气候变化领域集成服务门户(CCPortal): Statistical analysis of ice microphysical properties in tropical mesoscale convective systems derived from cloud radar and in situ microphysical observations

CCPortal

DOI	10.5194/acp-20-3503-2020
	Statistical analysis of ice microphysical properties in tropical mesoscale convective systems derived from cloud radar and in situ microphysical observations
	Fontaine E.; Schwarzenboeck A.; Leroy D.; Delanoë J.; Protat A.; Dezitter F.; Walter Strapp J.; Edward Lilie L.
发表日期	2020
ISSN	16807316
起始页码	3503
结束页码	3553
卷号	20 期号:6
英文摘要	This study presents a statistical analysis of the properties of ice hydrometeors in tropical mesoscale convective systems observed during four different aircraft campaigns. Among the instruments on board the aircraft, we focus on the synergy of a 94 GHz cloud radar and two optical array probes (OAP; measuring hydrometeor sizes from 10 μm to about 1 cm). For two campaigns, an accurate simultaneous measurement of the ice water content is available, while for the two others, ice water content is retrieved from the synergy of the radar reflectivity measurements and hydrometeor size and morphological retrievals from OAP probes. The statistics of ice hydrometeor properties are calculated as a function of radar reflectivity factor measurement percentiles and temperature. Hence, mesoscale convective systems (MCS) microphysical properties (ice water content, visible extinction, mass-size relationship coefficients, total concentrations, and second and third moments of hydrometeor size distribution) are sorted in temperature (and thus altitude) zones, and each individual campaign is subsequently analyzed with respect to median microphysical properties of the merged dataset (merging all four campaign datasets). The study demonstrates that ice water content (IWC), visible extinction, total crystal concentration, and the second and third moments of hydrometeor size distributions are similar in all four types of MCS for IWC larger than 0.1 g m-3. Finally, two parameterizations are developed for deep convective systems. The first concerns the calculation of the visible extinction as a function of temperature and ice water content. The second concerns the calculation of hydrometeor size distributions as a function of ice water content and temperature that can be used in numerical weather prediction. © 2020 BMJ Publishing Group. All rights reserved.
关键词	cloud microphysics convective system hydromechanics ice mesoscale meteorology radar statistical analysis water content
语种	英语
来源机构	Atmospheric Chemistry and Physics
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/132145
推荐引用方式 GB/T 7714	Fontaine E.,Schwarzenboeck A.,Leroy D.,et al. Statistical analysis of ice microphysical properties in tropical mesoscale convective systems derived from cloud radar and in situ microphysical observations[J]. Atmospheric Chemistry and Physics,2020,20(6).
APA	Fontaine E..,Schwarzenboeck A..,Leroy D..,Delanoë J..,Protat A..,...&Edward Lilie L..(2020).Statistical analysis of ice microphysical properties in tropical mesoscale convective systems derived from cloud radar and in situ microphysical observations.,20(6).
MLA	Fontaine E.,et al."Statistical analysis of ice microphysical properties in tropical mesoscale convective systems derived from cloud radar and in situ microphysical observations".20.6(2020).