Haze and Cloud Models of Jupiter and Saturn

木星和土星的雾霾和云模型

• 批准号: 8914370
• 负责人: Martin Tomasko
• 金额: $ 2.35万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-03-01 至 1991-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8914370&HistoricalAwards=false
• 关键词: Haze; Cloud; Models; Jupiter; Saturn

Dr. Tomasko will continue a project to study the properties of particles which make up a haze in the atmospheres of Jupiter and Saturn. Most of the necessary ground-based observations are in hand, but reduction and analysis of the data remain. Visible images of Jupiter and Saturn reveal the presence of bright and dark cloud features over the disks of these planets. Such solid cloud particles can play important roles in the chemistry, heat balance, and dynamics of planetary atmospheres. It is now known that a relatively thin haze of small particles is formed in the stratospheres of both Jupiter and Saturn by photochemical reactions, possibly augmented by meteoritic infall. These particles fall to tropospheric levels where they can act as nuclei for the condensation of several atmospheric gases, including ammonia. Despite the importance of these particles in planetary processes, the complex nature of their interaction has made it difficult to use remote sensing observations to uniquely determine their properties. Dr. Tomasko's project is aimed at obtaining a coordinated set of ground-based observations of Jupiter and Saturn which will substantially enhance our understanding of these haze particles.

Tomasko博士将继续一个项目， 在木星大气层中形成薄雾的微粒， 土星。 大多数必要的地面观测都在 手，但减少和分析的数据仍然存在。 木星和土星的可见光图像揭示了明亮的 以及这些行星盘上的暗云特征。 等 固体云粒子在化学中可以发挥重要作用， 热平衡和行星大气动力学。 现在 已知形成相对薄的小颗粒雾， 木星和土星的平流层 反应，可能被陨石坠落增强。 这些 粒子落到对流层，在那里它们可以充当原子核 用于冷凝几种大气气体，包括 氨 尽管这些粒子在行星中的重要性 过程，它们相互作用的复杂性质使其 难以利用遥感观测来唯一确定 他们的财产。 Tomasko博士的项目旨在获得 对木星和土星的地面观测的协调组 这将大大增强我们对这些烟雾的理解 粒子