Leaching

Definition

Leaching refers to the process in which water-soluble substances, such as minerals or pollutants, are washed away or dissolved and carried downward through soil layers by percolating water.

Related terms

Groundwater:

Water that is stored beneath the Earth's surface in underground aquifers and can be affected by leaching.

Percolation:

The movement of water through soil layers due to gravity.

Soil Erosion: The wearing away or removal of topsoil by natural forces like wind or water, which can contribute to leaching.