Contaminación por metales pesados e intrusión marina en el margen NE del delta del río Foix (Barcelona)

The ratio of seawater intrusion to the presence of anomalous amounts of metals such as Fe, Cr, Co, Ni, Cu, Zn, Mo, Sb and Pb was stu- died in the delta aquifer of the River Foix (Barcelona). The process of seawater intrusion is characterised by an increase in the salinity of groundwater, increased concentrations of Br, Sr, Fe and Ni