A study of occurrence characteristics of plasma bubbles over Hong Kong area

Abstract Plasma bubble is one of the important weather events of the ionosphere. In past research, many studies on its occurrence characteristics have been done based on various observations, such as ionosondes, topside sounders, radio scintillations and in situ measurements by satellites. In recent years, GPS has become an important tool for the studies in this aspect. In this research, a study is made on occurrence characteristics of plasma bubbles with the GPS observations collected by the Hong Kong local GPS network for about 12 years.

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