Monitoring the Ozone Layer

Some organizations that help in monitoring the atmosphere and form a network of informations communication about the atmosphere, including ozone layer monitoring are:

World Meteorological Organization (WMO) World Weather Watch (WWW)

Integrated Global Ocean Services Systems (IGOSS) Global Climate Observing System (GCOS) Chlorine monoxide ► Chlorine nitrate

+ Nitrogen dioxide

The stable compounds HCL and CLONO2 are reservoirs of chlorine, and therefore for chlorine to take part in reactions of any sort, it has to be freed.

Conversionof Chlorine from “Active” to "Inactive” States

CIONO2 HCI

"Inactiv •" Chlorine

Effect of Polar Stratospheric Clouds