Climatological analysis of the seeing at Fuxian Solar Observatory

作     者：Li-Hui Chen Zhong Liu Dong Chen 

作者机构：School of Resource Environment and Earth ScienceYunnan University School of Astronomy and Space ScienceUniversity of Chinese Academy of Sciences Yunnan Astronomical ObservatoryChinese Academy of Sciences 

出 版 物：《Research in Astronomy and Astrophysics》 (天文和天体物理学研究（英文版）)

年 卷 期：2019年第19卷第1期

页      面：149-156页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：supported by the National Natural Science Foundation of China (U1831210) Yunnan University first-class discipline construction fund (C176210215) the talents program of Yunnan province 

主　　题：observational high angular resolution turbulence site testing 

摘      要：There is a significant seasonal variation in the seeing of Fuxian Solar Observatory(FSO). The seeing in summer and autumn is better than that in winter and spring. The overall seeing is divided into the boundary layer seeing and free atmosphere seeing to investigate the climatic phenomena or meteorological events that might lead to seasonal variation in the seeing. The overall seeing was measured by the solar difference image motion monitor(SDIMM). The boundary layer seeing is calculated from the temperature difference between air and water. The analysis results show that the seasonal variation in seeing is caused by the alternation of subtropical high and westerly jet. The decrease of seeing in winter and spring at FSO is probably related to the westerly jet. A complete analysis of the seeing at FSO is given in this paper. It is also the first time to describe FSO s boundary layer seeing and its measurement method.