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To study the water quality for irrigation, sodium adsorption ratio (SAR), the percentage of sodium, and residual sodium carbonate (RSC) were calculated.
All bottles were carefully labeled and numbered prior to transport and kept at low temperature 4 °C.
Physico-chemical parameters (temperature, p H, and EC) were measured in situ using a multi-parameter WTW, and dissolved oxygen was analyzed with device multiline P3PH/LF-SET with a selective probe (WTW).
The basin is limited by the Mediterranean Sea in the North, by the district of Souk Ahras in the South, by the Fetzara Lake and the Edough Massif in West, and the Mafragh River in the East.
The Seybouse River constitutes an important superficial water resource with a total length of 240 km (Fig. Its water contributes in the irrigation of the plains of both Guelma and Annaba provinces.
Suspended matter (SM), biochemical oxygen demand (BOD).
Msc Thesis On Water Quality
Analyses have been accomplished at the laboratory of the Algerian Water Agency.The classification of water quality is done punctually according to the European standards in Africa and particularly in Algeria.The Seybouse River drains into the Mediterranean Sea, over 240 km from its source.The mean value of electrical conductivity is about 945.25 µs/cm in the station 2 (Bouhamdane) and exceeds 1,400 µs/cm in station 12 of Nador.The concentration of sulfates is above 250 mg/l in the stations 8 (Zimba) and 11 (Helia).The assessment of water quality has been carried out to determine the concentrations of different ions present in the surface waters.The Seybouse River constitutes a dump of industrial and domestic rejections which contribute to the degradation of water quality.Geologically, the area constitutes a basin of collapse full of plio-quaternary detritus deposits (rollers, gravels, and sands with clays standing on substratum constituted of Miocene marls. They were collected into new polyethylene bottles that had been rinsed two or three times with the water to be analyzed.The bottles were filled until overflowing and closed underwater to minimize aeration.The variation of the annual precipitation affects its hydrological regime; for instance, the floods of 1985 caused many damages to the Seybouse Valley.The drought observed in the last decades is linked to the decrease of the annual precipitation which did not exceed 600 mm by year.