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  | ARTICLES | Am. J. innov. res. appl. sci. Volume 10,  Issue 6, Pages 237-241 (June 2020)
Research Article
 
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American Journal of innovative
Research & Applied Sciences 
ISSN  2429-5396 (Online)
OCLC Number: 920041286
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| JUNE | VOLUME 10 | N° 6 | 2020 |
| Info-AJIRAS-® Journal ISSN 2429-5396 (Online) / Reference  CIF/15/0289M |
  American Journal of Innovative Research & Applied Sciences
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*Correspondant author and authors Copyright © 2020:

|Anifowose, F. A 1*| Ajayi, O.2 | and | Fagorite, V. I 2 |


Affiliation.


1 .Department of Environmental Science | University of Louisiana at Lafayette, LA, | USA |
2. Department of Geology | Federal University of Technology Owerri | Nigeria
|


This article is made freely available as part of this journal's Open Access: ID | Anifowose-Ref.3-ajira210520 |
ABSTRACT

Background: Dissolved Oxygen is the amount of free oxygen available for aquatic organisms. It is an important parameter in the determination of water quality in a particular environment. Objective: The main objective of the study was to assess the seasonal variability of dissolved oxygen with regards to temperature and salinity and to understand how change in coastal salinity can affect the level of dissolved oxygen in Gulf of Mexico. Methods: For the study, data were collected from Louisiana department of environment quality water data project on coastal Louisiana dissolved oxygen survey. The field data comprises of three replicate samples measurement recorded by a precalibrated multiparameter probe in the months of March, June, August and November 2015 making a total of twelve different samples. Field collected data was formatted to reflect only the relevant parameters using excel spreadsheet. The analyses of the data were done using excel software to calculate the average of temperature, salinity and dissolved oxygen for the four months and to generate line graph and column charts. Also, Pearson correlation coefficient was used to measure the strength of the association between the twelve data of temperature with dissolved oxygen and salinity with dissolved oxygen. Results: The Pearson correlation coefficient(r) calculated for the data of temperature and dissolved oxygen was -0.8929, which shows that there is a strong negative correlation between temperature and dissolved oxygen. The higher the temperature during summer season, the lower the dissolved oxygen. While the lower the temperatures during winter season the higher the dissolved oxygen. The salinity and dissolved oxygen Pearson correlation coefficient(r) calculated was 0.8784 depicting a strong positive correlation between these collected data. The higher the salinity value for winter season, the higher the dissolved oxygen and the lower the salinity during summer season the lower the dissolved oxygen. Conclusion: The water quality of Gulf of Mexico South of Cocodrie, Louisiana after field measurement analyses shows seasonal variability of winter season having higher value than the summer season. Although, pH, temperature, salinity and dissolved oxygen seasonal values were within the acceptable water quality standards, and the inverse correlation between temperature and dissolved oxygen values were consistent with documented literatures. Hence, the direct correlation between salinity and dissolved oxygen values of Gulf of Mexico should be reevaluated because an increase in salinity will definitely result in a decrease dissolved oxygen.
Keywords: Dissolved Oxygen, Salinity, Temperature, pH and Gulf of Mexico
Corresponding author Author & Copyright Author © 2020: | Anifowose, F. A * |. All Rights Reserved. All articles published in American Journal of Innovative Research and
Applied Sciences are the property of Atlantic Center Research Sciences, and is protected by copyright laws CC-BY. See: http://creativecommons.org/licenses/by-nc/4.0/
SEASONAL VARIABILITY OF DISSOLVED OXYGEN IN RELATION TO TEMPERATURE AND SALINITY IN GULF OF MEXICO, SOUTH OF COCODRIE, LOUISIANA

| Anifowose, F. A 1* | Ajayi, O.2 | and | Fagorite, V. I |.  Am. J. innov. res. appl. sci. 2020; 10(6):237-241.

    | PDF FULL TEXT |  | XML FILE  |   | Received | May 21, 2020 | | Accepted | June 06, 2020 |  | Published | June 14, 2020 |