الفهرس 
Chapter 1Only 14 pages are availabe for public view
 |  | from | 107 |  |  |
| | | from | 107 | | |
Abstract
As it is more or less agreed that atmospheric ozone is created by the action of sunlight on Oxygen, it might reasonably by expected that the Ozone amount would be at maximum in Summer and at a minimum in Winter. Observations show that this is not the case, but theories suggest a maximum Ozone in quantity in Summer (June) and a minimum in Winter (December) in N-hemisphere whilst in reality the maximum in high N-latitudes is about March and the minimum about October. The discrepancy between theory and observation is most probably due to meteorological processes. One of the most important minor constituents of air is triatomic Oxygen (O3). Ozone has been existed in the atmosphere. Results had demonstrated and suggested that the absence of the part of the sun’s spectra in the Ultra-Violet band be due to absorption by atmospheric Ozone. There are many kinds of measurements and observations of the total amount of Ozone. The measurements come from the ground-based instruments (DOBSON and BREWER Spectrometer) during scientific missions and TOMS (Total Ozone Mapping Spectrometer) Satellite.
The problem of the formation of Ozone in the atmosphere has not yet been completely solved. from the existence of a layer of this heavy gas in the upper atmosphere, it would seem that Ozone is both created and destroyed in the atmosphere. It would be difficult to maintain that the earth’s radioactive materials are responsible for substantial Ozone production because the concentration of the radioactive elements in the atmosphere are extremely low, so that it would require an enormous time for building up the present concentration.