Characterization of European aerosol by regional modelling and lidar measurments

欧洲的气溶胶分布将用一个区域性气溶胶-化学-输送模式系统来计算，以供若干代表不同气象情况的案例研究使用。气溶胶特性的垂直分布对理解其影响很重要，但目前仍高度不确定。模拟的气溶胶特性将通过欧洲气溶胶研究激光雷达网络（EARLINET）的激光雷达测量结果进行评估。自2000年以来，可利用地面激光雷达仪器测量气溶胶的后向散射廓线和（在某些站点）气溶胶消光廓线。此外，自2006年以来，可从CALIPSO卫星激光雷达仪器获得气溶胶后向散射信息。微物理气溶胶特性将通过一种反演算法得到，该算法应用于来自莱比锡站的大约40个剖面的多波长消光和反向散射测量。这些数据将用于模型中气溶胶微物理的详细测试。在案例研究中，将计算气溶胶辐射强迫，并研究气溶胶分布对大气升温速率的影响及其动力效应。该项目旨在更好地了解欧洲规模的气溶胶特性。

European aerosol distributions will be computed with a regional aerosol-chemistry-transport model system for several case studies representing different meteorological situations. The vertical distribution of aerosol properties is important for understanding their effects, but remains currently highly uncertain. Modeled aerosol properties will be evaluated with lidar measurements from the European Aerosol Research Lidar NETwork (EARLINET). Profile measurements of aerosol t) backscatter and - at some stations - aerosol extinction profiles from ground lidar instruments are available since the year 2000. In addition, since 2006 aerosol backscatter information is available from the CALIPSO satellite lidar instrument. Microphysical aerosol properties will be derived by an inversion algorithm applied to multiwavelength extinction and backscatter measurements for approximately 40 profiles from the Leipzig station. These data will be used for a detailed test of the aerosol microphysics in the model. Aerosol radiative forcing will be computed for the case studies, and the influence of the aerosol distributions on atmospheric heating rates and their dynamic effect will be investigated. The project aims at a better understanding of aerosol properties at the European scale.