The Regional Advisory Committee (RAC) is estabished to further fulfil the AOGS vision "In Asia for Asis and the World".
02/23/2023, 16:00 (GMT+8)
Speaker: Prof. Ma Yibing (Macau University of Science and Technology, China) (CV)
Title: Introduction of National Observation and Research Station of Coastal Ecological Environments in Macao
Since the establishment of the Rothamsted Long-term Experimental Station (current as Rothamsted Research) in the United Kingdom in 1843, long-term observations or monitoring have made important contributions to science and technology in different fields, such as agriculture, meteorology and climate, ecological environment, and materials. China has regarded the Long-term Observation and Research Station in field as one of the important scientific and technological innovation bases and an important part of the national innovation system. This lecture starts with the history of long-term field experimental stations in the world, and introduces their functions and geographical distribution. It focuses on the importance and necessity, objectives, functions, and progress of important research work of the National Observation and Research Station of Coastal Ecological Environments in Macao. It is hoped that interested scientists will cooperate to use the long-term field observation data of this platform and carry out high-level scientific research to deal with climate and ecological environment issues, such as climate warming, sea level rise, storm surges, coastal zone degradation, and water eutrophication in Macao as well as the Guangdong-Hong Kong-Macao Greater Bay Area.
03/14/2023, 16:00 (GMT+8)
Speaker: Dr. Tatsuhiro Yokoyama (Kyoto University, Japan) (CV)
Title: Observation and simulation studies of equatorial plasma bubbles (EPBs)
Equatorial plasma bubbles (EPBs) have been a longstanding and increasingly important subject because they cause severe scintillations in radio waves from Global Navigation Satellite System satellites. The phenomenon was found in the 1930s as irregular ionosonde observations and was termed equatorial spread F (ESF). ESF is interpreted as plasma density irregularities associated with EPBs that have nonlinearly evolved into the topside ionosphere. Numerical simulations have been powerful tools to study the fully nonlinear evolution of EPBs, which cannot be wholly understood from theoretical predictions. We have been developing a High-Resolution Bubble (HIRB) model to study the growth phase of EPBs and fine-scale structures inside EPBs. Summary and recent research topics will be presented.
03/14/2023, 16:00 (GMT+8)
Speaker: Prof. Tatsuhiro Yokoyama (Kyoto University, Japan) (CV)
Title: Observation and simulation studies of equat...
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