Resident time

Asked by SSHHII | 13th Oct, 2009, 11:08: PM

Expert Answer:

The average time that a  particulate pollutant spends in the atmosphere. For pollutants (e.g. dust from a volcanic eruption), the residence time may range from a few weeks in the lower troposphere to several years in the upper stratosphere, before it is removed out by precipitation.

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Answered by  | 16th Oct, 2009, 08:58: PM

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