American Journal of Environmental Protection
ISSN (Print): 2328-7241 ISSN (Online): 2328-7233 Website: http://www.sciepub.com/journal/env Editor-in-chief: Mohsen Saeedi, Hyo Choi
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American Journal of Environmental Protection. 2018, 6(1), 1-9
DOI: 10.12691/env-6-1-1
Open AccessArticle

Monitoring and Modeling of Chlorophyll-a Dynamics in a Eutrophic Lake: M'koa Lake (Jacqueville, Ivory Coast)

Yapo Habib Kpidi1, Ossey Bernard Yapo1, 2, Mamadou Guy-Richard Koné3, , Gabaze André Gadji1, Agness Essoh Jean Eudes Yves Gnagne1, Jean Stéphane N’dri3 and Nahossé Ziao3

1Laboratoire des Sciences de l’Environnement (LSE), (UFR-SGE), Université Nangui Abrogoua, 02 BP 801 Abidjan 02 - Côte-d’Ivoire

2Laboratoire Central de l’Environnement du Centre Ivoirien Anti-pollution (LCE-CIAPOL)

3Laboratoire de Thermodynamique et Physico-chimie du Milieu (LTPCM), (UFR-SFA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02 - Côte-d’Ivoire

Pub. Date: January 09, 2018

Cite this paper:
Yapo Habib Kpidi, Ossey Bernard Yapo, Mamadou Guy-Richard Koné, Gabaze André Gadji, Agness Essoh Jean Eudes Yves Gnagne, Jean Stéphane N’dri and Nahossé Ziao. Monitoring and Modeling of Chlorophyll-a Dynamics in a Eutrophic Lake: M'koa Lake (Jacqueville, Ivory Coast). American Journal of Environmental Protection. 2018; 6(1):1-9. doi: 10.12691/env-6-1-1

Abstract

In-situ measurements and physico-chemical analyzes of thirty (30) samples taken bimonthly from August 2015 to December 2016 on six (6) stations of Lake M'koa were carried out. A modeling study was made in order to determine a quantitative and qualitative relationship between chlorophyll-a and five physico-chemical descriptors (temperature, turbidity, oxidative power (RH), nitrate ions (NO3-) and nitrite (NO2-)). These descriptors constituted the explanatory and predictive parameters of chlorophyll-a of samples taken from Lake M'koa. This study was carried out by using Principal Component Analysis (PCA), Ascending Hierarchical Classification (AHC), Multiple Linear Regression (RML) and Nonlinear (RMNL) methods. Two quantitative and qualitative linear and nonlinear models (RML and RMNL) have been proposed. These accredited models as good statistical indicators have been validated according to the rules established by the Organization of Economic Cooperation and Development (OECD). Statistical indicators of RMNL reveal more efficient predictions with R2 = 0.942, RMSE = 0.049 and F = 291.986. The obtained results suggest that the combination of these five descriptors could be useful in predicting the property of chlorophyll-a. In addition, turbidity is the first most important descriptor for the prediction of chlorophyll-a at the M'koa Lake different stations.

Keywords:
Eutrophication chlorophyll-a Quantitative Structure-Property Relationship (QSPR) physico-chemical descriptors

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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