Collaborative Research: Colorado Airborne Multi-Phase Cloud Study (CAMPS)

该项目将侧重于对科罗拉多北方落基山脉帕克岭冬季云层进行现场和遥感测量。这些云通常是混合相的;冰，液体和水蒸气的组合对测量和建模提出了挑战，因此，了解它们对大气辐射和降水的影响。科罗拉多空中多相云研究（CAMPS）将使用怀俄明州国王航空研究飞机，（云雷达和云激光雷达）和原位传感器（云和粒子探测器，总水湿度计）来阐明冷混合相云的垂直和水平结构。CAMPS期间收集的数据将包括通过现场和遥感方法获得的混合相云的宏观和微观物理参数的信息。将对这些数据进行分析，以解决一些关于混合相云的结构、性质和影响的重要问题。具体目标包括：1.评估冬季中纬度复杂地形大陆站点液态云、混合相云和降水云的垂直和水平结构以及云特性（粒子大小分布、冰和液态水含量、粒子习性）的时空变化.评估地形和相关垂直强迫变化对云生成和云特性的影响。开发一个数据集，为改进云解析和气候模式中混合相云的表示提供必要的信息。为能源部大气辐射测量计划移动的设施和美国国家航空航天局A-Train星载遥感器的验证提供相关数据.提供观测确认与云凝结核增强引起的雾凇抑制相关的降雪再分布。更广泛的影响：最终，通过提高社区对云尺度过程的理解，CAMPS的数据将成为改善全球气候模型中云的代表性的基础。这将导致对当前和未来气候的更准确的计算。此外，CAMPS项目将促进各级正规和非正规教育。每个参与大学至少有一名研究生将参与与本项目相关的实地工作和/或数据分析。在可能的情况下，研究人员将包括他们所在机构的本科生参加与CAMPS有关的飞行计划和/或气象演习。风暴峰实验室的工作人员将协调小学生的正式教育机会，包括参观实验室和飞机以及课堂练习。外联活动将包括在汽船泉滑雪度假村的标志，在贡多拉大楼的互动显示和与2011年汽船天气峰会的协调。

This project will focus on in situ and remote sensing measurements of wintertime clouds over the Park Range of the Rocky Mountains in northern Colorado. These clouds are generally mixed-phase; the combination of ice, liquid and water vapor presents challenges both to measurements and modeling, and consequently, to understanding their impact on atmospheric radiation and on precipitation. The Colorado Airborne Multi-Phase Cloud Study (CAMPS) will use the Wyoming King Air research aircraft instrumented with both remote (cloud radar and cloud lidar) and in situ sensors (cloud and particle probes, total water hygrometer) to elucidate the vertical and horizontal structure of cold mixed-phase clouds.Intellectual Merit: The data gathered during CAMPS will include information about macro- and microphysical parameters of mixed-phase clouds obtained by both in situ and remote-sensing methods. These data will be analyzed to address a number of important questions about the structure, properties and impacts of mixed-phase clouds. Specific goals include:1. To assess the vertical and horizontal structure and spatial and temporal variation of cloud properties (particle size distribution, ice and liquid water content, particle habit) in liquid, mixed-phase and precipitating clouds at a mid-latitude continental site with complex terrain during winter.2. To assess the impact of topography and associated variations in vertical forcing on cloud generation and cloud properties.3. To develop a data set that provides the information necessary for improving the representation of mixed-phase clouds in cloud-resolving and climate models.4. To provide correlative data for validation of the Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) program mobile facility and the National Aeronautics and Space Administration A-Train satellite-borne remote sensors.5. To provide observational confirmation of the redistribution of snowfall associated with riming inhibition due to enhanced CCN. Broader Impacts: Ultimately, by enhancing the community's understanding of cloud-scale processes, the data from CAMPS will be the basis for improvements in the representation of clouds in global climate models. This will lead to more accurate calculations of current and future climate. In addition the CAMPS project will contribute to both formal and informal education at a number of levels. At least one graduate student from each of the participating universities will be involved with the field work and/or data analysis related to this project. The investigators will include undergraduates from their institutions in flight-planning and/or meteorology exercises related to CAMPS when possible. Formal educational opportunities for elementary school students will be coordinated by the Storm Peak Laboratory staff, including visits to the laboratory and aircraft and classroom exercises. Outreach activities will include signage at the Steamboat Springs Ski Resort, an interactive display at the gondola building and coordination with the 2011 Steamboat Weather Summit.