Assessing Heavy Metal Contamination in Agricultural Soils: A Predictive Model Integrating GIS Tools and Probability-Risk Matrix – Case Study: Guarda Region, Portugal

In these files we can find the final risk map of heavy metal contamination for the guarding area in Portugal obtained according to the methodology explained in the paper "Assessing Heavy Metal Contamination in Agricultural Soils: A Predictive Model Instegrating GIS Tools and Probability-Risk Matrix - Case Study: Guarda Region (Portugal)

Final Risk Equal.tiff:  GeoTiff with a pixel size of 30m. EPSG:3763 - ETRS89 / Portugal TM06

Also attached is the symbolisation for the image in .qml (Quantum GIS Layer Style File) format.

A file called RISK RECLASS is also available, where you can find the risk classification maps for each of the studied factors: 

Proximity to roads

Proximity to industrial areas

Ph

Soil organic content

Slope

Soil texture

Mining extraction areas 

Drainage

finally a DATABASE file where the data of the 360 points for the calculation of the risk maps can be found.