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      寧波大學

      學術活動

      甬江數學講壇74講(2020年第1講)

      發布日期:2020-01-02 作者:數學與統計學院 文章來源:未知  責任編輯:

      報告題目:Leap forward in forecasting Space Weather - A great challenge for the 21st Century

         人:Robertus von Fáy-Siebenbürgen (Publishing as: Róbert Erdélyi)

      報告時間202016 (周一)上午 09:00-10:00

      報告地點:陽明學院303會議室

      報告摘要Modern technology-based societies are vulnerable to the occasional hazardous conditions that may develop due to eruptions in the atmosphere of our proxy star, the Sun. Energetic solar eruptions may take forms in i) massive radiation bursts (called flares) with energies containing millions of an atomic bomb, ii) magnetised plasma material ejected from the Sun (called Coronal Mass Ejections), iii) or bursts of high-speed particles that propagate across the interplanetary space and are harmful to our space-borne facilities or even to the astronauts themselves. These hazardous conditions together are often referred to as Space Weather. With the purpose to introduce and discuss one of the most accurate and reliable Space Weather forecasting tool that we have developed in recent years, we present new insights into the pre-flare and Coronal Mass Ejection behaviour and the evolution of sources of these most energetic eruptions in the entire Solar System. We will also address a new global facility SAMNet (Solar Activity Monitor NETwork), to be developed in partnership with China, that helps us to considerably improve our forecasting capacity and capability of eruptive Space Weather events. Finally, we will address how local dynamics in the solar atmosphere may be linked to the global evolution of the well-known 11-year solar cycle and how this link may be exploited for even further improving Space Weather forecasting to have a more secure technosphere around us. The talk will be at a level where no prior knowledge of astrophysics, advanced mathematics or plasma physics is necessary.

      專家簡介:Robertus Erdelyi是英國謝菲爾德大學數學與統計學院的教授,太陽物理與空間等離子體研究中心(SP2RC)主任MHD磁流體專家,在國際頂級期刊上發表多篇科學論文,包括Nature主刊和子刊 6(2004, 2012a, Comm 2012b, 2019; SR 2018a.b), Science主刊3 (2007, 2009, 2019)等。


      上一條:醫學院科研素養培育系列講座(第三講):我的科研之路 下一條:機械學院學術報告-新型金屬蜂窩復合點陣結構設計、 制備及其力學性能研究

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