Research of Spatial Distribution of Cr and Ni in a Typical Black Soil on the GIS

Abstract:

ArcGIS analysis was applied to study the concentrations and spatial distribution characteristics of Cr and Ni in surface soil (0~20cm) of corn belt in Dehui—the typical area of black soil in Jilin province. The average concentrations of Cr and Ni were 49.85 mg·kg^-1 and 20.85 mg·kg^-1, which were both lower than the corresponding background value and thus in no pollution level. The trends for soil Cr and Ni were similar with higher concentrations trending N-S across the centre of the study area, while the other hotspots were located in the southwest of Dehui. There was prominent correlation between Cr and Ni in 0.01 level, indicating the close relationship of them. The method based on the geostatistical analysis in ArcGIS can exactly reflect the character of spatial distribution of heavy metals.

• Periodical: Applied Mechanics and Materials (Volumes 651-653)
• Pages: 1231-1235
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.651-653.1231
• Online since: September 2014
• Authors: Jing Jing Zhang, Jing Shuang Liu, Yang Wang
• Keywords: Black Soil, Chromium, GIS, Nickel, Spatial Distribution

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