التفاصيل البيبلوغرافية
| العنوان: |
Assessment of potentially hazardous elements in soils of the Boyacá industrial corridor (Colombia) using GIS, multivariate statistical analysis, and geochemical indexes. |
| المؤلفون: |
Díaz Alarcón, Jhonathan A., Fonseca Alfonso, Paola M., Vergara Gómez, Inés, Díaz Lagos, Mercedes, Videira-Quintela, Diogo, Montalvo, Gemma |
| المصدر: |
Ecotoxicology & Environmental Safety; Jan2024, Vol. 269, pN.PAG-N.PAG, 1p |
| مصطلحات موضوعية: |
MULTIVARIATE analysis, GEOGRAPHIC information systems, GEOLOGICAL cycles, URBAN soils, SOILS, TRACE metals |
| مصطلحات جغرافية: |
COLOMBIA |
| الشركة/الكيان: |
UNITED States. Environmental Protection Agency |
| مستخلص: |
In the industrial corridor of Boyacá, Colombia, population growth is accompanied by anthropogenic activities such as industrial operations, vehicle exhaust fumes, mining, smelting, atmospheric deposition, and excessive use of chemical products to promote crop growth. These activities are known to have a significant impact on urban and rural soils, contributing significantly to elevated concentrations of potentially hazardous elements in the environment. This industrial corridor is an area of economic and social development that needs to provide reference information that will allow us to know the state of soil quality to preserve and manage the public and geoenvironmental health of this region. Anthropogenic activities have contributed to the accumulation of potentially hazardous elements in the environment, affecting various levels of life and creating risks with economic and social implications. However, igneous activity or detrital deposition also enriches soils and creates geochemical anomalies in specific locations. In these cases, the identification of potentially hazardous elements involves the determination of likely sources of contamination and their relationship to the geological setting. In this study, the concentrations of As, Cd, Pb, Mn, Fe, Zn, Hg, Cu and Ni were determined in eighty-one soil samples from the Boyacá industrial corridor (Colombia). The sequential trend of the concentrations of potentially hazardous elements was as follows: Fe > Mn > Zn > Ni > Cu> Pb > As > Cd > Hg. Furthermore, the application of spatial analysis criteria in GIS software with multivariate statistical tools and geochemical indices allowed the identification of anthropogenic and geogenic sources. Most of the potentially hazardous elements were found in soils exposed to industrial and agricultural activities, except for iron. This element showed low variability in all samples, regardless of the geological formations. Due to the lack of reference values for potentially hazardous elements in Colombia, the concentrations were compared with the environmental standards of the Environmental Protection Agency (EPA) and the Ecuadorian Ministry of Environment, Water and Ecological Transition (MAE). The results demonstrate the complexity of the soil and represent the first exploratory study of potentially hazardous elements in this industrial corridor. These results are the starting point for the establishment of geochemical background lines in Colombia and for inspection policies for areas where productive activities converge. [Display omitted] • All land uses exhibited metal enrichment due to fertilizers, pesticides, and industrial activities. • Levels of As, Cd, and Zn above critical threshold limits. • Spatial distribution of potentially hazardous elements are associated with anthropogenic activities. • Industrial and agricultural activities as the primary contamination sources. • Some potentially hazardous elements come from the geological cycle. [ABSTRACT FROM AUTHOR] |
|
Copyright of Ecotoxicology & Environmental Safety is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) |
| قاعدة البيانات: |
Supplemental Index |
Full Text Finder