Study of Solar-Variability-QBO-Weather Relations in the Context of Variations in Cosmic Rays Fluxes and Storm Intensification

宇宙线通量变化和风暴强度背景下太阳变率-QBO-天气关系的研究

• 批准号: 8902207
• 负责人: Brian Tinsley
• 金额: $ 12.37万
• 依托单位: University of Texas at Dallas
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-08-01 至 1991-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8902207&HistoricalAwards=false
• 关键词: Study; Solar; Variability; QBO; Weather

An accumulating body of data has provided strong evidence that cyclonic disturbances together with the jet stream at tropopause altitudes vary in response to the 11 year solar cycle and to the quasibiennial oscillation of equatorial stratospheric winds (the QBO). Short term responses to magnetic storms, solar wind sector boundaries, and solar flares have been found, and these can be examined as diagnostics on the effectiveness of carriers of solar variability to the troposphere and lower stratosphere. A new short term response has been found in the form of changes in tropopause pressure and vertical temperature profile in the troposphere in the two days following solar-flare- related high-speed plasma streams (HSPS). This effect is made understandable in the context of galactic cosmic rays being the main carrier of the solar variability. This grant will support a data analysis effort relevant to Solar Variability/QBO/Weather effects in the context of the galactic cosmic rays being the main carrier of the solar variability. Tests will be made of the adequacy of the time variations of the cosmic ray flux, particularly for the energy range 0.3 to 3 GeV, to account for the observed short term and long term solar variability influences on the troposphere and lower stratosphere. An analysis will be made of variations in stratospheric minor constituent variations in the context of chemical/aerosol carriers for the tropospheric QBO variation. The work should provide constraints on several possible mechanisms of troposphere/stratosphere response, particularly those involving electrical and chemical effects on cloud microphysics, and on possible links to latent heat release and storm intensification.

累积的数据体提供了有力的证据，表明旋风干扰与对流层顶高度的喷射流相对于11年的太阳周期和赤道平流层风的准振荡（QBO）有所不同。 已经发现了对磁风暴，太阳风扇区边界和太阳耀斑的短期响应，可以将其作为对对流层和较低平流层的太阳变异性载体有效性的诊断。 在太阳能相关的高速等离子体流（HSP）的两天内，对流层压力和垂直温度的变化的形式发现了新的短期响应。 在银河宇宙射线是太阳可变性的主要载体的背景下，可以理解这种效果。 该赠款将支持与太阳可变性/QBO/天气影响有关的数据分析工作，而银河宇宙射线是太阳可变性的主要载体。 将对宇宙射线通量的时间变化的适当性进行测试，尤其是对于能量范围为0.3至3 GEV，以说明观察到的短期和长期太阳可变性对对流层和较低平流层的影响。 在对流层QBO变化的化学/气溶胶载体背景下，将对平流层小型成分变化的变化进行分析。 这项工作应对对流层/平流层响应的几种可能机制提供限制，尤其是涉及对云微物理学的电和化学作用的机制，以及与潜在热释放和暴风雨强化的可能联系。