DOI: 10.1002/2016JD025637
论文题名: Idealized numerical experiments on the microphysical evolution of warm-type heavy rainfall
作者: Song H.-J. ; Sohn B.-J. ; Hong S.-Y. ; Hashino T.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2017
卷: 122, 期: 3 起始页码: 1685
结束页码: 1699
语种: 英语
英文关键词: cloud
; heavy rainfall
; microphysics
; precipitation
; warm type
; WRF
Scopus关键词: atmospheric convection
; climate conditions
; cloud microphysics
; coalescence
; ice
; melting
; numerical method
; numerical model
; precipitation (climatology)
; rainfall
; satellite imagery
; thermodynamics
; warming
; weather forecasting
; Korea
英文摘要: Recent satellite observations suggested that medium-depth heavy rain systems (i.e., warm-type heavy rainfall) were predominantly found in the Korean peninsula under moist-adiabatically near neutral conditions in contrast to the traditional view that deep convection induced by convective instability produced heavy rainfall (i.e., cold-type heavy rainfall). In order to examine whether a numerical model could explain the microphysical evolution of the warm-type as well as cold-type heavy rainfall, numerical experiments were implemented with idealized thermodynamic conditions. Under the prescribed humid and weakly unstable conditions, the warm-type experiments resulted in a lower storm height, earlier onset of precipitation, and heavier precipitation than was found for the cold-type experiments. The growth of ice particles and their melting process were important for developing cold-type heavy rainfall. In contrast, the collision and coalescence processes between liquid particles were shown to be the mechanism for increasing the radar reflectivity toward the surface in the storm core region for the warm-type heavy rainfall. ©2017. The Authors. 资助项目: NRF-2013R1A1A2011747
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62680
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea; Korea Institute of Atmospheric Prediction Systems, Seoul, South Korea; Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan
Recommended Citation:
Song H.-J.,Sohn B.-J.,Hong S.-Y.,et al. Idealized numerical experiments on the microphysical evolution of warm-type heavy rainfall[J]. Journal of Geophysical Research: Atmospheres,2017-01-01,122(3)