# Sinks (Atmospheric chemistry) { "id": "S92002466", "title": "Sinks (Atmospheric chemistry)", "url": "/topics/S92002466", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "847bd78c13719118", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "14141518626351612482", "address_version": "morton4x16-v1", "coordinates": [ 0, 21, 61282, 34816 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on processes by which trace constituents or contaminants are removed from the atmosphere, either by chemical reactions or dynamical means, such as dispersion, diffusion, gravity, or precipitation. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh92002466 No owner-reviewed local answer yet.