ETX 10 Lecture Notes - Lecture 21: Ozone Depletion, Smog, Nitric Oxide
27 Nov 2017
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Refrigerators and o one depletion: sunlight and the electromagnetic spectrum, shorter wavelengths . Ultra (iolet light have shorter wavelengths: o one layer absorbs harmful u( rays, o one filters wavelengths below 290nm, filtering is , stratosphere is where o one layer exists c. In troposphere, we get hit by u(-a rays, but u(-b/u(-c don"t hit because the o one layer blocks it. Ex. photo copier; electric toy trains: o one from a health standpoint is corrosive, and if you inhale o one on a regular basis, it can damage your lungs i. ii. iii, sources of nox include . Early morning, afternoon - peaks of o one because of crowded cars. Photochemical smog: o one in the stratosphere - desirable. Engine exhaust and green plants i. ii. iii. Light coming into the troposphere, converting it to less dangerous: sources of (ocs include , o one filters u( , o3 (cid:840)o one(cid:841) layer is a series of reactions infrared rays.
