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GEMET
General
Multilingual
Environmental
Thesaurus
atmospheric structure
Definition

The gaseous area surrounding the planet is divided into several concentric spherical strata (layers, like shells) separated by narrow transition zones. The boundaries are know as "pause". More than 99% of the total atmospheric mass is concentrated in the first 40 km from the Earth's surface. Atmospheric layers are characterized by differences in chemical composition that produce variations in temperature.

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Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/641