ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 52 Issue 3 > 2026,52(3):273-286. DOI:10.7519/j.issn.1000-0526.2025.091301 Prev Next
Comprehensive Observation and Characteristic Analysis of Convective Cloud Precipitation in Mount Oomolangma Region (MOR)
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Abstract:
In order to study the characteristics of convective cloud precipitation in Mount Oomolangma Region (MOR), the comprehensive observation with multi-source remote sensing detection equipment for convective cloud precipitation on the northern slope of Mount Oomolangma about 6 years was conducted based on the second comprehensive scientific investigation and research plan of the Qinghai-Xizang Plateau. In this paper, the methods such as data quality control, data retrieval and data statistics are adopted to carry out comparative analysis, and the results show that precipitation in the MOR has unique structural characteristics of convective cloud precipitation compared to the precipitation in other regions. In terms of macroscopic characteristics, the MOR precipitation occurs frequently but has a short duration, most of which are isolated convective cell. The horizontal scale and vertical extension thickness of the precipitation are much smaller than in other areas, and rainfall rate is weak in the boundary layer. As for microscopic characteristics, there are two phases of precipitation (graupel and liquid raindrops) in the boundary layer under different vertical profile distributions of atmospheric temperature, with distinctive characteristics of a narrow raindrop size distribution width, higher raindrop number concentration and smaller raindrop equivalent diameter. This study may bridge the gap in detailed observations of the synoptic structure of the convective cloud precipitation on the northern slope of the MOR in summer and provide a significant reference for further researches on the changes in the weather conditions in Qinghai-Xizang Plateau and their potential impacts on the East Asian climate.
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