Impact des rejets urbains et industriels sur la qualité des eaux de la plaine de la Meboudja (Algérie)

Bougherira, Nabil; Hani, Azzedine; Toumi, F.; Haied, Nadjib; Djabri, Larbi

doi:10.1080/02626667.2015.1052451

Cited by 10 publications

(8 citation statements)

References 16 publications

(14 reference statements)

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“…The water temperatures vary slightly between the different sites; with extreme values ranging from 18.1 to 25.2°C in site 1, 18.6 to 24.5°C in site 2, and 17.6 to 24.7°C in site 3 (Figure 2), These temperatures still less than 30°C, considered as limit value, for direct discharges into the environment [19] and also an indicative limit value for the wastewater used in the irrigation [20]. These temperature variations follow those of the climate of the region; which confirms the previous studies of Bougherira et al [2]. The difference in mean equalities between the sites is not significant (p =0.913).…”

Section: Physico-chemical Characteristics Of the Water In The Three Ssupporting

confidence: 85%

“…The availability of good quality water is an essential element to prevent disease and improve quality of life [1]. Currently, the situation in Algeria is characterised by a growing demand for water, while hydric resources are becoming scarce in a permanent way [2]. To this end, the discharge of wastewater into the wadis is a problem which results in an imbalance of the ecological environment on the one hand and the loss of these waters without recovery [3].…”

Section: Introductionmentioning

confidence: 99%

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Survey of the Physico-chemical and Parasitological Quality of the Wastewaters Used in Irrigation (Souk Ahras, North-East of Algeria)

Mamine

Khaldi

Grara

2020

IJEE

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The reuse of wastewaters of urban communes of Khmissa (Site 1), Hannancha (Site 2) and Souk Ahras (Site 3) rejected in the Medjerda wadi of Souk Ahras region (North-East Algeria) for agricultural purposes in the far NorthEast of Algeria is accompanied by health and environmental risks, the evaluation of which requires physico-chemical and parasitological characterization. Biweekly samples were taken from March to August 2019 at the three studied sites wastewaters discharges. The results revealed that the waters studied are characterized by high salt contents, negative redox potential and high levels of turbidity (97.

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Section: Physico-chemical Characteristics Of the Water In The Three Ssupporting

confidence: 85%

Section: Introductionmentioning

confidence: 99%

Survey of the Physico-chemical and Parasitological Quality of the Wastewaters Used in Irrigation (Souk Ahras, North-East of Algeria)

Mamine

Khaldi

Grara

2020

IJEE

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“…Model verification was done by history matching over the period 1991-2009. The figure represents the mesh and boundaries conditions use by Modflow [BOUGHERIRA et al 2015;MCDONALD, HARBAUGH 1988;ZHENG, 1990] of the two aquifers [AOUN-SEBAITI et al 2014;CHOUCHANE et al 2014]: a) the superficial aquifers (SA), b) and the gravel aquifer (GA).…”

Section: Resultsmentioning

confidence: 99%

Salinity and modelling of the Annaba aquifer system, North-East of Algeria

Majour¹,

Hani²,

Djabri³

2018

Journal of Water and Land Development

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The potentiometer area in the Annaba basin, covering an area of 264 km2, has declined considerably since 1995. The analysis of the chronological hydrographs (1991–2009) of the piezometric observations shows that this decline is related to about twenty years (20 years) drought that began in 1991. To synthesize hydrological data and study regional changes in aquifer interactions caused by changes in discharge, and determine the contamination of aquifers by salty intrusion in coastal areas, and making forecasts by the year 2023, a multi-layered transient model as well as a solute transport model has been developed. The groundwater flow was modelled using the finite difference method with a horizontal dimension of 500 × 500 m for the cells. The model consists of two layers, the first corresponding to the alluvial phreatic aquifer and the second to the deep confined aquifer, and is calibrated against the steady state groundwater heads recorded before 1996. Model verification was done by history matching over the period 1991–2009. Under steady-state conditions, the correspondence between simulated and observed water levels is generally good (average difference of 0.4 m). For the deep aquifer, the simulated time-series hydrographs closely match the recorded hydrographs for most of the observation wells. For the alluvial aquifer, the recorded hydrographs cover only a short time period, but they are reproduced. The model indicates that groundwater pumping induced a decrease in natural discharge, a downward leakage in most of the basin and a continual water-level decline. The model has also been applied to the analysis of recharge impact. Simulating the behaviour of the system over the period 1991–2009 without pumping indicated small changes in hydraulic head. These results show that the groundwater reservoir has a low recharge, but excellent hydraulic properties. A solute-transport model was used to study aquifer contamination from salty intrusion in coastal sectors; it was extended to the year 2023 by simulating an optimistic hypothesis that maintains present pumping until 2023. The model indicates that the head decrease of the alluvial phreatic and deep confined aquifers will be 4 m and 5 m respectively. The solute concentration in the deep confined aquifer will increase from 1 gꞏdm−3 (prior 2009) to 5 gꞏdm−3 in 2023.

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“…Principal Component Analysis (PCA) and varimax rotation analysis [13], [14], [15], [16], [17] carried out on the general table of "complete" analyses carried out on all the measuring points of the network (boreholes, wells and springs) allowed the identification of 2 main independent factors that influence the chemistry of the water of the commune, as well as the eigenvalues of the factors. The results are presented in Tables 4 and 5; Figures 7 and 8.…”

Section: Issnmentioning

confidence: 99%

Wells and Boreholes Physicochemical Water Quality Evaluation in the Atakpamé Commune Under Agriculture and Municipal Wastewater Impact .

2021

IJESRT

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Most of the drinking water supplies of Atakpamé town is assured by wells and boreholes. The quality of this water is threatened by human activities. This study is to evaluate the impact of agricultural techniques and wastewater management on the evolution of the physicochemical quality of well and borehole water, for an understanding of the acquisition of groundwater mineralization in this commune. The water was collected and analyzed and, the results submitted to statistical processing using the software XLSTAT 2018.6 shows that the most downgrading physicochemical parameters are pH, conductivity and nitrates, compared to World Health Organization (WHO) standards. Factor analysis and correlation between the parameters explain the source of nitrate pollution which is linked to the farming and other human activities. The hydro chemical facies represented in the Piper diagram using the diagram software are in majority chlorinated, sodipotassic. Qgis software led to the spatial representation of the nitrate pollution. This pollution is high in Abotèssè, Aféyé-Kpota, Idiotsè and Ikotadi localities. The Hierarchical Ascendant Classification (HAC) of sampled water point gives four important homogeneous subgroups for future sampling selecting a point while representing the subgroup under surveillance.

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Impact des rejets urbains et industriels sur la qualité des eaux de la plaine de la Meboudja (Algérie)

Cited by 10 publications

References 16 publications

Survey of the Physico-chemical and Parasitological Quality of the Wastewaters Used in Irrigation (Souk Ahras, North-East of Algeria)

Survey of the Physico-chemical and Parasitological Quality of the Wastewaters Used in Irrigation (Souk Ahras, North-East of Algeria)

Salinity and modelling of the Annaba aquifer system, North-East of Algeria

Wells and Boreholes Physicochemical Water Quality Evaluation in the Atakpamé Commune Under Agriculture and Municipal Wastewater Impact .

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