Chung Park,pioneer of magnetosphere–ionosphere coupling research |
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| Institution: | 1. Stanford University, Stanford, USA;2. Southwest Research Institute, San Antonio, USA;3. University of California, Los Angeles, USA;1. College of Automobile and Traffic Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China;2. School of Transportation, Southeast University, Nanjing, Jiangsu 211189, China;3. School of Urban Planning and Design, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China;4. School of Big Data, Baoshan University, Baoshan, Yunnan 678000, China;1. Guangdong Key Laboratory of Urban Informatics, Shenzhen Key Laboratory of Spatial Information Smart Sensing and Services, and Research Institute of Smart Cities, School of Architeture & Urban Planning, Shenzhen University, Shenzhen 518060, China;2. Geospatial Data Science Lab, Department of Geography, University of Wisconsin, Madison, WI 53706, USA;3. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;4. College of Surveying and Geo-Informatics, Shandong Jianzhu University, Jinan 250101, China;5. University of Chinese Academy of Sciences, Beijing 100049, China;6. The Academy of Digital China, Fuzhou University, Fuzhou 350002, China;1. School of Design and Architecture, Zhejiang University of Technology, Hangzhou 310023, China;2. School of Urban Planning and Design, Peking University Shenzhen Graduate School, Shenzhen 518055, China;3. College of Urban and Environmental Sciences, Peking University, Beijing 100871, China;1. Department of Transport and Planning, Delft University of Technology, P.O. Box 5048, 2600 GA Delft, The Netherlands;2. Department of the Built Environment, Section of Urban Systems and Real Estate, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands;3. Department of Air Transportation Management, Nanjing University of Aeronautics and Astronautics, China |
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| Abstract: | Chung Park (1938–2003) was a true pioneer of magnetosphere–ionosphere coupling research. During a short career at Stanford University that began in 1970 and ended in 1981, he wrote seminal papers on several topics. Using ground-based whistler data, he was the first to demonstrate experimentally that day-side upward ion flow from the mid-latitude ionosphere was sufficient to maintain the night-time ionosphere. He made the only measurements to date of longitudinally localized drainage of significant quantities of plasmaspheric plasma into the underlying ionosphere during a period of enhanced convection activity. He pioneered in demonstrating the presence at ionospheric heights of geophysically important electric fields that originate in the troposphere in thunderstorm centers. He cooperated in a unique study of the guidance of whistler-mode waves by field-aligned density irregularities (ducts) in the magnetosphere. Park provided unique observational data on nonlinear wave–particle interaction processes such as: (i) the development of sidebands during the injection of whistler-mode waves from Siple, Antarctica, and (ii) the mysterious whistler precursor phenomenon. Today, in spite of the several decades that have elapsed since his work, Park's early findings remain cornerstones of our understanding of magnetosphere–ionosphere coupling processes. Some of his later studies of non-linear magnetospheric wave–particle interaction phenomena have stirred lively debate, and today remain relevant to a number of topics in space plasma wave research. |
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