ARCADE -气候和天体粒子探测大气研究
ARCADE - Atmospheric Research for Climate and Astroparticle DEtection
摘要：
由于气溶胶对气候的影响，近紫外大气光学特性的表征，特别是对流层气溶胶层结、云层光学厚度和空间分布在大气物理学领域很常见，在宇宙射线物理学中也很常见，用于正确重建能量和簇射的纵向发展。ARCADE项目的目标是比较用宇宙射线实验中使用的典型技术（侧向散射测量、弹性激光雷达和拉曼激光雷达）获得的气溶胶衰减测量结果，以评估影响每种方法的系统误差，用不同技术同时观测同一气团。为此，我们计划了一个正在建设中的激光雷达：它将使用355 nm Nd：YAG激光器，并将收集弹性和N2拉曼后向散射光。对于侧散射测量，我们将使用大气监测望远镜，这是科罗拉多矿业学院拥有的一个设施，位于拉马尔（科罗拉多州），我们的实验将在这里进行。
英文摘要：
The characterization of the optical properties of the atmosphere in the near UV, in particular the tropospheric aerosol stratification, clouds optical depth and spatial distribution are common in the field of atmospheric physics, due to aerosol effect on climate, and also in cosmic rays physics, for a correct reconstruction of energy and longitudinal development of showers. The goal of the ARCADE project is the comparison of the aerosol attenuation measurements obtained with the typical techniques used in cosmic ray experiments (side-scattering measurement, elastic LIDAR and Raman LIDAR) in order to assess the systematic errors affecting each method providing simultaneous observations of the same air mass with different techniques. For this purpose we projected a LIDAR that is now under construction: it will use a 355 nm Nd:YAG laser and will collect the elastic and the N2 Raman back-scattered light. For the side-scattering measurement we will use the Atmospheric Monitoring Telescope, a facility owned by the Colorado School of Mines and placed in Lamar (Colorado), the site where our experiment will take place.
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