RAPID: Ice Supersaturated Regions and Distribution of Water Vapor During the Third HIAPER Pole-to-Pole Observations (HIPPO) Deployment

RAPID：第三次 HIAPER 极地观测 (HIPPO) 部署期间的冰过饱和区域和水汽分布

• 批准号: 1036275
• 负责人: Mark Zondlo
• 金额: $ 9.97万
• 依托单位: Princeton University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-08-15 至 2012-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1036275&HistoricalAwards=false
• 关键词: RAPID; Ice; Supersaturated; Regions; Distribution

The research will provide the necessary field support, laboratory studies, and data analyses of the NSF vertical cavity surface emitting laser hygrometer (VCSEL) onboard the NSF G-V research aircraft for HIAPER Pole-Pole Observations (HIPPO) #3. This research will provide a foundation for examining the climatologies of ice supersaturated regions in the upper troposphere. Ice supersaturated regions are important in identifying mechanisms of ice nucleation in the upper troposphere, understanding the transport of water vapor into the stratosphere, and determining the radiative properties of the tropopause region. The HIPPO Global field campaign offers a unique opportunity to examine ice supersaturation climatologies on a global scale including the poorly sampled southern latitudes and polar regions. The VCSEL dataset from HIPPO Global #3 will be submitted per science team protocols (quick look, preliminary, and final data) and intercompared with other sensors both in-flight and in the laboratory. Post-mission and pre-mission calibrations of the instrument will also be done using a number of orthogonal methods uniquely designed for the compact, VCSEL hygrometer. The VCSEL dataset for other field deployments (e.g. PREDICT) during the reporting period will also be supported in terms of pre- and post-mission calibrations and data analyses and quality control if requested. In combination, the VCSEL dataset from HIPPO and other campaigns will provide the most comprehensive examination of the scales, magnitudes, and frequencies of ice supersaturated regions in the troposphere. Analyses of the VCSEL water vapor dataset, in conjunction with other measurements during HIPPO and other campaigns, will be important to identify the influence of human activities on climate. Also, the principal investigator intends to work with undergraduate students to develop a new web-based "Atmospheric Chemistry Library" using HIPPO data and published literature. The site will summarize the properties of atmospheric trace gases (concentrations, distributions, lifetime, sources, sinks, vertical profiles, trends, and seasonal variations). The investigator envisions this will be similar to the NIST Chemistry webbook and will be useful for teachers, researchers, and the general public for accurate information on trace gas constituents in the atmosphere.

这项研究将为NSF G-V HIAPER极地观测(HIPPO)3号飞机上的NSF垂直腔面发射激光湿度计(VCSEL)提供必要的现场支持、实验室研究和数据分析。该研究将为考察对流层上层冰过饱和区的气候学提供基础。冰过饱和区对于确定对流层上层冰核形成的机制、了解水汽向平流层的输送以及确定对流层顶区的辐射特性具有重要意义。河马全球实地考察活动提供了一个独特的机会来研究全球范围内的冰过饱和气候，包括采样较差的南纬和极地地区。来自河马全球#3的VCSEL数据集将根据科学团队协议(快速查看、初步和最终数据)提交，并与飞行中和实验室中的其他传感器进行相互比较。任务后和任务前的仪器校准也将使用一些专为紧凑型VCSEL湿度计设计的正交法。在本报告所述期间，还将在任务前和任务后校准、数据分析和质量控制方面支持本报告所述期间其他外地部署的VCSEL数据集(例如预测)。结合来自河马和其他活动的VCSEL数据集，将提供对流层中冰过饱和区域的尺度、等级和频率的最全面的检查。对VCSEL水汽数据集的分析，结合河马和其他活动期间的其他测量，对于确定人类活动对气候的影响将是重要的。此外，首席研究员打算与本科生合作，利用河马数据和已发表的文献，开发一个新的基于网络的“大气化学图书馆”。该网站将总结大气痕量气体的特性(浓度、分布、寿命、源、汇、垂直剖面、趋势和季节变化)。研究人员设想，这将类似于NIST化学网络手册，将对教师、研究人员和普通公众有用，以获得有关大气中痕量气体成分的准确信息。