since the intensity and location of Ural high pressure ridge,Baikal cold low pressure,Mongolia cyclone and surface cold high pressure are different,the caused sandstorm intensities have significantly differences.

• 而在基本相同的大尺度环流背景下,由于乌拉尔山高压脊、贝加尔湖冷低压、蒙古气旋及地面冷高压等的强度和位置不同,造成的沙尘暴强度有显著差异。