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EUCAARI as a project

The EU-FP6 EUCAARI project (2007-2010) is an Integrated Project (IP) of the 6th Framework Programme of the European Commission. The goals of EUCAARI are to quantify the effect of aerosols on cloud, climate and air quality interactions, to understand future climate change and to develop strategies and implementation plans for global air quality monitoring. EUCAARI is a consortium of 48 partners coordinated by the University of Helsinki. The project has been motivated by the urgent need to quantify the effect of aerosols on our planet’s radiative balance to understand future climate change. The uncertainty in aerosol radiative forcing has been typically greater than 100% and for some aerosol components it is more than 200%.

The project was organized into sub sections studying the emission and formation of aerosols, their evolution and transformation during their atmospheric lifetime and their impact on clouds. This approach maximized the integration of methodologies and scales and ultimately our understanding of the effects of aerosols on air quality and climate. Ground-based, aircraft and satellite measurements were integrated with existing data to produce a global consistent dataset with the highest possible accuracy. The EUCAARI intensive measurement campaign in May 2008 was designed around simultaneous airborne measurements together with measurements from several “super-site” stations around Europe. Furthermore, during EUCAARI a hierarchy of new-generation models was developed based on the results of the laboratory and theoretical investigations. This new research concept of “all scales research chain” was the basis of EUCAARI mission. The EUCAARI work followed several research chains, where small-scale models were used to interpret measurements and were then integrated in regional air quality and global climate models. In the end of the project this new knowledge was incorporated in policy-orientated models to analyze climate change and air quality for a range of global emission scenarios using updated economic and technological information.