Study On Spring Sandstorm In Western Inner Mongolia From2008to2011

It mainly studies the relationship between PM10mass concentration and meteorological factors (wind speed, air pressure, temperature and precipitation), and establishes regression equation between PM10and the meteorological factors in this paper,the results are:(1) PM10mass concentrations in Hohhot, Baotou, Ordos, Huade County, Siziwang Banner were respectively0.247mg/m3,0.180mg/m3,0.239mg/m3,0.235mg/m3,0.256mg/m3; the highest was Siziwang Banner; the lowest was Baotou. The PM10mass concentration was highest in April.(2) Within the same period, PM10mass concentration has significant correlation with meteorological factors such as the wind speed and air pressure (p<0.01), but has not significant correlation with temperature and precipitation.(3) Within the same period, PM10mass concentration has very significant positive correlation with wind speed(p<0.01), and has negative correlation with the temperature and air pressure.(4) Within the same period, PM10concentration has very significant correlation with meteorological factors such as the wind speed and air pressure (p<0.01).(5) Within the same period, PM10concentration has very significant correlation with meteorological factors such as wind speed and air pressure.(6) Within the same period, PM10concentration has some correlation with wind speed, air pressure and precipitation.In summary, within the same period, PM10concentration has very significant correlation with meteorological factors such as wind speed and air pressure in the five areas above. And it has positive correlation with wind speed, negative correlation with air pressure, while has little correlation with temperature and precipitation.