GCOS | WMO

Assessing the current state of the atmospheric component of the global observing system for climate, and identifying its gaps and inadequacies
Securing the implementation of designated GCOS networks and promoting the establishment and enhancement of other systems to provide long-term and consistent data and information for atmospheric ECVs, such as Earth radiation budget, Surface radiation, Greenhouse gases, Water vapour, Cloud properties, and Aerosols
Liasing with relevant research, operational and end-user bodies in order to determine and maintain the requirements for data to monitor, understand and predict the dynamical, physical and chemical state of the atmosphere and its interfaces on seasonal to multi-decadal timescales, on both global and regional levels
Promoting the transfer and accessibility of data to the user community, as well as the rehabilitation of historical observational and proxy climate datasets