| 13th International Workshop on Long-Term Changes and Trends in the Atmosphere | May 18-22, 2026
Beijing, China | 20 Feb 2026 Abstract submission deadline | Подробнее | The Workshop Topics
• Observed trends and long-term variations in the middle atmosphere
• Modeled and predicted trends and long-term variations in the middle atmosphere
• Trends and long-term changes in the ionosphere and thermosphere
• Dynamic, physical, chemical, and radiative mechanisms of trends and long-term variations
• Role of the middle atmosphere for climate
• Miscellaneous |
| A NASA Cloud Imaging and Particle Size Instrument Mini-Memoir | November 4, 2025, 23:00-24:00 UT (16:00-17:00 MST) | Zoom webinar | Регистрация | The mesosphere, which lies about 50-90 km above the earth’s surface, is often referred to as the «ignorosphere» because of a historical lack of attention. But it plays a critical role in solar terrestrial physics, as it connects Earth’s lower atmosphere to the upper atmosphere and space. This seminar will focus on mesospheric cloud and gravity wave measurements from the NASA Aeronomy of Ice in the Mesosphere (AIM) Cloud Imaging and Particle Size instrument (CIPS). AIM was launched in April of 2007 and reentered the atmosphere in August of 2023. It was the first satellite mission that was dedicated to understanding how polar mesospheric clouds (PMCs) – also poetically known to ground-based observers as «noctilucent» or «night-shining» clouds – form and why they vary. The talk will summarize some of the history and scientific highlights of the AIM mission and will discuss how AIM CIPS investigations evolved over the years to study not only PMCs and their environment, but also coupling of remote atmospheric regions. Although AIM is no longer operating, the talk will describe the treasure trove of CIPS data that is available for mining. |
EN 
RU