THE SPATIAL DISTRIBUTION OF HEAVE METALS CADMIUM, COPPER AND LEAD IN SOIL AND SOURCES OF THESE METALS (CASE STUDY: NAHAVAND CITY)

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SHAHBAZI A.; SOFFIANIAN A.R.; AFRAZ R.; KHODAKARAMI L.

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Journal: Journal of RS and GIS for Natural Resources Year:2011 | Volume:2 | Issue:2 Page(s): 97-108

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Title

THE SPATIAL DISTRIBUTION OF HEAVE METALS CADMIUM, COPPER AND LEAD IN SOIL AND SOURCES OF THESE METALS (CASE STUDY: NAHAVAND CITY)

Author(s)

SHAHBAZI A. | SOFFIANIAN A.R. | AFRAZ R. | KHODAKARAMI L. | Issue Writer Certificate

Keywords

GEOSTATISTICSQ2

HYBRID METHODQ2

HEAVY METALQ2

REMOTE SENSINGQ2

GEOGRAPHIC INFORMATION SYSTEM (GIS)Q2

Abstract

The purpose of this study to determine the spatial distribution of heavy-metal cadmium, copper and lead, are using GIS and Geo-statistics, and Geological structure and Land use effects on the concentration of these metals in the soil. First, using 39 surface soils (0-20 cm) random systematic sampling in Nahavand city in Hamadan province 1623 square kilometers were collected and total element concentrations, soil characteristics, including the pH, EC and organic matters were measured. Interpolation for HEAVY METALs concentrations were used kriging methods, and assisting location correlation analysis, interpolation suitable method was chosen using RMSE and RMSS values and MAE and MBE function. For HEAVY METAL's concentration maps, cadmium, we used Disjunctive Kriging and exponential model, for Copper, Ordinary Kriging and exponential models and Zinc, Disjunctive Kriging and Spherical model. Furthermore, for analyzing the metal's concentration distribution maps from land use and geology maps were used. Land use map using the HYBRID METHOD (The combination of supervised and unsupervised classification) on the image AWIFS 1387 with Kappa 0.91 and accuracy 95% was obtained. Interpolation map's analysis showed that the metals cadmium, Copper and Zinc have geological and agricultural origins. These metals are present naturally in soil, but human activity has caused the accumulation of these metals in the soil.

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APA: Copy

SHAHBAZI, A., SOFFIANIAN, A.R., AFRAZ, R., & KHODAKARAMI, L.. (2011). THE SPATIAL DISTRIBUTION OF HEAVE METALS CADMIUM, COPPER AND LEAD IN SOIL AND SOURCES OF THESE METALS (CASE STUDY: NAHAVAND CITY). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), 2(2), 97-108. SID. https://sid.ir/paper/189625/en

Vancouver: Copy

SHAHBAZI A., SOFFIANIAN A.R., AFRAZ R., KHODAKARAMI L.. THE SPATIAL DISTRIBUTION OF HEAVE METALS CADMIUM, COPPER AND LEAD IN SOIL AND SOURCES OF THESE METALS (CASE STUDY: NAHAVAND CITY). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE)[Internet]. 2011;2(2):97-108. Available from: https://sid.ir/paper/189625/en

IEEE: Copy

A. SHAHBAZI, A.R. SOFFIANIAN, R. AFRAZ, and L. KHODAKARAMI, “THE SPATIAL DISTRIBUTION OF HEAVE METALS CADMIUM, COPPER AND LEAD IN SOIL AND SOURCES OF THESE METALS (CASE STUDY: NAHAVAND CITY),” JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), vol. 2, no. 2, pp. 97–108, 2011, [Online]. Available: https://sid.ir/paper/189625/en

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