Estimation of suspended sediment transport in the Kebir drainage basin, Algeria

Khanchoul, Kamel; Boukhrissa, Zine El Abidine; Acidi, Abdelhak; Altschul, Robert

doi:10.1016/j.quaint.2010.08.016

Cited by 22 publications

(14 citation statements)

References 19 publications

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“…The watershed is mainly composed of weathered Oligocene sandstone and clay rocks that represent as much as 45% of Kebir basin area. The rest of the lithologic formations are constituted of Mio-Pliocene conglomerate and clay, Cretaceous marl and marly limestone (Khanchoul et al, 2012). Land use is characterized by intense forest associated with sparse shrubs and grasslands that occupy 43% of the basin area.…”

Section: Study Areamentioning

confidence: 99%

Assessment of Sediment Yield Using Swat Model: Case Study of Kebir Watershed, Northeast of Algeria

Khanchoul¹,

Amamra²,

Saaidia³

2020

Big. data. water. resour.

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Erosion is identified as one of the most significant threats to land in increasing rates of soil loss and reservoir sedimentation. An integrated approach therefore requires sediment assessment for identification of its sources for efficient watershed management. The present study is aimed to examine the spatial and temporal sediment yield distribution potential and to identify the critical erosion prone zones within Kebir watershed, Algeria using Soil and Water Assessment Tool interfaced in GIS for the period from 1982 to 2014. The model is calibrated by adjusting sensitive parameters and validation is done using observed data from 1982 to 1998. The model performance checked by the coefficient of determination (0.76), Nash–Sutcliffe coefficient (0.75) and relative error (+8.19%) suggests that the model has performed satisfactorily for sediment yield prediction. The simulated outputs of the model show that the 33-year period of sediment load production is estimated to be 19.24×106 tons and a mean annual sediment yield of 856.14 T/km²/yr. Temporally, sixty-four percent (50%) of sediment yield generated in the watershed occurs in five months of the winter and fall seasons. The most erosion vulnerable sub-basins that could have a significant impact on the sediment yield of the reservoirs are identified. Based on this, sub-basin 16, 14, 13, 11 and 8 are found to be the most erosion sensitive areas that could have a significant contribution, of 50%, to the increment of sediment yield. Best management practices are highly recommended for the land sustainability because of the high sediment supply to the dams.

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Section: Study Areamentioning

confidence: 99%

Assessment of Sediment Yield Using Swat Model: Case Study of Kebir Watershed, Northeast of Algeria

Khanchoul¹,

Amamra²,

Saaidia³

2020

Big. data. water. resour.

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“…For the most part, the watershed is composed of weathered Oligocene sandstone and clay rocks that represent as much as 45% of Kebir basin area. The rest of the lithologic formations are constituted of Mio-Pliocene conglomerate and clay, Cretaceous marl and marly limestone [17]. Land use is characterized by intense forest associated with sparse shrubs and grasslands that occupy 43% of the basin area [17].…”

Section: Study Areamentioning

confidence: 99%

“…The rest of the lithologic formations are constituted of Mio-Pliocene conglomerate and clay, Cretaceous marl and marly limestone [17]. Land use is characterized by intense forest associated with sparse shrubs and grasslands that occupy 43% of the basin area [17]. Dense forests of oak cork and Zeen oak are diffused in the south area of the basin and west of Bougous on poorly developed soils ( Figure 1).…”

Section: Study Areamentioning

confidence: 99%

Water Quality of the Kebir Watershed, Northeast of Algeria

Amamra¹,

Khanchoul²

2019

J. CleanWAS

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Water is a natural resource indispensable not only for the maintenance of human life and health but also for the preservation of all ecosystems and economic activities. At the global level, water is threatened in its quality and quantity by various pollutions such as uncontrolled urban and industrial wastes, excessive use of chemical fertilizers and pesticides in agriculture and the exploitation irrationality of this resource. Water quality in Kebir River has been adversely affected by pollutants usually without any treatment. Chemical and physical degradations are due to agricultural and industrial practices and domestic wastewaters. The aim of the present study is to evaluate water quality of the Kebir and Bougous rivers. The physicochemical parameters are analyzed by using the Titrimetry standard procedure and a Spectrophotometer device. The observed values of different physical and chemical parameters like temperature, pH, electrical conductivity, dissolved oxygen, chloride ions, calcium, magnesium, sulfate, nitrite, nitrate, and ammonium have been also performed. Water is sampled at three study sites with four surveys during 2015 and 2016. The results show the existence of a seasonal variation of the physicochemical element concentrations. Also, there is an eutrophication caused mainly by chemical fertilizers used for agriculture. The present findings alert the inhabitant's sanitation of irrigation water and environmental hygiene, where water quality varies from a moderate pollution state at some sampling stations to a very strong pollution downstream. The used parameters can also be useful when searching deeply for pollution causes and when planning preventive measures for protective purpose.

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“…the sediment rating curve is defined as the statistical relationship between suspended sediment concentration (SSC) and stream discharge (Q) [25]. Several researchers have used SRCs to estimate suspended sediment concentration and/or sediment load for subsequent flux computations in the absence of actual SSC [6,[25][26][27][28].…”

Section: Sediment Rating Curve Developmentmentioning

confidence: 99%

“…Sediment yield from a catchment is an integrated result of all water erosion and transport processes occurring in the entire contributing area [2]. For the different gauged systems, suspended sediment yield was computed from rating curves established from different period term measurement series [3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Assessing Suspended Sediment Yield in the Saf Saf Gauged Catchment, Northeastern Algeria

Khanchoul¹,

Boukhrissa²

2019

Malays. j. geosci.

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Many studies on sediment transport have been carried out on Algerian rivers but few studies have been undertaken in catchments of the Northeast of Algeria. The scarcity or discontinuity on sediment transport measurements reduces knowledge about soil loss. In some cases, researchers find often difficulties to apply the most suitable methods to estimate sediment load. The present work represents an assessment of suspended sediment yield from the Saf Saf catchment (322 km 2) over 39 years. Long-term annual suspended sediment loads are estimated using non-linear power model, developed on mean discharge class technique as a sediment rating curve. There is a challenge to estimate suspended sediment load in the Saf Saf catchment, which is distinguished by rapid discharge variation. A second aim is to examine monthly and annual variations in discharge, suspended concentration, rainfall and load in this river and to find causes for these variations. The results show that the mean annual sediment yield is equal to 477 T km-2 yr-1 during the study period. Moreover, the long term variability analysis of sediment load seems to be very high from year to year depending on climatic conditions. The analysis of annual sediment load shows a decreasing trend along 39 years, mainly from 1997. Most sediment loads are transported during the winter season, which represents 78% of the total sediment load. The understanding of sediment transport relationships gained from this study should provide a good starting point for researchers and policymakers to begin addressing sediment issues within the catchment.

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Estimation of suspended sediment transport in the Kebir drainage basin, Algeria

Cited by 22 publications

References 19 publications

Assessment of Sediment Yield Using Swat Model: Case Study of Kebir Watershed, Northeast of Algeria

Assessment of Sediment Yield Using Swat Model: Case Study of Kebir Watershed, Northeast of Algeria

Water Quality of the Kebir Watershed, Northeast of Algeria

Assessing Suspended Sediment Yield in the Saf Saf Gauged Catchment, Northeastern Algeria

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