1) Atmospheric boundary
Found on
https://www.crosswordclues.com/clue/turbopause
The turbopause marks the altitude in the Earth`s atmosphere below which turbulent mixing dominates. The region below the turbopause is known as the homosphere, where the chemical constituents are well mixed and display identical height distributions; in other words, the chemical composition of the atmosphere remains constant in this region for ch....
Found on
http://en.wikipedia.org/wiki/Turbopause
(from the article `atmosphere`) ...of low Sun activity, when temperatures within the heterosphere are relatively low. The transition zone, located at a height of around 100 km ...
Found on
http://www.britannica.com/eb/a-z/t/93
turbopause The upper and lower boundaries of the turbosphere in which rapid changes in air pressure and uneven air motions occur.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2197/4
No exact match found.
