Problem

Pollution of sediments

Other Names:
Contamination of sediments by toxic substances
Nature:
Many metals and organic substances have an affinity for organic matter or mineral particles. Sediments thus provide a suitable medium for the accumulation of contaminants from aqueous sources and atmospheric deposition. The contaminant level is often higher than in the overlying body of water.
Counter Claim:
Certain elements, often associated with pollution, tend to occur naturally in sediments and their concentrations reflect the geology of the areas (as in the case of lake basin).
Broader Problems:
Soil pollution
Marine pollution
Problem Type:
E: Emanations of other problems
Date of last update
01.01.2000 – 00:00 CET