气候变化领域集成服务门户(CCPortal): Effects of a Vertical Cloud Condensation Nuclei Concentration Explosion in an Idealized Hailstorm Simulation

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DOI	10.1029/2024GL108592
	Effects of a Vertical Cloud Condensation Nuclei Concentration Explosion in an Idealized Hailstorm Simulation
	Ma, Rongjun; Li, Xiaofei
发表日期	2024
ISSN	0094-8276
EISSN	1944-8007
起始页码	51
结束页码	8
卷号	51 期号:8
英文摘要	Determination of the key vertical level for cloud condensation nuclei concentration (CCNC) explosions has been a long-term issue in CCN-cloud interaction studies. An idealized hailstorm is simulated with 37 sensitivity runs, including an initial CCNC grouping vertically from the ground to the cloud top, increasing from 100 to 3,000 mg-1. The results reveal a key zone from 750 to 800 hPa near the median boundary layer, where an explosion of CCNC plays a dominant role in the nonmonotonic response of the hail precipitation rate. The explosion of CCNC in this zone could initially result in the condensation of more water vapor into the clouds, which could be transported to a greater vertical extent to significantly affect the riming collection efficiency. However, the dominant zone for the total precipitation rate is wider at heights of 700-800 hPa due to the lower sensitivity of the riming collection efficiency. Aerosols can serve as cloud condensation nuclei (CCN) in the atmosphere, affecting convective clouds, including hailstorms; however, due to their uneven vertical distribution, aerosols are a largely uncertain factor when predicting future climate change. Exploration of the key vertical layer induced by CCN during hail precipitation is an increasingly popular research topic to reduce uncertainty in future convection assessments and to operating accurately during weather modification. In this work, by comparing idealized cloud-resolving numerical experiments with CCNC explosions in different layers, the 750-800 hPa height, that is, near the base of convective clouds, is the most sensitive zone for determining the effects of CCN on hail. This layer is narrower than that for rain, indicating greater difficulty in predicting hail within an uncertain vertical distribution of aerosols compared to rainfall. Thus, this study advances the understanding of how air pollution impacts the hail formation. Hail precipitation is highly sensitive to the explosion of cloud condensation nuclei concentration in different vertical layers The exploded cloud condensation nuclei concentration near the median boundary layer controls the sensitivity of hail precipitation The dominant vertical zone of the cloud condensation nuclei concentration effect on hail is narrower than that on rain
英文关键词	hail; vertical level for cloud condensation nuclei concentration; idealized model; aerosol-cloud; riming collection efficiency; microphysics
语种	英语
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:001206124800001
来源期刊	GEOPHYSICAL RESEARCH LETTERS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/305214
作者单位	Northwest University Xi'an; Northwest University Xi'an; City University of Macau
推荐引用方式 GB/T 7714	Ma, Rongjun,Li, Xiaofei. Effects of a Vertical Cloud Condensation Nuclei Concentration Explosion in an Idealized Hailstorm Simulation[J],2024,51(8).
APA	Ma, Rongjun,&Li, Xiaofei.(2024).Effects of a Vertical Cloud Condensation Nuclei Concentration Explosion in an Idealized Hailstorm Simulation.GEOPHYSICAL RESEARCH LETTERS,51(8).
MLA	Ma, Rongjun,et al."Effects of a Vertical Cloud Condensation Nuclei Concentration Explosion in an Idealized Hailstorm Simulation".GEOPHYSICAL RESEARCH LETTERS 51.8(2024).