This is the first 1,000 characters of 1013 words (4.05 pages) in the essay titled Trophosperic Ozone
The source of the tropospheric ozone
The tropospheric ozone has two major sources. One is intrusion from the stratosphere. Most of ozone in the atmosphere is in the stratosphere and created from solar UV radiation. The stratospheric ozone sometimes flows into the troposphere by the upper layer trough and cut-off low activities. Some part of ozone may subside in the troposphere directly by the Hadley circulation or the Brewer Dobson circulation.
Another source is production from photochemical reactions. Ozone is produced from relatively longer-wavelength solar radiation under NOx and non-methane hydrocarbons rich environments. These photochemical reactions possibly bring about photochemical smog in urban area.
The characteristics of the tropospheric ozone
About 8 % of the total column ozone is in the troposphere. The tropospheric ozone also plays an important role in the atmosphere.
1) Ozone is a green h...
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