Vol2 Paper 3

posted Aug 13, 2018, 4:21 AM by Yaseen Raouf Mohammed   [ updated Sep 4, 2018, 12:59 AM ]
 MULTIVARIATE ANALYSIS OF TRACE ELEMENT CONTAMINATION IN WASTE WATER IRRIGATED SOILS IN THE KURDISTAN REGION OF IRAQ


 Karzan Mohammed Hawrami

 Sulaimani polytechnic university/ Technical institute of Halabja.

 Abdol baset Karim Baset

 Sulaimani polytechnic university/ College of applied science

 School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK


 ABSTRACT
The aims of this study were to evaluate trace element levels in soil in Kurdistan region of Iraq and to evaluate spatial distribution of trace elements using multivariate analysis. A field survey was conducted in Sulaymanyah province in November 2012. For these purpose seven areas in and around five cities (Halabja, Sulaymanyah, Kalar, Sirwan and Khurmal) were selected. Approximately 150 soil samples were collected and analyzed for total contents of 10 elements, using Inductively Coupled Plasma Mass Spectrometry (ICPMS). The soils are calcareous (pH 7. 5 - 8.18) with total carbon (TOC) contents between 1.4 and 5.47%. In general, the concentrations of trace elements were found in order of Ni> Zn> Cr>V>Cu> Pb>Co>U> Mo>Cd. Although relatively high concentrations of Ni and Cr were found at all sampling areas, mean concentrations of elements in the soils were all below the soil guideline values (SGV). Higher concentrations of some PTEs including Co, Ni, Cu, Zn,Cd and Pb were found at Halabja waste disposal area (HALW) compared to the rest of sampledareas. Multivariate statistical analysis separated the elements into two clusters. First, Mg-Ni-K-Al-Cs-V-Fe-Co-U-Mn-Cr-As-Se which was controlled by geogenic soil forming factorsand the second, Cu-Cd-Zn-Pb was controlled by human activities.

 Keywords:
Multivariate analysis, soil contamination, Trace elements, waste water and principle component analysis.



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