Ren Hong-Mei, Li Ang, Hu Zhao-Kun, Huang Ye-Yuan, Xu Jin, Xie Pin-Hua, Zhong Hong-Yan, Li Xiao-Mei. Measurement of atmospheric water vapor vertical column concentration and vertical distribution in Qingdao using multi-axis differential optical absorption spectroscopyJ. Acta Physica Sinica, 2020, 69(20): 204204. DOI: 10.7498/aps.69.20200588