Contaminant Plume
nounPronunciation: /ˈkɒntæmɪnənt pluːm/
The three-dimensional zone of contaminated groundwater that originates from a mine site source and migrates through subsurface pathways following hydrogeological gradients and flow directions. The plume's shape, extent, and concentration profile are determined by aquifer properties, contaminant properties, and natural attenuation processes.
Plain English
The moving underground cloud of contaminated water spreading away from a mine site through soil and rock layers.
Etymology & History
Usage
"Monitoring wells delineated the contaminant plume's downgradient extent to establish the required zone of hydrological containment."
Style guide notes: Always specify contaminant type when precision matters; maintain singular/plural consistency in technical documents.
Also known as
Contrasted with
Related Terms
Frequently Asked Questions
How is a contaminant plume defined in mine reclamation?
It's the three-dimensional zone of groundwater containing contaminants above background concentrations, originating from and migrating away from the mine source.
What factors affect contaminant plume movement?
Groundwater flow direction, aquifer permeability, contaminant density, dispersion processes, and natural attenuation all influence plume behavior.
Why Test Candidates on This?
Contaminant plume characterization and monitoring are fundamental to abandoned mine site assessment and remediation strategy development.
Required skill level: Junior