Science · 6 pages · 12 min
How the ozone layer relates to ultraviolet
Ozone high overhead absorbs ultraviolet that would otherwise reach the ground.
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From the opening
The ozone layer relates to ultraviolet because ozone absorbs ultraviolet photons high above the ground. That absorption is why sunlight at the surface is missing much of the shortest ultraviolet the Sun actually emits. The opening covers ultraviolet absorbed high overhead, ozone made and split by sunlight, and ground-level ozone is not the shield.
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Inside
- Ultraviolet absorbed high overhead
- Ozone made and split by sunlight
- Ground-level ozone is not the shield
- A column, not a solid shell
- Where the idea stops applying
- A distinction worth keeping
Sources
- The Chapman cycle of oxygen and ozone
- Hartley absorption of ultraviolet by stratospheric ozone