气候变化领域集成服务门户(CCPortal): Ice Particle Size Distributions From Composites of Microphysics Observations Collected in Tropical Cyclones

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DOI	10.1029/2020GL088762
	Ice Particle Size Distributions From Composites of Microphysics Observations Collected in Tropical Cyclones
	Leighton H.; Black R.; Zhang X.; Marks F.D.; Jr.; Gopalakrishnan S.G.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:15
英文摘要	Ice microphysics observations collected from eight flights into tropical cyclones (TCs) were analyzed to examine the performance of exponential versus gamma functions in representing the particle size distributions (PSDs) for cloud ice, snow, and graupel. Eighty-four percent (87%) of cloud ice (snow) PSDs are above the correlation threshold of 0.9 between observations and the corresponding fitted curves by gamma fits, while only 43% (55%) of cloud ice (snow) PSDs by exponential fits. Sixteen percent of graupel PSDs are above the threshold by gamma fits but none by exponential fits. The intercept, slope, and shape in gamma functions are mutually dependent. When one among the three parameters is prescribed, the other two can be empirically rendered from the mutual-dependence relationship. Counterintuitively, temperature does not play a conspicuous role in controlling ice PSDs in the TC environment but horizontal winds do, especially for snow, through the breakup process. © 2020 The Authors.
英文关键词	Curve fitting; Hurricanes; Particle size; Size distribution; Snow; Storms; Tropics; Correlation threshold; Gamma function; Horizontal winds; Microphysics; Mutual dependences; Three parameters; Tropical cyclone; Ice; ice cover; observational method; particle size; size distribution; snow cover; threshold; tropical cyclone
语种	英语
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/169970
作者单位	Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, United States; NOAA/AOML/Hurricane Research Division, Miami, FL, United States
推荐引用方式 GB/T 7714	Leighton H.,Black R.,Zhang X.,et al. Ice Particle Size Distributions From Composites of Microphysics Observations Collected in Tropical Cyclones[J],2020,47(15).
APA	Leighton H.,Black R.,Zhang X.,Marks F.D.,Jr.,&Gopalakrishnan S.G..(2020).Ice Particle Size Distributions From Composites of Microphysics Observations Collected in Tropical Cyclones.Geophysical Research Letters,47(15).
MLA	Leighton H.,et al."Ice Particle Size Distributions From Composites of Microphysics Observations Collected in Tropical Cyclones".Geophysical Research Letters 47.15(2020).