中国北方20213月中旬持续性沙尘天气的特征及其成因
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Characteristics and causes of persistent sand-dust weather in mid-March 2021 over Northern China
Xiaojun Yang, Qiang Zhang, Peilong Ye, Haojun Qin, Lili Xu, Li Ma, Chongshui Gong
图6 104°—106°E锋生函数平均值的时间-纬度剖面。灰色虚线代表45°N、38.47°N(银川纬度)、37.53°N(中卫纬度)、36.04°N(兰州纬度)
Fig.6 The time-latitude profile ofmean value of frontogenesis functionfrom 104° to 106° E. The gray dotted line represents 45°N, 38.47°N (Yinchuan latitude), 37.53°N (Zhongwei latitude), 36.04°N (Lanzhou latitude)