Winter Precipitations of Northern Part of Farming-Pastoral Zone and Hulunbuir Grassland
- 1 School of Civil Engineering, Sun Yat-Sen University, Zhuhai, China
Abstract
In January 2018 , a high record of monthly total precipitation in northern China drew our attention. The precipitation amount is 4 times more than that in normal winters over the past 30 years. Up to now, many research es over the world focus on the intensity of precipitations or the number of intense precipitations, however, no sufficient study is investigated in the continuous mod erate precipitations. The abnormal precipitation in January 2018 in northern China is a typical case of the continuous moderate precipitation. The research region is composed by the northern part of the farming-pastoral zone and the Hulunbuir Grassland. The main method in this study consists of ana lyzing the abnormal precipitation month by identifying the precipitation types and locations, and exploring the atmospheric circulations at the moment of typical precipitations. The research found that the continuity is the key point for high precipitation amount in January 2018 in Northern China. Besides, this continuity is caused by frequent appearance of cyclones in the vicinity.
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