Kpan Oulai Jean-Gautier

Hydrochemical Characterization and Organic Pollution Assessment of an Urban River Catchment under Anthropogenic Pressure: The Case of the Téguéré River (Korhogo, Côte d'Ivoire)

Kpan Oulai Jean-Gautier, TOE-BI Kahou Katel Kizito, Tohouri Priva, Ogbre Sandrine Ida Ursula, Gnamba Franck Maxime & Oga Yéi Marie Solange · Asian Journal of Chemical Sciences · 2026

Rapid and unplanned urbanisation in Sub-Saharan African cities exerts severe pressure on urban aquatic ecosystems due to the lack of adequate sanitation systems. This study evaluates the hydrochemical quality and organic pollution levels of surface water in the Téguéré River catc...

Open access Research Article 10.9734/ajocs/2026/v16i5477

Factors Controlling Groundwater Mineralization in Korhogo, Côte d’Ivoire: A Statistical Approach

Kpan Oulai Jean-Gautier, KOFFI Yao Honoré, TOE-BI Kahou Katel Kizito, Coulibaly Ouolli, Gnamba Franck Maxime & Oga Yéi Marie Solange · Chemical Science International Journal · 2026

Groundwater is a major drinking-water source in northern Côte d’Ivoire, and understanding the processes governing its dissolved mineral content is important for groundwater protection. This study investigated the mechanisms controlling groundwater mineralisation in the Korhogo de...

Open access Research Article 10.9734/CSJI/2026/v35i51060

Assessing the Impact of Rainfall Variability on Lake Ono by Using the Supervised Classification Method

Kpan Oulai Jean-Gautier, Diomandé Métangbo, Koffi Antoine & Oga Yéi Marie Solange · International Journal of Environment and Climate Change · 2025

The effects of climate change on water resources result from a combination of several factors, including reduced precipitation, decreased runoff, increased evapotranspiration, and decreased groundwater recharge. This study highlights the hydrological impacts of climate variabilit...

Open access Research Article 10.9734/ijecc/2025/v15i125147

Geochemical Contribution to the Understanding of Groundwater Mineralization in Southeastern Coastal Côte d'Ivoire

Kpan Oulai Jean-Gautier, KOFFI Yao Honoré, Diomandé Métangbo & Oga Yéi Marie Solange · Asian Journal of Geological Research · 2025

The main objective of the study carried out in the south-eastern coastal region of Côte d'Ivoire was to determine the hydrogeochemical origin of groundwater mineralization. Understanding the interactions between water and the surrounding rocks is essential for identifying the roo...

Open access Research Article 10.9734/ajoger/2025/v8i2195

Physicochemical Quality of Water Resources in the Téguéré River Watershed in the Face of Pressures from Periurban Market Gardening in Korhogo, Northern Côte d'Ivoire

Diomandé Métangbo, Kpan Oulai Jean-Gautier, Yapi Assa Fabrice, Silué Sionhagnigui Mamadou, Koffi Antoine, Cissé Guéladio & Oga Yéi Marie Solange · Current Journal of Applied Science and Technology · 2026

In Korhogo, the Téguéré River watershed is home to intensive peri-urban market gardening. The widespread use of pesticides poses a significant risk to water resource quality. This study aims to assess the impact of pesticides on the quality of water resources in the Téguéré water...

Open access Research Article 10.9734/cjast/2026/v45i14657