Hydrogeochimie des retenues de barrage Imfout, Daourat et Sidi Maachou (Maroc) Hydrogeochemistry of reservoirs of Imfout, Daourat and Sidi Maachou dams (Morocco)

Authors: Benzha, F.¹; Hilali, A.¹; Zidane, F.²

Source: Environmental Technology, Volume 30, Number 9, August 2009 , pp. 969-983(15)

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Abstract:

Un suivi, des parametres physicochimiques de l'eau, nutriments et chlorophylle, a ete effectue. Aussi, de la caracteristique granulometrique et physicochimique du sediment. Des tests de fixation et relargage du phosphore ont ete elabores. On note des fluctuations des parametres physicochimiques, des rapports fonctionnels, l'implication de la fraction minerale dans la mobilite du phosphore a l'interface eau-sediment, l'impact du pH et une dynamique interne du phosphore dans le sediment. Mots cles: hydrogeochimie; parametres physicochimiques; phosphore; interface eau-sediment; mobilite interne Monitoring of the physico-chemical parameters of the water, nutriments and chlorophyll was carried out. Also, of the grading and physico-chemical characteristic of the sediment. Tests of fixation and salting out of phosphor were undertaken. Fluctuations were noted in the physico-chemical parameters, the functional reports, the involvement of the mineral fraction in the mobility of the phosphor in the water-sediment interface, the impact of the pH and an internal dynamic of the phosphor in the sediment.

Keywords: hydrogeochemistry; physico-chemical parameters; phosphor; water-sediment interface; internal mobility

Document Type: Research article

DOI: http://dx.doi.org/10.1080/09593330903002314

Affiliations: 1: Departement de geologie, Universite Hassan II, Faculte des Sciences Ain Chock, Casablanca, Maroc 2: Departement de chimie, Universite Hassan II, Faculte des Sciences Ain Chock, Casablanca, Maroc

Publication date: 2009-08-01