SPP 1176: Climate and Weather of the Sun-Earth-System (CAWSES)

SPP 1176：日地系统的气候和天气 (CAWSES)

• 批准号: 5472167
• 金额: --
• 依托单位: Abteilung Optische Sondierungen
• 依托单位国家: 德国
• 项目类别: Priority Programmes
• 财政年份: 2005
• 资助国家: 德国
• 起止时间: 2004-12-31 至 2010-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/5472167?language=en
• 关键词: SPP; 1176; Climate; Weather; Sun

The aim of the Priority Programme is a better understanding of the influence of the sun on the terrestrial atmosphere on time scales from hours to centuries. The focus will be on scientific problems which deal with important aspects of the solar terrestrial system. The sun influences the atmosphere through the absorption of radiation and particles, through the generation and modification of photochemically active trace gases, and through the generation of waves, including tides. The physical and chemical processes involved are coupled through various complicated mechanisms. Although the total solar radiation fluctuates by less then 0.1 percent the solar impact on the terrestrial atmosphere can be significant, in particular in the upper atmosphere where the highly variable energetic part of the solar spectrum is absorbed. A local disturbance can be distributed over large vertical and horizontal distances through various coupling mechanisms. The medium and long-term variation of solar activity and its influence on the terrestrial atmosphere is also important to assess the importance of natural processes in long-term trends in comparison with anthropogenic influences.

优先计划的目的是更好地理解太阳对陆地气氛的影响，从几个小时到几个世纪。重点将放在涉及太阳陆地系统重要方面的科学问题上。太阳通过吸收辐射和颗粒，通过光化学活性痕量气体以及包括潮汐在内的波的产生来影响大气。涉及的物理和化学过程通过各种复杂机制结合。尽管总太阳辐射的波动降低了0.1％，但太阳能对地面气氛的影响可能很重要，尤其是在高度可变的太阳能光谱的高层大气中。可以通过各种耦合机制在大垂直距离和水平距离上分布局部干扰。与人为影响相比，太阳能活动的媒介和长期变化及其对陆地大气的影响对于评估自然过程在长期趋势中的重要性也很重要。