Influence exerted on a habitat or chemical environment by humans. This obliquely refers to the idea of managed environment as opposed to a wild or non-disturbed environment. The variability of assumptions about irradiative forcing can cause significant changes in the results from computer models that require an estimate of those values.
[Science; v265; 1831-1838; 1994.] [Audubon; v96; 14; 1994.]
Source: Atmospheric Chemistry Glossary