Polar Mesospheric Cloud Studies

极地中层云研究

• 批准号: 9983872
• 负责人: Gary Thomas
• 金额: $ 31.53万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-04-15 至 2004-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9983872&HistoricalAwards=false
• 关键词: Polar; Mesospheric; Cloud; Studies

Thomas, GaryATM-9983872This award is for a study of the phenomenon of Polar Mesospheric Clouds (PMC), and their relationship to atmospheric parameters in the mesopause region, and to global change in the polar mesosphere. There is growing evidence of decadal time scale changes in PMC. It is important to understand the physical causes, which may be related to activities of mankind, both agricultural and industrial. The study will involve analysis of data from various satellite and ground-based observational techniques, and use of scattering theory to integrate the various measurements onto a common basis for intercomparison. An empirical optical model will be constructed which will permit observations of various kinds to be intercompared. An empirical atmospheric model will provide an integration of satellite data (along with rocketborne data) from the past decade. This model will describe the temperature and water vapor distributions for the summertime polar regions, and also provide information on the time changes of these variables over time scales up to an 11-year solar cycle. The potential impact of this study is to produce an increased understanding and awareness of the importance of global change in the upper atmosphere, and specifically, the polar mesosphere. Together with the global warming phenonmenon, this project will foster public awareness of this very different anthropogenic impact on the upper atmosphere.

Thomas，Garyatm-9983872 This奖是为了研究极地云的现象（PMC）及其与中层区域中大气参数的关系，以及极性中层层的全球变化。 越来越多的证据表明，PMC年代阶段变化。 重要的是要了解与农业和工业的人类活动有关的身体原因。 该研究将涉及分析来自各种卫星和地面观测技术的数据，并使用散射理论将各种测量值整合到比较的共同基础上。 将构建一个经验光学模型，该模型将允许对各种形式的观察进行相比的观察。 经验大气模型将在过去十年中提供卫星数据（以及Rocketborne数据）的整合。 该模型将描述夏季极地区域的温度和水蒸气分布，并提供有关这些变量随时间缩放到11年太阳周期的时间变化的信息。 这项研究的潜在影响是对上层大气中全球变化的重要性，特别是极地层的重要性提高理解和认识。 与全球变暖现象一起，该项目将促进公众对这种对高层大气的截然不同的人为影响的认识。