Variation Characteristics of Atmospheric Visibility and Their Relationship with
 Relative Humidity and Particle Concentration in Shijiazhuang of Hebei
WANG Xiaomin, HAN Juncai, CHEN Jing, QIAN Weimiao, YUE Yanxia
Journal of Arid Meteorology . 2016, (4): 648 -655 .  DOI: 10.11755/j.issn.1006-7639(2016)-04-0648