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Article Dans Une Revue Environmental Monitoring and Assessment Année : 2014

Metal binding in soil cores and sediments in the vicinity of a dammed agricultural and industrial watershed

Résumé

The environment is witnessing a downgrade caused by the amelioration of the industrial and agricultural sectors, namely, soil and sediment compartments. For those reasons, a comparative study was done between soil cores and sediments taken from two locations in the Qaraaoun reservoir, Lebanon. The soil cores were partitioned into several layers. Each layer was analyzed for several physicochemical parameters, such as functional groups, particle size distribution, ζ-potential, texture, pH, electric conductivity, total dissolved solids, organic matter, cation exchange capacity, active and total calcareous, available sodium and potassium, and metal content (cadmium, copper, and lead). The metal content of each site was linked to soil composition and characteristics. The two sites showed distinguishable characteristics for features such as organic matter, pH, mineral fraction, calcareous, and metal content. The samples taken toward the south site (Q1), though con- tain lower organic matter than the other but are more calcareous, showed higher metal content in comparison to the other site (Q2) (average metal content ofQ1 > Q2; for Cd 3.8>1.8 mg/kg, Cu 28.6>21.9 mg/kg, Pb 26.7> 19 mg/kg). However, the metal content in this study did not correlate as much to the organic matter; rather, it was influenced by the location of the samples with respect to the dam, the reservoir’s hydrodynamics, the calcareous nature of the soil, and the variation of the industrial and agricultural influence on each site.
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Dates et versions

hal-01625286 , version 1 (28-12-2022)

Identifiants

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Hussein Jaafar Kanbar, Nour Hanna, Antoine G. El Samrani, Veronique Kazpard, Ahmad Kobaissi, et al.. Metal binding in soil cores and sediments in the vicinity of a dammed agricultural and industrial watershed. Environmental Monitoring and Assessment, 2014, 186 (12), pp.8793 - 8806. ⟨10.1007/s10661-014-4044-7⟩. ⟨hal-01625286⟩
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