Term: sink
https://doi.org/10.1351/goldbook.S05703

Definition:
The receptor for material which is removed from the atmosphere. Because of long range transport of many pollutants such as SO2, sulfuric acid and its salts, the sink region can be many hundreds of kilometres from the source region of the pollutants.

Related Terms:
1) receptor (http://doi.org/10.1351/goldbook.RT06841).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2213 (https://doi.org/10.1351/pac199062112167)

Citation: 'sink' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05703

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