Future ECMWF Contributions to GEO l Main contributions

Future ECMWF Contributions to GEO l Main contributions to GEO offered by ECMWF: - Long-standing expertise in numerical weather prediction - Observing System Experiments (OSEs) - TIGGE - MACC - Reanalysis work l Participation: - Ministerial meetings - Plenary meetings - GEO HLWG - User Interface Committee (UIC) Slide 1 - Science and Technology Committee (STC) GEPW-5, London, February 2011

Floods in Pakistan Slide 2 GEPW-5, London, February 2011

GMES Atmosphere Services related to the chemical and particulate content of the atmosphere Climate forcing by gases and aerosols Weather services Long-range pollutant transport Atmospheric environmental services provide data & information on European air quality Dust outbreaks Solar energy Slide 3 Environmental agencies GEPW-5, London, February 2011 UV radiation • • •

MACC Daily Service Provision Air quality Global Pollution Aeros ol GEPW-5, London, February 2011 UV index Biomass burning Slide 4

Implications of coverage differences on trends Temperature anomaly (K) relative to 1989 -1998, averaged over all land areas ERA sampled to have same coverage as CRUTEM 3 ERA-40 for 1973 -1988 ERA-Interim from 1989 Full ERA coverage Slide 5 12 months running means GEPW-5, London, February 2011

Reanalyses provide a complete picture of recent trends example: temperature Slide 6 Deg C/decade, 1979 -2001 GEPW-5, London, February 2011