EXPLORING DISTRIBUTION OF HEAVY METALS IN WASTEWATER-IRRIGATED AGRICULTURAL SOIL USING KRIGING METHOD AND HYDRUS MODEL (CASE STUDY: SOUTH OF TEHRAN)

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ABBASI Y.; MIRZAEI F.; SOHRABI T.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2018 | Volume:11 | Issue:3 Page(s): 351-364

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Title

EXPLORING DISTRIBUTION OF HEAVY METALS IN WASTEWATER-IRRIGATED AGRICULTURAL SOIL USING KRIGING METHOD AND HYDRUS MODEL (CASE STUDY: SOUTH OF TEHRAN)

Author(s)

ABBASI Y. | MIRZAEI F. | SOHRABI T. | Issue Writer Certificate

Keywords

WASTEWATERQ1

HEAVY METALSQ1

KRIGINGQ1

HYDRUSQ1

HEAVY METALS DEEP PERCOLATIONQ1

Abstract

Background and ObjectiveThe main objective of this study was to evaluate the surface and deep distribution of Pb, Ni and Cu in the WASTEWATER-irrigated area of south of Tehran using GIS and HYDRUS. It was expected to find a comprehensive information of HEAVY METALS distribution and their accumulation in the soil. Materials and MethodsThis study was carried out in WASTEWATER-irrigated area of south of Tehran. Soil sampling from the top surface layer (0-15 cm) and WASTEWATER channels was done. After sample analysis, ordinary KRIGING method using different variogram in GIS was applied to explore the surface distribution of Ni, Pb and Cu HEAVY METALS. Moreover, the deep percolation of HEAVY METALS in the soil profile was simulated by HYDRUS-1D in a duration of 210 days and the HEAVY METALS concentrations in the soil were estimated. ResultsExploration of the distribution of Pb using spherical model showed that the variation of this element was in the range of 20-70 mg/kg. This amount varied to 50-60 mg/kg for Cu and about 30 mg/kg for Ni. Moreover, the simulation of HEAVY METALS deep percolation using HYDRUS revealed that the most accumulation of HEAVY METALS happened in the 0-15 cm soil surface layer and for deeper layer, this trend was descending. ConclusionComparing the concentration of Pb, Cu and Ni with the maximum allowable amounts of WHO standards demonstrated that Pb concentration was more than the threshold limit. Finally, the applied models could simulate soil’ s HEAVY METALS content for both surface and deep distribution in the studied area.

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APA: Copy

ABBASI, Y., MIRZAEI, F., & SOHRABI, T.. (2018). EXPLORING DISTRIBUTION OF HEAVY METALS IN WASTEWATER-IRRIGATED AGRICULTURAL SOIL USING KRIGING METHOD AND HYDRUS MODEL (CASE STUDY: SOUTH OF TEHRAN). IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 11(3 ), 351-364. SID. https://sid.ir/paper/145987/en

Vancouver: Copy

ABBASI Y., MIRZAEI F., SOHRABI T.. EXPLORING DISTRIBUTION OF HEAVY METALS IN WASTEWATER-IRRIGATED AGRICULTURAL SOIL USING KRIGING METHOD AND HYDRUS MODEL (CASE STUDY: SOUTH OF TEHRAN). IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2018;11(3 ):351-364. Available from: https://sid.ir/paper/145987/en

IEEE: Copy

Y. ABBASI, F. MIRZAEI, and T. SOHRABI, “EXPLORING DISTRIBUTION OF HEAVY METALS IN WASTEWATER-IRRIGATED AGRICULTURAL SOIL USING KRIGING METHOD AND HYDRUS MODEL (CASE STUDY: SOUTH OF TEHRAN),” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 11, no. 3 , pp. 351–364, 2018, [Online]. Available: https://sid.ir/paper/145987/en

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