TITLE

Trace Elements Hydrochemistry and Suitability of the Groundwater in Wadi An Numan Area, Makkaah District, Western Arabian Shield, Saudi Arabia

AUTHOR(S)
Sharaf, M.
PUB. DATE
July 2013
SOURCE
Arabian Journal for Science & Engineering (Springer Science & Bu;Jul2013, Vol. 38 Issue 7, p1871
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This paper aims to study the rare and trace elements and the suitability of the groundwater of wadi An Numan, south of Makkah, Saudi Arabia. Detailed investigations have been carried out concerning the hydrological and hydrochemical of wadi An Numan area. The study area comprises crystalline and metamorphic rocks and Quaternary wadi fill sediments. The groundwater is mainly present in the Quaternary sedimentary fills which range in thickness from 3 to 15 m in upstream areas to more than 50 m in the downstream. Hydrologically, the annual rainfall in wadi An Numan is irregular and varies from year to year. As, Mo, Zn, P, Pb, Co, Cd, Ni, Ba, Fe, B, Si, Hg, Mn, Cr, V, Bi, Cu, U, Al, Li, Rb, Au, Cr, Sr, F, and NH are the main rare and trace elements analyzed in the groundwater samples. Distribution maps were constructed to illustrate the variations of these elements all over the studied sub-basins of wadi An Numan. In addition, the variation diagrams between these elements are also deduced and described. The chemical analyses show that the groundwater is only enriched with nitrate (NO) ions and it is suitable for agricultural and industrial uses based on the international standards and indices used for irrigation and industrial waters.
ACCESSION #
88005861

 

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