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Participant: part of or influencing processes

Stratosphere

Appears in 2 processs and 6 steps. Everything below is linked: open a process to see it in context.

Top processes

Atmospheric chemistry: methane removal and the ozone layer

5 steps

Cutting ozone-depleting gases under the Montreal Protocol lets ozone return to 1980 levels around 2040 globally, 2045 in the Arctic and 2066 over Antarctica
Solar ultraviolet splits oxygen molecules and the freed atoms join O2 to make ozone; about 90% of Earth's ozone sits in the stratosphere
Catalytic cycles of chlorine, bromine, nitrogen and hydrogen oxides destroy ozone: one chlorine atom can remove thousands of ozone molecules, and gas-phase chlo
and 2 more in this process

Tropospheric ozone, NOx-VOC chemistry and aerosol nucleation

1 step

Ozone is lost by photochemistry and by deposition to the surface, and some enters from the stratosphere; warming and more methane raise the stratospheric influx

Often found with

Ozone 6 Chlorofluorocarbons 4 Humans 2 Sunlight 1 Oxygen 1 Oxygen 1 Ultraviolet radiation 1 Chlorofluorocarbons 1 Nitrogen oxides 1 Polar stratospheric clouds 1 Antarctica 1 Volcanoes 1

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