Observations by Ground-Based MAX-DOAS of the Vertical Characters of Winter Pollution and the Influencing Factors of HONO Generation in Shanghai, China. - Shiqi Xu; Shanshan Wang; Men Xia; Hua Lin; Chengzhi Xing; Xiangguang Ji; Wenjing Su; Wei Tan; Cheng Liu; Qihou Hu (Remote. Sens., 2021)