Residence time

From Conservapedia - Reading time: 1 min

---

Residence time is the average time that a molecule of a substance stays in a given area. Residence time of species X is defined as the ratio of the mass X in the area to its removal rate.^[1]

In atmospheric chemistry, residence time is also called lifetime. It can be used to describe how long pollutants stay in the atmosphere.^[1]

References[edit]

1. ↑ ^{1.0 1.1} Jacob, Daniel J. Introduction to Atmospheric Chemistry Princeton University: 1999