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DOI | 10.1016/j.atmosres.2021.105476 |
The effects of ice nucleation on the microphysical processes and precipitation for a heavy rainfall event in Beijing | |
Liu S.; Yin Y.; Xiao H.; Jiang H.; Shi R. | |
发表日期 | 2021 |
ISSN | 0169-8095 |
卷号 | 253 |
英文摘要 | In order to better understand the effects of ice nucleation on deep convective clouds, two parameterizations that represent the high active fraction (H-AF case) and low active fraction (L-AF case) of ice nuclei (IN) are implemented into the Weather Research and Forecasting (WRF) model to investigate an extreme real precipitation case. The results indicate that the maximum value of 24-h surface precipitation for the H-AF case is closer to the observation measurement than that for the L-AF case. In early stage of precipitation, increasing IN leads to stronger competition for water vapor in homogeneous regime (above the −40 °C level) and a delay in the growth of ice particles for the H-AF case. With the development of convective system, a large number of ice particles are generated and there are more supercooled droplets occurring above the −20 °C level in H-AF case, resulting in significantly increased mass of snow and graupel and heavier precipitation than that in L-AF case mainly through the processes of R_RCW and R_SML © 2021 Elsevier B.V. |
英文关键词 | Active fraction; Extreme precipitation; Ice nucleation parameterization; Microphysical processes |
来源期刊 | Atmospheric Research |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/236837 |
作者单位 | Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China; Institute of Tropical and Marine Meteorology, China Meteorological Administration, Guangzhou, 510080, China; Inner Mongolia Lightning Warning and Protection Center, Inner Mongolia Hohhot010051, China |
推荐引用方式 GB/T 7714 | Liu S.,Yin Y.,Xiao H.,et al. The effects of ice nucleation on the microphysical processes and precipitation for a heavy rainfall event in Beijing[J],2021,253. |
APA | Liu S.,Yin Y.,Xiao H.,Jiang H.,&Shi R..(2021).The effects of ice nucleation on the microphysical processes and precipitation for a heavy rainfall event in Beijing.Atmospheric Research,253. |
MLA | Liu S.,et al."The effects of ice nucleation on the microphysical processes and precipitation for a heavy rainfall event in Beijing".Atmospheric Research 253(2021). |
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