连霍高速公路陕西段低能见度特征及影响因素

张宏芳, 张曦, 梁佳, 郭琦, 王靖中

Characteristics and influence factors of low visibility along Shaanxi section of the Lian-Huo expressway

ZHANG Hongfang, ZHANG Xi, LIANG Jia, GUO Qi, WANG Jingzhong

图6 连霍高速陕西段不同风速区间（a）和风向（b）低能见度出现时次占比

Fig.6 The proportion of occurring times of low visibility under different wind speed intervals （a） and wind direction （b） along Shaanxi section of the Lian-Huo expressway