigeria was analyzed. The results showed that CO 2 fluxes increased rapidly from sunset to sunrise due to stable boundary layer and nighttime soil respiration. Large transport of CO 2 fluxes was very prominent in the early morning when winds were strong and large air-masses leaving the site. Consequently, CO 2 concentration dropped as convective activities kicked off, enhancing photosynthesis. CO 2 flux and concentration exhibited good linear relationships with relative humidity but strong inverse correlations with temperatures and radiations at the site. The dominant wind flow in the area, southwesterly was largely responsible for transport and distribution of fluxes. The study concluded that wind velocity has little or no significant influence on the transport and distribution of CO 2 fluxes, particularly at nighttime. This may be attributed majorly to low frequency distribution of winds in the area.

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Effect of Wind Velocity on Transport and Distribution of Co2 Fluxes at a Tropical Location, Ile-Ife, Southwest Nigeria

Adewale Iyiola Ajao
Adewale Iyiola Ajao Obafemi Awolowo University
Oluseyi E. Akinola
Oluseyi E. Akinola
Olawale E. Abiye
Olawale E. Abiye

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