Medjani Fethi- Professor
- Professor at University of Ouargla
Medjani Fethi
- Professor
- Professor at University of Ouargla
About
26
Publications
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Introduction
Dr. Medjani Fethi is a Full Professor in the Department of Earth Science and the Universe at Ouargla University, Algeria. Since 2011, he has conducted extensive research in Geochemistry, petroleum geology, Remote Sensing, and Geo-Environmental Engineering. Fethi also serves as a staff scientist at the Geology of Sahara Laboratory, where he contributes to the Geomatic Research Team. His primary research focuses on Remote Sensing applications, with particular expertise in Landsat data analysis.
Current institution
Additional affiliations
January 2011 - present
Geology of Sahara laboratory
Position
- Researcher
Publications
Publications (26)
This study examines the distribution of pore pressure (PP) and fracture gradient (FG) within intervals of lost circulation encountered during drilling operations in the Ordovician reservoir (IV-3 unit) of the Tin Fouye Tabankort (TFT) field, located in the Illizi Basin, Algeria. The research further aims to determine an optimized drilling mud weigh...
Fetzara Lake, considered one of the most important wetlands in northeastern Algeria, was designated a Ramsar site in 2002. The waters in its watershed are affected by salinity, which influences their suitability for irrigation. To identify the factors influencing the quality of these surface waters, geochemical and statistical analyses were carried...
Worldwide, the majority of countries are actively devising strategies to address the challenges associated with unregulated and unmanageable development, the decline in environmental quality and the depletion of valuable agricultural land. This has led to a growing emphasis on understanding land use and land cover. In order to determine a better la...
Groundwater is the main source of drinking water for a number of towns in north-eastern Algeria located in the downstream sub-
basin of the Oued Guebli, namely the urban areas of Ouled Ma'zouz, Hadjria and Guergoura, which are facing a serious threat of
groundwater deterioration due to various sources of contaminants. In this respect, the present...
Groundwater resources are typically affected by both global climate factors and anthropogenic activities. This influence is most apparent in arid and semi-arid climates of the Saharan desert. With rising temperatures and minimal precipitation, climate variability in these regions has a particularly significant and systemic impact on the chemical co...
The study area belongs to the Bouteldja plain in the northeast of Algeria that experiences a cold and rainy Mediterranean climate during winters alongside a hot and dry summer. As per the potentiometric map, the movement of groundwater is towards the east. During model development, a single-layer numerical model was created with the aid of the MODF...
![Fig. 2. Geological map of the Mafragh watershed [20].](profile/Zahi-Faouzi/publication/371876769/figure/fig2/AS:11431281172865166@1688682477714/Geological-map-of-the-Mafragh-watershed-20_Q320.jpg)
![Fig. 3. Soil map of the Mafragh watershed [23].](profile/Zahi-Faouzi/publication/371876769/figure/fig3/AS:11431281172883853@1688682477907/Soil-map-of-the-Mafragh-watershed-23_Q320.jpg)
Soil resources in Algeria are limited by physical surface area, geogenic, and anthropogenic degradation. Given the importance of food production, soil resource management is an essential part of Algeria's long-term agricultural development. Furthermore, soil erosion is one of the serious natural environmental problem, affects millions of hectares o...
Fetzara lake, located at 18 km southwest of Annaba city, is one of the largest lakes in the extreme northeastern Algeria. In 2002, the Ramsar convention classified it among the wetlands of international importance. In this study, we aim to evaluate soil properties of Fetzara lake region, which are very sensitive to salinization phenomena, and their...
Groundwater is a vital resource in coastal areas to supply domestic, drinking, irrigation and industrial needs. To study the hydrogeochemical characteristics of groundwater and their suitability, Thirty-one (31) groundwater samples were collected from the shallow tubewells in the plain of the Djendjen river (North-East of Algeria). The water qualit...
Shallow aquifers are vulnerable to natural geogenic processes as well as anthropogenic influences, and this is especially apparent in desert regions. Within arid and hyperarid climates, evaporation is a controlling hydrologic process leads to an important increase in the concentration of dissolved minerals of both surface water and groundwater. In...
The difficulties of access and detailed measurements of land surface temperature ( LST ) and water surface temperature ( WST ) especially in wetlands made the use of remote sensing data as one of the sources and techniques to estimate many climate elements including surface temperature and surface emissivity (ɛ). This study aims to estimate the sur...
The objective of this study is to enhance the data currently available in the Guebli river basin and to provide some information about the quality of surface water. After a few general points designed to give the public and the lay manager the basic knowledge they need to make informed decisions. The overall physico-chemical and microbiological qua...
The study of the water quality in the alluvial aquifer of Tebessa basin is necessary to perform an assessment of the hydrogeochemical quality, their uses and the origin of their pollutant. Thus, a thorough understanding of aquifer behaviour and water mineralization origin using geochemical tools can lead to relevant information regarding mineralisa...
The study of the water quality in the alluvial aquifer of Tebessa basin is necessary to perform an assessment of the hydrogeochemical quality, their uses and the origin of their pollutant. Thus, a thorough understanding of aquifer behaviour and water mineralization origin using geochemical tools can lead to relevant information regarding mineralisa...
Supervised and unsupervised satellite image classifications have progressed greatly in recent years. However,
discrimination difficulties still remain among classes that directly affecting data extraction and surface mapping accuracy. The Ouargla region in southeastern Algeria is intersected by wadis, where direct communication between the shallow...
The aim of this work is to evaluate the purifying performance of El Rabta station (Jijel city). Eight sampling campaigns of raw sewage and treated water are carried out from this station during the months of April and May 2013. The results obtained show satisfactory purifying yields with 98.68 % of suspended solids. The abatement rate of COD and BO...
![Fig. 1. Geographic and geologic situation of Annaba-ElTarf region [18]...](profile/Djidel-Mohamed/publication/314090930/figure/fig1/AS:466782378041345@1488300999985/Geographic-and-geologic-situation-of-Annaba-ElTarf-region-18-modified-Legend-1_Q320.jpg)
![Fig. 2. Evolution of the piezometric level from 1978 to 1996 [11]](profile/Djidel-Mohamed/publication/314090930/figure/fig2/AS:466782382235648@1488301000008/Evolution-of-the-piezometric-level-from-1978-to-1996-11_Q320.jpg)
The region of Ouargla is located in the bed of M’ya River (lower Algerian Sahara) that represents the main artery of dry wadis. The superficial water table outcrops in depressions in the form of salty wetlands (Chotts and Sebkhas). These humid zones are influenced by different factors that degrade its environment: natural factor, mainly the anthrop...
Afin de mieux comprendre les fluctuations piézométriques de la nappe superficielle entourant le lac Fetzara en fonction des différents facteurs : les précipitations, l’exploitation et les échanges des apports d’eau entre les différents systèmes nappe- lac –oueds, nous avons effectué six campagnes de mesures piézométriques s’étalant du mois de décem...
Les zones humides désertiques montrent des changements rapides et ceux-ci ont été évalués à partir de différentes données utilisant plusieurs techniques. Cette situation est due aux effets anthropiques (rejet des eaux usées et d’irrigation) et aux effets naturels (climatiques et lithologiques). Il en résulte de cette situation des changements des t...
Les zones humides sont très dynamiques par l'effet de plusieurs paramètres naturels et anthropiques. La variabilité de ces zones humides varie des zones inondables d'un climat humide à des chotts et sebkhas d'un climat aride.Étant donné l'évolution de ces zones dans un seul site dépend de l'origine et de la qualité des eaux. L'objectif de ce travai...
Le climat du Sahara algérien est caractérisé par une intense sécheresse et une faible humidité et très particulièrement en été où les températures atteignent 50 degrés Celsius. La cuvette d'Ouargla est située dans le lit d'Oued M'ya, ce qui représente l'artère principal d'Oueds secs à écoulement souterrain (inféro-flux) qui présentent des affleurem...
Les changements des zones humides sont très dynamiques et ceux-ci ont été évalué à partir
de différentes données utilisant plusieurs techniques (comparaison de cartes historiques, comparaison des cartes topographiques, photo-interprétation …). La précision de ces mesures est variable : dans beaucoup de cas il s’agît plutôt d’estimations, étant donn...
Resume
Le lac Fetzara est l'un des plus importants lacs de l'extreme Nord-Est Algerien, avec une superficie de 18600 ha. il a ere officiellement classe sur la liste des zones humides d'importance intemationale, ce qui impose une protection de ce site. Cette etude a ere menee afin d'etudier l'etat actuel de la chimie des eaux souterraines et de dete...
Le lac Fetzara-Est Algérien, avec une superficie de 18600 ha. Il a été officiellement classé sur la liste des zones humides d'importance internationale, ce qui impose une protection de ce site. Cette r-miner l'origine de la salinité. Les résultats analytiques montrent la présence de trois faciès chimiques : chloruré sodique, chloruré calcique et bi...
![Figure 2: Distribution of soils classes of Fetzara Lake [3].](profile/Zahi-Faouzi/publication/293165478/figure/fig2/AS:356523390849026@1462013208706/Distribution-of-soils-classes-of-Fetzara-Lake-3_Q320.jpg)
The lake of Fetzara is located in the North-east of Algeria, it is situated at 18 km South-east of the city of Annaba. It lies down on 17 km from East to West and 13 km from North to South with an area of about 18600 ha, it was officially classified as an area "Ramsar", which involves protection of this location. Several studies have been conducted...
