干旱区生态环境知识资源中心(Arid): Impacts of long-range-transported mineral dust on summertime convective cloud and precipitation: a case study over the Taiwan region

Arid

DOI	10.5194/acp-21-17433-2021
	Impacts of long-range-transported mineral dust on summertime convective cloud and precipitation: a case study over the Taiwan region
	Zhang, Yanda; Yu, Fangqun; Luo, Gan; Fan, Jiwen; Liu, Shuai
通讯作者	Zhang, YD ; Yu, FQ (corresponding author), SUNY Albany, Atmospher Sci Res Ctr, Albany, NY 12203 USA.
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN	1680-7316
EISSN	1680-7324
出版年	2021
卷号	21 期号:23 页码:17433-17451
英文摘要	As one of the most abundant atmospheric aerosols and effective ice nuclei, mineral dust affects clouds and precipitation in the Earth system. Here numerical experiments are carried out to investigate the impacts of dust aerosols on summertime convective clouds and precipitation over the mountainous region of Taiwan by acting as ice-nucleating particles. We run the Weather Research and Forecasting model (WRF) with the Morrison two-moment and spectralbin microphysics (SBM) schemes at 3 km resolution, using dust number concentrations from a global chemical transport model (GEOS-Chem-APM). The case study indicates that the long-range-transported mineral dust, with relatively low number concentrations, can notably affect the properties of convective clouds (ice and liquid water contents, cloud top height, and cloud coverage) and precipitation (spatial pattern and intensity). The effects of dust are evident during strong convective periods, with significantly increased ice water contents in the mixed-phase regime via the enhanced heterogeneous freezing. With both the Morrison and SBM schemes, we see the invigoration effects of dust aerosols on the convective intensity through enhanced condensation and deposition latent heating. The low-altitude dust particles are uplifted to the freezing level by updrafts, which, in turn, enhance the convective cloud development through immersion freezing and convective invigoration. Compared to the Morrison scheme, the SBM scheme predicts more realistic precipitation and different invigoration effects of dust. The differences are partially attributed to the saturation adjustment approach utilized in the bulk scheme, which leads to a stronger enhancement of condensation at midlatitudes to low altitudes and a weaker deposition increase at the upper level.
类型	Article
语种	英语
开放获取类型	gold, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000724548500001
WOS关键词	PARTICLE-SIZE DISTRIBUTION ; ASIAN DUST ; SAHARAN DUST ; DESERT DUST ; MICROPHYSICS PARAMETERIZATIONS ; RAINFALL CHARACTERISTICS ; EXTREME RAINFALL ; AEROSOL IMPACTS ; ICE NUCLEATION ; SENSITIVITY
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/373987
作者单位	[Zhang, Yanda; Yu, Fangqun; Luo, Gan] SUNY Albany, Atmospher Sci Res Ctr, Albany, NY 12203 USA; [Fan, Jiwen] Pacific Northwest Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99354 USA; [Liu, Shuai] Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Yanda,Yu, Fangqun,Luo, Gan,et al. Impacts of long-range-transported mineral dust on summertime convective cloud and precipitation: a case study over the Taiwan region[J],2021,21(23):17433-17451.
APA	Zhang, Yanda,Yu, Fangqun,Luo, Gan,Fan, Jiwen,&Liu, Shuai.(2021).Impacts of long-range-transported mineral dust on summertime convective cloud and precipitation: a case study over the Taiwan region.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(23),17433-17451.
MLA	Zhang, Yanda,et al."Impacts of long-range-transported mineral dust on summertime convective cloud and precipitation: a case study over the Taiwan region".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.23(2021):17433-17451.