Speaker: Researcher Deng Linhua (Yunnan Minzu University)

Time: 9:30 AM, June 13, 2024 (Thursday)

Venue: Conference Room 305, Zhuoyuan Building, North Campus

Organizers: School of Statistics and Mathematics

Abstract:

The sun is the driving source of space weather hazards and a key factor affecting Earth’s climate. It plays a central role in elucidating the mechanisms by which host star magnetic activity influences planetary atmospheric environments. Uncovering the mystery of the origin of solar magnetic activity cycles is a fundamental issue in solar and space physics, and has been highlighted as one of the top 125 forefront scientific questions facing modern human society by Science magazine. With the scientific goal of revealing the dynamical evolutionary processes in the solar dynamo, we have conducted observational and statistical studies of atmospheric magnetic activity phenomena, achieving a series of advancements in the origins, distribution, and evolution of solar activity cycles. These include the coupling patterns of multi-scale magnetic activity in the northern and southern hemispheres, the nonlinear and quasi-periodic evolution of the solar magnetic field, and the overall and differential rotation of the upper atmosphere. By studying the temporal and spatial evolution and driving mechanisms of solar magnetic activity cycles, we can enhance our understanding of the nonlinear dynamic processes within the sun, which has significant applications in forecasting solar eruptions and space weather.

Speaker’s Profile:

Dr. Deng Linhua, hailing from Xiaogan, Hubei, is a researcher at Yunnan Minzu University. He is a recipient of the Outstanding Youth Fund project of Yunnan Province, leader of the Yunnan Provincial Innovation Team in Space Weather and Sun-Earth Environment, and recognized as a Young and Middle-aged Academic and Technical Leader in Yunnan Province. He was among the first batch of young talents supported by the "Xingtian Talent Support Plan" in Yunnan Province and is a member of the Youth Innovation Promotion Association of the Chinese Academy of Sciences (CAS) and a "Western Light" Western Young Scholar of CAS. As the principal investigator, he won the Second Prize of the Natural Science Award in the 2018 Yunnan Science and Technology Awards. Dr. Deng has published over 80 SCI and EI academic papers in the field of solar physics, cited over 1000 times by peers domestically and internationally. He has led and participated in more than 20 projects funded by the National Natural Science Foundation of China, the Ministry of Science and Technology, CAS, and Yunnan Province. Additionally, he has given over 100 astronomy popular science lectures in primary and secondary schools across Yunnan Province. Dr. Deng has received numerous honors, including the CAS President’s Award, the Zhu Li Yuehua Excellent Doctoral Student Award, the Lu Jiaxi Education Foundation Excellent Graduate Student Award, and the Outstanding Society Worker Award from the Yunnan Association for Science and Technology. He also serves as a reviewer for the National Natural Science Foundation of China, the Hungarian National Research, Development and Innovation Office, the Personnel Department of CAS, and the Yunnan Provincial Department of Science and Technology.