| 其他摘要 | By using the high resolution, multi-wavelength and multi-angle observation data, we study coronal jets and coronal waves in this thesis. The thesis is divided into six chapters. The first chapter is the introduction of solar physics. Especially, it mainly focuses on the background of the coronal jets and the coronal waves. The second chapter mainly introduces the data and instruments. From the third to the fifth chapters, these chapters mainly explain the work I did during my PhD. The last chapter makes the summary and prospect. In the third and the fifth chapters, we mainly focus on the research of the coronal jets. In the third chapter, we study a blowout jet eruption event. Interestingly, the blowout jet eruption simultaneously triggers two coronal mass ejections (CMEs), namely, one is a jet-like CME and the other one is a bubble-like CME. This event is the second double-CME event up to now. The bubble-like CME might either be produced by the internal reconnection during the mini-filament ejection or the reconstruction of the high coronal fields. It is worth mentioning that a EUV wave is generated at the front of the blowout jet during the rising phase of the blowout jet. The relationship between the blowout jet and the coronal wave is also discussed briefly in the thesis. By using multi-angle, high resolution and multi-wavelength data to analyze, this kind of event is very important for investigating the reconstruction of the coronal magnetic fields. The coronal waves are presented in the fourth chapter of the thesis. The triggering mechanisms of the EUV waves and the QFP waves were generally thought to be different. In general, the large-scale EUV waves are driven by CMEs, while the QFP waves are believed to be associated with the accompanied flares. In the fourth chapter, we study a EUV wave and a QFP wave excited simultaneously in a CME/flare eruption event. The wavefront of the EUV wave is cospatial with the first wavefront of the QFP wave train. The co-existence of the two wave phenomena offers an excellent opportunity to explore their driving mechanisms in one solar eruption event. The broadband pulse could be regarded as a piston-driven shock wave as observed in the present case, which further dispersively evolved into the QFP wave along with the fan-structure coronal loops. In general, the shock waves are caused by CMEs. Due to the two STEREO satellites captured the counterpart CME, hence, we confirm that the QFP wave has a tight relationship with the CME. In the fifth chapter of the thesis, a recurrent jet event is studied. The event is initially from a new small satellite with negative flux and triggers the recurrent jet event. The cancellation is undergoing between the negative patch and the pre-existing positive polarity. During the stage, the small satellite sunspot exhibits motion toward the southeast of AR11166 and merges with the emerging flux. The recurrent jet event includes thirty-seven jets. All of the jets can be classified into two types, the blowout jet and the standard jet. We also try to define the criteria for judging the standard and blowout coronal jets. By studying the magnetic field motion and evolution of the blowout jet and the standard jet on the photosphere, it suggests that the twistingand shearing motions of the magnetic field are more intense when the blowout jet erupts. Thestudy also shows that blowout jets release more energy when they erupt. They are faster andhave a larger scale than standard jets. Blowout jets often accompany with flares or bottombrightening, while standard jets do not have such obvious characteristics. Above all, the thesis mainly focuses on the studies and discussions of the coronal jets andthe coronal waves. The research results of the thesis are as follows: 1. The jet has a closerelationship with the small angle EUV wave; 2. a blowout jet leads to a double-CME event,which is found new evidence and improves the jet model of the Shen, Liu, Su and Deng; 3. thereare many differences between a blowout jet and a standard jet; 4. The new trigger mechanismof the EUV waves and the QFP waves is found. These studies are very important for improving the model of the jet. They are also very important for studying the origin and evolution of the coronal waves. |
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