...The composition ratio changes with altitude from 80km to around 500km, so it is called the heterosphere. In the upper stratosphere and mesosphere of the homogeneous sphere, photochemical reactions between solar ultraviolet rays, ozone, and oxygen take place, so they are sometimes called the chemosphere. Air molecules are ionized above 60km altitude, so this is also called the ionosphere, and below that is called the neutral sphere. *Some of the terminology that mentions "chemosphere" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…高度80kmから500km付近までは組成比が高さによって変わるので非均質圏heterosphereと呼んでいる。均質圏の中の上部成層圏や中間圏では太陽紫外線とオゾン,酸素の光化学反応などが行われるので,とくに化学圏chemosphereと呼ぶことがある。また,高度60km以上では空気分子は電離しているので電離圏ともいい,それ以下を中性圏ともいう。… ※「chemosphere」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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