1. Ozone balloon sonde network
WMO GLOBAL ATMOSPHERE WATCH (GAW)
Partnerships in Global Monitoring
CO2 network
Greenhouse gases:
(CO2, CH4, N2O, CFCs)
Aerosols:
(optical, physical, chemical properties)
Ultraviolet radiation:
Ozone:
(vertical profiles, total column, surface)
Reactive gases:
(CO, NOy,VOC, SO2)
Precipitation chemistry
Ozone balloon sonde network

2. WMO GLOBAL ATMOSPHERE WATCH (GAW)
Supporting:
GCOS, IGOS- IGCO
GEOSS/GMES, Research
Leading:
Global Data Quality Objectives
International Quality Assurance
IGACO Implementation
(other handout)
GAW mandate
Systematic monitoring of chemical composition globally (see reverse)
Analysis and assessment supporting Ozone, Climate and LRTAP Conventions
Development of a predictive modelling capability
Aug 2005