Web23 jun. 2024 · Thirdly, the geoaccumulation index was used to compare the level of contamination in notionally industrial affected regions relative to expected local background concentrations. Materials and methods. Research areas. Fifteen large industrial complexes in Gyeongsangbuk-do, Korea were selected for this study. Web31 dec. 2007 · The geoaccumulation index shows that the contamination of Cr, Ni, Cu, Pb, Zn and Cd is widespread in urban soils and urban road dusts of the cities. Generally, the …
IJERPH Free Full-Text Pollution Risk Assessment and Sources ...
Web8 sep. 2024 · GEO-ACCUMULATION INDEX (Igeo) * CALCULATION Just Like A Stream 2.18K subscribers Subscribe 94 3.8K views 1 year ago The main aim of this video is to help students in … WebA large amount of heavy metal (HM) inputs exists in the farming areas of the Hebei plain of northern China. However, the potential ecological risk, source, and input flux of HMs in these areas have not been well-investigated. In this study, atmospheric deposition, fertilizer, irrigation water, and agricultural soil samples were collected from farming areas (~74,111 … flights from orf to charlotte nc
Heavy metal pollution in intertidal sediments from ... - ScienceDirect
Web1 jan. 1980 · The geoaccumulation index (Igeo), pollution index (PI), and potential ecological risk index (PER) were calculated to assess the pollution level in soils. The hazard index (HI) and carcinogenic risk (RI) were used to assess human health risk of heavy metals. The average concentration of Cr, Cd, Pb, Zn, Cu, ... Web7 jul. 2024 · Geoaccumulation index (I geo) values for elements in the sediment. Class 0 represents practically uncontaminated; Class 1 represents uncontaminated to … http://pubs.sciepub.com/jephh/9/2/1/index.html cherokee symbol for truth