| 摘要 |
Based on the data of daily snowfall and weather phenomena of 11 national meteorological stations in Ulanqab City from 1991 to 2020, the spatial and temporal distribution characteristics of snowstorm were analyzed. The results showed that the snowstorm in Ulanqab had obvious seasonal distribution characteristics, mainly happening in spring (March - May) and autumn (September - November). It also had obvious regional distribution in space, and the snowstorm center appeared in Chahar Right Wing Middle Banner and Jining District, namely the east side of the Yinshan Mountain. In the past 30 years, the amount of snowstorm in the whole year in Ulanqab showed a certain fluctuation trend, and the number of snowstorm days had shown an obvious upward trend since 2011. |
