Residence time
Residence time is a broadly useful concept that expresses how fast something moves through a system in equilibrium. It is the average time a substance spends within a specified region of space, such as a reservoir. For example, the residence time of water stored in deep groundwater, as part of the water cycle, is about 10,000 years. A common method for determining residence times is to calculate how long it would take for a region of space to become filled with a substance.
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Residence Time
The average time spent in a reservoir by an individual atom or molecule. With respect to greenhouse gases, residence time usually refers to how long a particular molecule remains in the atmosphere. See
lifetime.
residence time
Noun
1. the period of time spent in a particular place
(hypernym) duration, continuance
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