. Postel, . Sd-g, and . P. Ehrlich, Human Appropriation of Renewable Fresh Water, Science, vol.271, issue.5250, 1996.
DOI : 10.1126/science.271.5250.785

. Vineis, Q. Pc, and A. Khan, Climate change impacts on water salinity and health, Journal of Epidemiology and Global Health, vol.1, issue.1, pp.5-10, 1996.
DOI : 10.1016/j.jegh.2011.09.001

H. Schoenfuss, J. Levitt, R. Rai, M. Julius, and D. Martinovic, Treated Wastewater Effluent Reduces Sperm Motility Along an Osmolality Gradient, Archives of Environmental Contamination and Toxicology, vol.203, issue.3, pp.397-407, 2009.
DOI : 10.1007/s00244-008-9219-1

N. Y. Dp, . Sf, and . Un, Liban : Etude des Eaux Souterraines, UNDP, 1970.

N. Beschorner, Water and Industry in the Middle East, 1992.

M. Jurdi, S. I. Korfali, Y. Karahagopian, and B. E. Davies, Evaluation of water quality of the Qaraaoun Reservoir, Lebanon: Suitability for multipurpose usage, Environmental Monitoring and Assessment, vol.71, pp.11-30, 2002.

Z. Hajjar, Lebanese waters and peace in the Middle East, Dar Al-Elim IL-Mallein, 1997.

M. Khawli, The balance of natural resources within the environment in Lebanon, Man and the Environment in, pp.51-84, 1991.

K. J. Sene, T. J. Marsh, and A. Hachache, An assessment of the difficulties in quantifying the surface water resources of Lebanon. Hydrological Sci, J, vol.44, issue.1, pp.79-96, 1999.

K. Khair, The Litani River; geologic and hydrologic study In Proceedings of the workshop on water af fairs in Lebanon and peace-process in project series of Lebanon life studies-5, pp.81-162, 1993.

K. Owaydah, Actual irrigation plans of Litani River af fairs in Lebanon and peace-process project series of Lebanon life studies-5, Proceedings of the workshop on water, pp.127-149, 1993.

S. Korfali and M. Jurdi, Speciation of metals in bed sediments and water of Qaraaoun Reservoir, Lebanon, Environmental Monitoring and Assessment, vol.5, issue.211, pp.563-579, 2011.
DOI : 10.1023/A:1009679819002

. Bruce, S. Ds, and . Wayne, Drinking Water: Iron and Manganese, 2014.

. Weldemariam, M (2013) Physico-chemical Analysis of GudBahri River Water of Wukro, Eastern Tigrai, Ethiopia, International Journal of Scientific and Research Publications, vol.3, pp.3-47

. Divya and L. Jb, Impact of chemical fertilizers on water quality in selected agricultural areas of Mysore district, Karnataka, India, International Journal of Environmental Sciences, vol.2, issue.3, pp.1450-1498, 2012.
DOI : 10.6088/ijes.00202030030

. Chauhan and . Bs, Impact of Pollutants on Water Quality of River Sutlej in Nangal Area of Punjab, India. Biological Forum, vol.549, p.10, 2013.

. Janardhana, B. Rh, . Swami, and . Sumithra, S (2013) Physico-Chemical Characteristics of Ground Water of Vuyyuru, Part of East Coast of India, Universal Journal of Environmental Research and Technology, vol.350, p.8

. Janeshwar, G. Ys, . Chouhan, and . Bhatore, A (2013) Studies of Physicochemical Parameters of Water and Locked Soil of, Narawala Reservoir of District Badwani M.P

. Chauhan, Physico-Chemical Analysis of Untreated Sewage Water of Ladwa town of Kurukshetra District of Haryana and Need of Waste Water Treatment Plant, International journal of current microbiology and applied sciences, vol.3, pp.7-52, 2014.

. Muwanga and E. Ab, Impact of industrial activities on heavy metal loading and their physico-chemical effects on wetlands of lake victoria bassin (Uganda), African Journal of Science and Technology, issue.7, pp.12-53, 2006.

. Jurin, M. Ii, . Vdovic, . Troskot-corbic, . Lojen et al., I (2015) Deposition of trace metals in sediments of the deltaic plain and adjacent coastal area (the Neretva River, Journal of Geochemical Exploration, vol.15754, p.11

. Cicchella, L. Dg, . Lima, . Albanese, . Cosenza et al., B (2013) Assessment of the topsoil heavy metals pollution in the Sarno River bassin , south Italy, Environmental Earth Sciences, vol.71, pp.14-55

. M. Milovanovic, Water quality assessment and determination of pollution sources along the Axios/Vardar River, Southeastern Europe. Desalination 14, 2007.

. El-fadel, . Mb, and . Makki, Water quality assessment of the upper litani river bassin and lake qaraoun lebanon. Water and Environment Sustainable Solutions, 2003.

K. Sj and M. Davies, Variation of metals in bed sediments of qaraaoun reservoir, lebanon, Environmental Monitoring and Assessment, vol.11558, p.12, 2006.

. Shaban and . An, Pollution in qaraaoun lake, central lebanon, journal of environmental hydrology, vol.1559, p.11, 2007.

. Nehme, C. Nh, . Koubaissy, . Fakih, . Awad et al., T (2014) The distribution of heavy metals in the Lower River, Physics Procedia, vol.5560, p.7

. Wang, P. Xj, . Zhao, and . Meng, Classification of contaminants and treatability evaluation of domestic wastewater, Frontiers of Environmental Science & Engineering in China, vol.12, issue.11, pp.5-61, 2007.
DOI : 10.1007/s11783-007-0011-7

. Saadeh, L. Ms, and . Amacha, N (2012) Physicochemical Evaluation of the Upper Litani River Watershed, The Scientific World Journal, vol.2012, pp.8-62

Z. Hajjar, Lebanese waters and peace in the Middle East, Dar Al-Elim IL-Mallein, 1997.

Y. Enzal, R. Amit, U. Dyana, O. Crouvi, R. Kahana et al., The climatic and physiographic controls of the eastern Mediterranean over the late Pleistocene climates in the southern Levant and its neighboring deserts, Global and Planetary Change, vol.60, issue.3-4, pp.3-4, 2008.
DOI : 10.1016/j.gloplacha.2007.02.003

A. Saab and A. , Etude quantitative et qualitative du phytoplancton des eaux côtières libanaises, Leb. Sci. Bull, vol.165, issue.2, pp.197-222, 1985.

E. Abd and I. , Statics and dynamics of water in the Syro-Lebanese limestone massif, 1953.

. M. Chalhoub, P. Vachier, Y. Coquet, T. Darwish, L. Dever et al., Caractérisation des propriétés hydrodynamiques d'un sol de la Bekaa (Liban) sur les rives du fleuve Litani. Etude et gestion des sols, pp.16-19, 2009.

V. Lenoble, Elimination de l'Arsenic pour la production d'eau potable, 2003.
URL : https://hal.archives-ouvertes.fr/tel-00105947

F. Fu, Removal of heavy metal ions from wastewaters: A review, Journal of Environmental Management, vol.92, issue.3, pp.407-418, 2011.
DOI : 10.1016/j.jenvman.2010.11.011

R. National and . Council, Committee on Medical and Biologic Effects of Environmental Pollutants, Chromium. National Academy of Sciences, 1973.

Y. Ku and I. L. Jung, Photocatalytic reduction of Cr(VI) in aqueous solutions by UV irradiation with the presence of titanium dioxide, Water Research, vol.35, issue.1, pp.135-142, 2001.
DOI : 10.1016/S0043-1354(00)00098-1

S. Y. Kang, J. U. Lee, S. H. Moon, and K. W. Kim, Competitive adsorption characteristics of Co2+, Ni2+, and Cr3+ by IRN-77 cation exchange resin in synthesized wastewater, Chemosphere, vol.56, issue.2, pp.141-147, 2004.
DOI : 10.1016/j.chemosphere.2004.02.004

A. M. Shahalam, A. Harthy, and A. Al-zawhry, Feed water pretreatment in RO systems: unit processes in the middle east, Desalination, vol.150, issue.3, pp.235-245, 2002.
DOI : 10.1016/S0011-9164(02)00979-7

E. Erdem, The removal of heavy metal cations by natural zeolites, journal of colloid and interface sciences, pp.309-314, 2004.
DOI : 10.1016/j.jcis.2004.08.028

N. Boutemine, Elimination des impuretés métalliques des eux, 2008.

J. Wilson, Adsorption of heavy metals by natural charcoal (bone charcoal): its potential as a water treatement clean up

B. C. Le and C. P. , Experimental data modelling using classical models and neural networks, Chemical Engineering Science, vol.55, pp.2767-277, 2000.

F. Mardini, Etude de ladsooptio du pestiide Boail su hao

J. Wilson, adsorption of heavy metals by natural charcoal(bone charcoal): its potential as a water treatement clean up

R. Capart and L. *. Khezami, Adsorption de chrome (VI) sur charbon actif, Etude paramétrique, vol.92, issue.2, 2005.

B. Kelly and T. M. Payne, Adsorption of Arsenate and, Journal of Environmental Science and Health, pp.723-749, 2005.

H. Isam and . Aljundi, A study of characteristics of activated carbon produced, J. Anal. Appl. Pyrolysis, vol.81, pp.33-36, 2008.

V. Perrin, ?. , M. L. Mati, G. Taha, S. Sat-aaa et al., Thse de luieesit de Poitiees, . [120] ), pp.1109-1118

K. Lászlo, colloids and surface A: physicochem, Eng. Aspects, vol.265, issue.32, 2005.

K. Nakagawa, A. Namba, P. Ariayadejwanich, and W. Tanthapanichakoon, Adsorption of phenol and reactive dye from aqueous solution on activated carbons derived from solid wastes, Water Research, vol.38, issue.7, p.1791, 2004.
DOI : 10.1016/j.watres.2004.01.002

X. Zhou, Study on adsorption of heavy metal ion in metallurgical wastewater by sepiolite, 2011 2nd International Conference on Environmental Science and Development, 2011.

E. Erdem, The removal of heavy metal cations by natural zeolites, journal of colloid and interface sciences, pp.309-314, 2004.
DOI : 10.1016/j.jcis.2004.08.028

S. Kocaobaa, Heavy metal adsorption by clinoptilolite from aqueous solutions, 2010.

R. Baccara, Preparation of activated carbon from Tunisian olive-waste cakes and its, journal of Hazardous Materials, pp.1522-1529, 2009.

. Sheng-fong, Adsorption capacity and removal efficiency of heavymetal ions by Moso and Ma bamboo activatedcarbons, 2011.

L. Khezami, Production and characterisation of activatedcarbon from wood components in powder: Cellulose, lignin, xylan," pwder of technology, pp.48-56, 2005.

S. Akhtar and R. Qadeer, Active Carbon as an Adsorbent for Lead Ions, Adsorption Science & Technology, vol.24, issue.10, pp.10-815, 1997.
DOI : 10.1016/0016-7061(80)90062-2

T. Ferreira-de-oliveira, O. Chedeville, C. B. Desalination, and H. F. , Degradation kinetics of DEP in water by ozone/activated carbon process: Influence of pH, Desalination, vol.269, issue.1-3, pp.1-3, 2011.
DOI : 10.1016/j.desal.2010.11.013

G. Bereket and A. Aroguz, Removal of Pb(II), Cd(II), Cu(II), and Zn(II) from Aqueous Solutions by Adsorption on Bentonite, Journal of Colloid and Interface Science, vol.187, issue.2, pp.338-343, 1997.
DOI : 10.1006/jcis.1996.4537

B. Koubaissy, J. Toufaily, W. Diab, T. Hamieh, G. Joly et al., Phenols Drifts Removal Mechanisms By Adsorption : Influence Of Natural Organic Matter Concentration, Eight International Conference on Material Sciences (CSM8-IMS5), 2012.

W. Diab, F. Joumana-toufaily, B. Villieras, H. Koubayssi, H. Mortada et al., Tayssir Hamieh: Study of Physicochemical Properties of Colloidal Sediments of Litani River in Lebanon, Physics Procedia, vol.12, issue.55, pp.251-258, 2014.

W. Diab and J. Toufaily, Frédéric Villieras Houssein Mortada , Thibault Roques- Carmes, Tayssir Hamieh Total and Extractable Trace Elements in Upper Litani River Sediments, 2016.

W. Diab, J. Toufaily, F. Villieras, H. Lakiss, T. Roques-carmes et al., Qualitative Analysis of Clay Minerals in Sediments of the Litani River by X-ray Diffraction Method, 9th International Conference on Material Sciences (CSM9), Editor Tayssir Hamieh, 2015.

. Walaa, J. Diab, F. Toufaily, H. Villieras, T. Lakiss et al., Hamieh: Total and Extractable Trace Elements in Upper Litani River Sediments, 9th International Conference on Material Sciences (CSM9), Editor Tayssir Hamieh, 2015.

K. Bachar, J. Toufaily, W. Diab, T. Hamieh, G. Joly et al., Phenols Drifts Removal Mechanisms By Adsorption: Influence Of Natural Organic Matter Concentration, Eight International Conference on Material Sciences (CSM8-IMS5), p.155, 2012.

R. Antweiler, D. Goolsby, and H. Taylor, Nutrients in the Mississippi River, Contaminants in the Mississippi River, pp.53-71, 1987.

T. Beach, The fate of eroded soils: sediment sinks and sediment budgets of agrarian landscapes in southern Minnesota, Assoc Amer Geog Annals, vol.84, issue.1, pp.1851-19885, 1994.

G. F. Birch, S. E. Taylor, and C. Matthai, Small-scale spatial and temporal variance in the concentration of heavy metals in aquatic sediments: a review and some new concepts, Environmental Pollution, vol.113, issue.3, pp.357-372, 2001.
DOI : 10.1016/S0269-7491(00)00182-2

F. Botsou, A. P. Karageorgis, E. Dassenakis, and M. Scoullos, Assessment of heavy metal contamination and mineral magnetic characterization of the Asopos River sediments (Central Greece), Marine Pollution Bulletin, vol.62, issue.3, pp.547-563, 2011.
DOI : 10.1016/j.marpolbul.2010.11.029

F. Botsou, S. E. Poulos, M. Dassenakis, and M. Scoullos, Estimation of surface runoff of Asopos River to the S. Evoikos Gulf, Proceedings of the Eighth International Hydrogeological Congress of Greece, 2008.

T. H. Fang, J. Y. Li, H. M. Feng, and H. Y. Chen, Distribution and contamination of trace metals in surface sediments of the East China Sea, Marine Environmental Research, vol.68, issue.4, pp.178-187, 2006.
DOI : 10.1016/j.marenvres.2009.06.005

URL : https://hal.archives-ouvertes.fr/hal-00563083

J. Garbarino, H. Hayes, D. Roth, R. Antweiler, T. Brinton et al., Heavy metals in the Mississippi River, Contaminants in the Mississippi River, pp.53-71, 1987.

R. Gibbs, The Geochemistry of the Amazon River System: Part I. The Factors that Control the Salinity and the Composition and Concentration of the Suspended Solids, Geological Society of America Bulletin, vol.78, issue.10, pp.1203-1235, 1967.
DOI : 10.1130/0016-7606(1967)78[1203:TGOTAR]2.0.CO;2

G. Gilbert, Hydraulic-mining debris in the Sierra Nevada, Prof Pap-Geol Surv (U S, vol.105, 1917.

A. J. Horowitz and K. A. Elrick, The relation of stream sediment surface area, grain size and composition to trace element chemistry, Applied Geochemistry, vol.2, issue.4, pp.437-451, 1987.
DOI : 10.1016/0883-2927(87)90027-8

T. A. Jackson, The biogeochemical and ecological significance of interactions between colloidal minerals and trace metals, Environmental Interactions of Clays, pp.93-205, 1998.

M. Kersten and F. Smedes, Normalization procedures for sediment contaminants in spatial and temporal trend monitoring, Journal of Environmental Monitoring, vol.4, issue.1, pp.109-115, 2002.
DOI : 10.1039/b108102k

J. Knox, Agricultural disturbance in the Driftless Area. Catena, pp.193-224, 2001.

R. Meade, T. Yuzyk, and T. Day, Movement and storage of sediment in rivers of the United States and Canada, The geology of North America, pp.255-80, 1990.
DOI : 10.1130/DNAG-GNA-O1.255

C. V. Miller, G. D. Foster, and B. F. Majedi, Baseflow and stormflow metal fluxes from two small agricultural catchments in the Coastal Plain of the Chesapeake Bay Basin, United States, Applied Geochemistry, vol.18, issue.4, pp.483-501, 2003.
DOI : 10.1016/S0883-2927(02)00103-8

R. Nicolau, A. Galera-cunha, and Y. Lucas, Transfer of nutrients and labile metals from the continent to the sea by a small Mediterranean river, Chemosphere, vol.63, issue.3, pp.469-476, 2006.
DOI : 10.1016/j.chemosphere.2005.08.025

D. Z. Piper, J. S. Steve-ludington, H. E. Duval, and . Taylor, Geochemistry of bed and suspended sediment in the Mississippi river system: Provenance versus weathering and winnowing, Science of The Total Environment, vol.362, issue.1-3, pp.179-204, 2006.
DOI : 10.1016/j.scitotenv.2005.05.041

O. Radakovitch, V. Roussiez, P. Ollivier, W. Ludwig, C. Grenz et al., Input of particulate heavy metals from rivers and associated sedimentary deposits on the Gulf of Lion continental shelf, Estuarine, Coastal and Shelf Science, vol.77, issue.2, pp.285-295, 2008.
DOI : 10.1016/j.ecss.2007.09.028

URL : https://hal.archives-ouvertes.fr/hal-00691681

K. Rice, Trace-Element Concentrations in Streambed Sediment Across the Conterminous United States, Environmental Science & Technology, vol.33, issue.15, pp.2499-504, 1999.
DOI : 10.1021/es990052s

R. Russell, Mineral composition of Mississippi River sands, Geological Society of America Bulletin, vol.48, issue.9, pp.1307-1355, 1937.
DOI : 10.1130/GSAB-48-1307

H. Taylor, J. Garbarino, and T. Brinton, The occurrence and distribution of trace metals in the Mississippi River and its tributaries, Science of The Total Environment, vol.97, issue.98, pp.369-84, 1990.
DOI : 10.1016/0048-9697(90)90251-O

R. Turner and N. Rabalais, Linking landscape and water quality in the Mississippi River Bassin for 200 years, BioScience, pp.53-563, 2003.

H. Akcay, A. Oguz, and C. Karapire, Study of heavy metal pollution and speciation in Buyak Menderes and Gediz river sediments, Water Research, vol.37, issue.4, pp.813-822, 2003.
DOI : 10.1016/S0043-1354(02)00392-5

M. Alexander, Introduction to soil microbiology, p.467, 1977.

P. Álvarez-iglesias and B. Rubi, Redox status and heavy metal risk in intertidal sediments in NW Spain as inferred from the degrees of pyritization of iron and trace elements, Marine Pollution Bulletin, vol.58, issue.4, pp.542-551, 2009.
DOI : 10.1016/j.marpolbul.2008.11.026

A. and A. Wpcf, Standard methods for the examination of water and wastewater, 1992.

N. K. Baruah, P. Kotoky, K. G. Bhattcharyya, and G. C. Borah, Metal speciation in Jhanji River sediments, Science of The Total Environment, vol.193, issue.1, pp.1-12, 1996.
DOI : 10.1016/S0048-9697(96)05318-1

N. Beschorner, Water and Industry in the Middle East, Adelphi Paper-273, 1992.

S. A. Carrol, P. A. Day, and M. P. Piechowski, Rock???Water Interactions Controlling Zinc, Cadmium, and Lead Concentrations in Surface Waters and Sediments, U.S. Tri-State Mining District. 2. Geochemical Interpretation, Environmental Science & Technology, vol.32, issue.7, pp.956-965
DOI : 10.1021/es970452k

H. D. Chapman, Metodos de analisis de suelos, plantas y aguas, 1991.

D. Chapman, Water quality assessments, 1992.

G. Cherier, Infiltration-percolation des eaux residuaires, These de doctorat, Sciences de l'eau, p.129, 1991.

R. D. Delaune, T. Guo, W. H. Patrick, and . Jr, The effect of sediment redox chemistry on solubility/ chemically active forms of selected metals in bottom sediments receiving produced water discharge, Spill Science & Technology Bulletin, vol.4, issue.3, pp.165-175, 1997.

U. Förstner, W. Ahlf, W. Calmano, M. Kersten, and J. Schoer, Assessment of mobilityin sludges and solid wasres, Metal specaition in the environment. NATO ASI Series Series G, Ecological Sciences, pp.1-41, 1990.

K. Fytianos and A. Lourantou, Speciation of elements in sediment samples collected at lakes Volvi and Koronia, N. Greece, Environment International, vol.30, issue.1, pp.11-17, 2004.
DOI : 10.1016/S0160-4120(03)00143-0

R. P. Gambrell, Trace and Toxic Metals in Wetlands???A Review, Journal of Environment Quality, vol.23, issue.5, pp.883-891, 1994.
DOI : 10.2134/jeq1994.00472425002300050005x

X. Gao, S. Chen, and A. Long, Chemical speciation of 12 metals in surface sediments from the northern South China Sea under natural grain size, Marine Pollution Bulletin, vol.56, issue.4, pp.770-797, 2008.
DOI : 10.1016/j.marpolbul.2008.01.004

R. J. Gibbs, Transport phases of transition metals in the Amazon and Yukon Rivers, Geological Society of America Bulletin, vol.88, issue.6, pp.829-843, 1977.
DOI : 10.1130/0016-7606(1977)88<829:TPOTMI>2.0.CO;2

R. P. Grambrell, J. B. Wiesepape, W. H. Patrick, . Jr, and M. C. Duff, The effects of pH, redox, and salinity on metal release from a contaminated sediment, Water, Air and Soil Pollution, vol.5758, pp.359-367, 1991.

T. Z. Guo, R. D. Delaune, and W. H. Patrick, The effect of sediment redox chemistry on solubility/chemically active forms of selected metals in bottom sediment receiving produced water discharge, Spill Science & Technology Bulletin, vol.4, issue.3, pp.165-175, 1997.
DOI : 10.1016/S1353-2561(98)00013-9

Z. Hajjar, Lebanese waters and peace in the Middle East, Dar Al-Elim IL-Mallein, 1997.

C. Ianni, E. Magi, P. Rivaro, and N. Ruggieri, Trace metals in Adriatic coastal sediments: Distribution and speciation pattern, Toxicological & Environmental Chemistry, vol.87, issue.1-2, pp.73-92, 2000.
DOI : 10.1021/ac50043a017

C. Izquierdo, J. Usero, and I. Gracia, Speciation of heavy metals in sediments from salt marshes on the southern Atlantic coast of Spain, Marine Pollution Bulletin, vol.34, issue.2, pp.123-128, 1997.
DOI : 10.1016/S0025-326X(96)00059-8

B. Jones and A. Turki, Distribution and speciation of heavy metals in surficial sediments from the Tees Estuary, north-east England, Marine Pollution Bulletin, vol.34, issue.10, pp.768-779, 1997.
DOI : 10.1016/S0025-326X(97)00047-7

M. Jurdi, A National Study on the Quality of Potable Water in Lebanon, Proceedings of the National Workshop of the Status of Water in Lebanon, pp.145-173

M. Jurdi, Follow up National Environmental Surveillance, 1996.

M. Jurdi, S. I. Korfali, Y. Karahagopian, and B. E. Davies, A prototype study for the management of surface water resources, Lebanon, Water Policy, vol.3, issue.1, pp.41-46, 2001.
DOI : 10.1016/S1366-7017(00)00029-5

M. Jurdi, S. I. Korfali, Y. Karahagopian, and B. E. Davies, Evaluation of water quality of the Qaraaoun Reservoir, Lebanon: Suitability for multipurpose usage, Environmental Monitoring and Assessment, vol.71, pp.11-30, 2002.

K. Khair, The Litani River; geologic and hydrologic study In Proceedings of the workshop on water af fairs in Lebanon and peace-process in project series of Lebanon life studies-5, pp.81-162, 1993.

M. Khawli, The balance of natural resources within the environment in Lebanon, Man and the Environment in, pp.51-84, 1991.

M. K?avi??, A. Briede, V. Rodi, I. Kokorite, E. Parele et al., Heavy metals in rivers of Latvia???, Science of The Total Environment, vol.262, issue.1-2, pp.175-183, 2000.
DOI : 10.1016/S0048-9697(00)00597-0

S. Korfali and M. Jurdi, Speciation of metals in bed sediments and water of Qaraaoun Reservoir, Lebanon, Environmental Monitoring and Assessment, vol.5, issue.211, pp.563-579, 2011.
DOI : 10.1023/A:1009679819002

S. I. Korfali and B. E. Davies, Total and extractable trace elements in Lebanese river sediments; Dry season data, Environmental Geochemistry and Health, vol.22, issue.4, pp.265-273, 2000.
DOI : 10.1023/A:1006791930010

B. Marin, M. Valladon, and M. Polve, Reproducibility testing of a sequential extraction scheme for the determination of trace metal speciation in a marine reference sediment by inductively coupled plasma-mass spectrometry, Analytica Chimica Acta, vol.342, issue.2-3, pp.91-112, 1997.
DOI : 10.1016/S0003-2670(96)00580-6

O. Nilsson and J. Sternbeck, A mechanistic model for calcite crystal growth using surface speciation, Geochimica et Cosmochimica Acta, vol.63, issue.2, pp.217-255, 1999.
DOI : 10.1016/S0016-7037(99)00026-5

O. Day, P. A. Carrol, S. A. Waychunas, and G. A. , Rock???Water Interactions Controlling Zinc, Cadmium, and Lead Concentrations in Surface Waters and Sediments, U.S. Tri-State Mining District. 1. Molecular Identification Using X-ray Absorption Spectroscopy, Environmental Science & Technology, vol.32, issue.7, pp.943-955
DOI : 10.1021/es970453c

K. Owaydah, Actual irrigation plans of Litani River In Proceedings of the workshop on water af fairs in Lebanon and peace-process project series of Lebanon life studies-5, pp.127-149, 1993.

R. Pardo, E. Barrado, and Y. Castrillejo, Study of the Contents and Speciation of Heavy Metals in River sediments By Factor Analysis, Analytical Letters, vol.8, issue.8, pp.1719-1739, 1993.
DOI : 10.1021/bk-1977-0052.ch005

M. Piron, A. Pineau, and R. M. Mabele, Sediment parameters and distribution of metals in fine sediments of the Loire esturary. Water, Air, Soil Poll, pp.267-277, 1990.

L. Ramos, L. M. Hernandez, and M. J. Gonzalez, Sequential Fractionation of Copper, Lead, Cadmium and Zinc in Soils from or near Do??ana National Park, Journal of Environment Quality, vol.23, issue.1, pp.50-57, 1994.
DOI : 10.2134/jeq1994.00472425002300010009x

G. Rauret, R. Rubio, J. F. López-sánchez, and E. Casassas, Determination and speciation of copper and lead in sediments of a Mediterranean river (River Tenes, Catalonia, Spain), Water Research, vol.22, issue.4, pp.449-455, 1988.
DOI : 10.1016/0043-1354(88)90039-5

R. J. Reeder, Interaction of divalent cobalt, zinc, cadmium, and barium with the calcite surface during layer growth, Geochimica et Cosmochimica Acta, vol.60, issue.9, pp.1543-1552, 1996.
DOI : 10.1016/0016-7037(96)00034-8

R. Rubio, J. F. López-sánchez, and G. Rauret, La especiatión solida de trazas de metals en sedimentos. Aplicación a sedimentos muy contaminados, Analytica de Quimica, vol.87, pp.599-605, 1991.

W. Salomons and U. Forstner, Metals in the Hydrocycle, 1984.
DOI : 10.1007/978-3-642-69325-0

V. Samanidou and K. Fytianos, Partitioning of heavy metals into selective chemical fractions in sediments from rivers in northern Greece. The Science of Total Environment, pp.279-285, 1987.

K. J. Sene, T. J. Marsh, and A. Hachache, An assessment of the difficulties in quantifying the surface water resources of Lebanon, Hydrological Sciences Journal, vol.9, issue.1, pp.79-96, 1999.
DOI : 10.1023/A:1007952319495

A. Stephenson, I. Labounskaia, and R. Stringer, 1998: Heavy Metal and Organic Screen Analysis of Environmental and Waste Samples Associated with Industrial Activities in Lebanon, 1997.

Z. Stepniewsks and K. Bucior, Chromium contamination of soils, waters and plants in the vicinity of tannery waste lagoon, Environmental Geochemistry and Health, vol.23, issue.3, pp.241-245, 2001.
DOI : 10.1023/A:1012247230682

M. Stone and I. G. Droppo, Distribution of lead, copper and zinc in size-fractionated river bed sediment in two agricultural catchments of southern Ontario, Canada, Environmental Pollution, vol.93, issue.3, pp.353-362, 1996.
DOI : 10.1016/S0269-7491(96)00038-3

W. Stumm and J. J. Morgan, Aquatic chemistry, chemical equilibria and rates in natural waters Trace metals: Cycling, regulation, and biological role, 1996.

A. Tessier, P. G. Campell, and M. Bisson, Sequential extraction procedure for the speciation of particulate trace metals, Analytical Chemistry, vol.51, issue.7, pp.844-851, 1979.
DOI : 10.1021/ac50043a017