Water quality in the northern part of melleguemedjerda watershed east algeria has been adversely affected by important pollutants discharged into the medjerda wadi without, in most cases, any treatment. The late pleistocene closes with an intensive soil formation. From the study of key profiles in the middle course of the medjerda river results the following standard profile. The meiofauna data follows the regressive evolution of physicochemical parameters and provides further knowledge about the type and quality of the sediment. The otter is common and widespread in northern tunisia and the oued medjerda effectively represents a southern limit for the species. Waters of medjerda wadi catchment eastern algeria are one of the most important resources in algeria.
It flows out of the eastern spurs of the tell atlas medjerda mountains and into the gulf of tunis, forming a delta. Ce nest pas l oued medjerda et ce ne sont pas les chutes niagara. Along oued siliana, a southern tributary of the oued medjerda, a terrace could been formed. Medjerda article about medjerda by the free dictionary. Sorry, we are unable to provide the full text but you may find it at the following locations. Flood mapping using hydraulic modeling and sentinel1. The distribution of otters is largely coincident with dense bankside cover, provided mainly by nerium oleander. It has four dams and an exclusive dependence on medjerda river for its provision anrh, 2003. Medjerda river watersum project regional environmental center. Shared major surface water basins in the arab region shared among arab countries only an nahr al kabir, atui, daoura, dra, guir, medjerda, oued bon naima, tafna.
Pdf agricultural use and related water erosion may lead to significant changes in the sedimentological. Tunisia campaign in auckland nz tunisia ii boardgamegeek. Nahimutang ni sa amihanansidlakang bahin sa nasod, 600 km sa sidlakan sa algiers ang ulohan sa nasod. There are reservoirs used for irrigation on the medjerda. On the other hand, circulation within the areas posed a few problems, in particular, during the rainy season, and the project provided for the improvement and construction of roads. Repeated flooding of medjerda river is carrying a lot of damage to people, economic activities and the community. Pdf water pollution of oued medjerda in algerian souk. The actual location is an outer bank position of the om directly before it joins the oued medjerda fig. Steinmann and bartels 1982 dated snail shells in the terrace at approx. Pdf water quality of medjerda wadi used for irrigation.
Djedi river, also called djeddi river, oued djedi or ouadeddjedi arabic. Of particular note are the mountains and salt marsh which are impassable to. Oued medjerda valley, located between tunis, to the south, and bizerte, to the north. Oued medjerda route 55 a a a a a a a a a a a a a a a a kg luder kg hudel 5th northamptons tp 321st field btty 9th med btty btty 84th laa hq 1st e. Characterize and quantify the impact of flooding is a hydrological issue. The dam, along with a treatment plant to be constructed under this component, was expected. Oued medjerda nidagayday paingon ngadto sa dagat mediteraneo. Medjerda main stream and three of its northern tributaries increased salinity, nitrate load, organic mattera, coliforms, etc. Chemical and physical degradation are due to agricultural and industrial practices and domestic wastewaters.
Units along the oued medjerda spread out to form a good defensive line along the river. Floods are recurrent in the analysis of natural hazards. Sedimentation and soil formation phases in the ghardimaou. Moreover the medjerda has changed course at least nine times since antiquity. Water quality monitoring and assessment intechopen. Water quality of the oued medjerda, tunisia and algeria, and three. Holocene morphodynamics in northern tunisia flood plain. Water pollution of oued medjerda in algerian souk ahras. Assessing the organic pollution of surface water of.
Preliminary study on physicochemical parameters and. In the central area around the kalaa djerda intersection and tebessa the axis launch a strong counterattack against the allied independent armored battalions. The book attempts to covers the main fields of water quality issues presenting case studies in various countries concerning the physicochemical characteristics of surface and groundwaters and possible pollution sources as well as methods and tools for the evaluation of water quality status. The medjerda river also known as oued medjerda is the longest with a length of 450 km and most. Several studies sendi, 2010, djebbi, 2012, talbi et al. All structured data from the file and property namespaces is available under the creative commons cc0 license. It is also known as the wadi majardah or mejerha french. The unit was stirred and then left at rest for a predetermined time to allow the complete colourmaking reaction of the analyte with the reagent. Along the front following the oued medjerda and oued siliana rivers shells are exchanged on both sides. In this basin, waters are used for irrigation purposes. Merazig, water pollution of oued medjerda in algerian souk ahras region, in water quality monitoring and assessment, pp. Us 1st armored is mostly sitting idle facing a fortified position across the river. The results show that the sedimentary successions in the mid medjerda valley. Water pollution of oued medjerda in algerian souk ahras region.
It will, through the reuse of tww, contribute to preserving. Environmental impact of mining activity on the pollution. Foursquare uses cookies to provide you with an optimal experience, to personalize ads that you may see, and to help advertisers measure the results of their ad campaigns. Files are available under licenses specified on their description page. The geochemical studies undertaken have indicated pronounced falls in the concentrations of metals since the mining activities ceased, although the river sediments still contain higher levels than the local host. The purpose of this paper is the identification and. Google scholar apha, standard methods for examination of water and wastewater, american public health association, washington, dc, usa, 19th edition, 1995. Plugging these four avenues will keep the allies from tunis, but the axis dont have the resources to do it all at once. Sanitation for 3 towns in the medjerda valley, tunisia. Pdf heavy metals as indicators for holocene sediment. Water quality of the oued medjerda, tunisia and algeria, and three of its northern tributaries abstract a study was carried out in the northwestern part of the medjerda basin for the sake of improving the knowledge about its water quality as well as the relationships that may exist between the physicochemical and. Souk ahras city is located at north east of algeria and extends on a surface of 4360 km 2. The hydraulic models previously applied on the medjerda wadi are generally of onedimensional type. Water pollution of oued medjerda in algerian souk ahras region 531 reagent hach.
Overview of shared water resources management in the. Wadi aljadi is a wadi river with intermittent stream in algeria and one of the largest rivers of sahara. It is also known as the wadi majarda h or mejerh a french. It starts in the saharan atlas mountains, at elevation of about 1,400 meters 4,600 ft, flows for about 480 kilometers 300 mi approximately from west to east, and discharges into. The medjerda is noted for the sharp fluctuations in its discharge.