Term: tropopause
https://doi.org/10.1351/goldbook.T06521

Definition:
The region of the atmosphere which joins the troposphere and stratosphere, and where the decreasing temperature with altitude, characteristic of the troposphere ceases, and the temperature increase with height which is characteristic of the stratosphere begins.

Related Terms:
1) troposphere (http://doi.org/10.1351/goldbook.T06522).
2) stratosphere (http://doi.org/10.1351/goldbook.S06043).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2218 (https://doi.org/10.1351/pac199062112167)

Citation: 'tropopause' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.T06521

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