Mapping of heavy metal pollution density and source distribution of campus soil using geographical information system
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View abstract on PubMed
Summary
This summary is machine-generated.Heavy metal pollution, particularly lead (Pb), was identified in Aksaray University
Area Of Science
- Environmental Science
- Soil Science
- Urban Ecology
Background
- Campuses serve as micro-ecosystems for urban environmental studies.
- Understanding soil heavy metal pollution is crucial for public health and ecological balance.
- Alkaline soil pH can influence heavy metal accumulation and mobility.
Purpose Of The Study
- To assess heavy metal pollution intensity and spatial distribution on a university campus.
- To identify the sources of soil heavy metals using geochemical analyses.
- To evaluate the ecological risk associated with heavy metal contamination.
Main Methods
- Soil sampling across 9 distinct locations within the Aksaray University Central campus.
- Analysis of soil pH, geo-accumulation index (I-geo), and pollution load index (PLI).
- Application of Pearson correlation and Absolute Principal Component Scores-Multiple Linear Regression (APCS-MLR) for source apportionment.
Main Results
- Soil pH ranged from 8.7 to 11.0, potentially limiting heavy metal mobility.
- Lead (Pb) showed higher concentrations in high-traffic and student-frequented areas.
- 75% of the campus soil exhibited moderate to high pollution levels based on the PLI.
- Natural sources contributed the most (57.49%), followed by industrial/traffic (21.44%) and agricultural (12.67%) activities.
Conclusions
- A significant portion of the campus soil is contaminated with heavy metals, with Pb being a key pollutant.
- Industrial and traffic activities are significant contributors to Pb pollution.
- Continuous soil heavy metal monitoring is recommended to mitigate long-term ecological impacts.
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