A critical study on different ozone depletion and formation processes
has been made and following important results are obtained: (i) From a
nalysis it is shown that O-3 concentration will decrease very minutely
with time for normal atmosphere when [O], [O-2] and UV-radiation rema
in constant. (ii) An empirical equation is established theoretically b
etween the variation of ozone concentration and time. (iii) Special oz
one depletion processes are responsible for the dramatic decrease of O
-3-concentration at Antarctica.