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TeachMeFinance.com - explain ozone mini-hole(s) ozone mini-hole(s) The term 'ozone mini-hole(s)' as it applies to the area of Earth observation can be defined as ' Rapid, transient, polar-ozone depletion. These depletions, which take place over a 50-kilometer squared area, are caused by weather patterns in the upper troposphere. The decrease in ozone during a mini-hole event is caused by transport, with no chemical depletion of ozone. However, the cold stratospheric temperatures associated with weather systems can cause clouds to form that can lead to the conversion of chlorine compound from inert to reactive forms. These chlorine compounds can then produce longer-term ozone reductions after the mini-hole has passed'. Previous 5 Terms: Ozone Action Day Ozone Advisory Ozone Depleting Substance (ODS) Ozone Hole Ozone Layer Next 5 Terms: Ozone precursors ozone-measuring satellite instruments ozoniferous P and S P.L. 480 (or Public Law 480) About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.