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DOI10.1029/2019JD031187
Macrophysical and Microphysical Characteristics of Convective Rain Cells Observed During SOS-CHUVA
Cecchini, Micael Amore1; Silva Dias, Maria A. F.1; Machado, Luiz A. T.2,3; Morales Rodriguez, Carlos A.1; Biscaro, Thiago2
2020-07-16
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2020
卷号125期号:13
文章类型Article
语种英语
国家Brazil; Germany
英文摘要

In this study, we present a methodology to study the properties of convective precipitation in a holistic way. We apply a tracking algorithm to X-band radar retrievals to store Lagrangian properties of convective rain cells. The height of maximum reflectivity (H-Zmax) is combined with the vertically integrated water (VIW) to provide a useful parameter space to constrain the microphysical study of the cells. This parameter determines most of the shape of the vertical structure of rain cells, where VIW acts as a modulating factor. Decreases inH(Zmax)are likely associated to enhanced collection processes, which favor growth of reflectivity (Z), differential reflectivity (Z(dr)), differential attenuation (K-dp), and droplet mean volume diameter (D-0). This growth is further favored under higher VIW conditions. By discriminating the microphysical analysis byH(Zmax)and VIW, droplet growth can be analyzed in different types of rain cells and stages of life cycle. Overall, the results presented here can help understand the constraints of the vertical structure of rain cells and microphysical properties from the combination ofH(Zmax)and VIW. Contrary to the microphysical retrievals themselves, computations ofH(Zmax)and VIW do not depend on dual polarization.


英文关键词weather radar rain cells tracking holistic approach
领域气候变化
收录类别SCI-E
WOS记录号WOS:000551484700040
WOS关键词STORM IDENTIFICATION ; VERTICAL VELOCITY ; LIQUID WATER ; TRACKING ; PHASE ; CLOUD ; CLIMATOLOGY ; TRAJECTORIES ; STATISTICS ; ALGORITHM
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/289516
专题气候变化
作者单位1.Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer IAG, Sao Paulo, Brazil;
2.Inst Nacl Pesquisas Espaciais INPE, Ctr Previsao Tempo & Estudos Climat CPTEC, Cachoeira Paulista, Brazil;
3.Max Planck Inst Chem, Multiphase Chem Dept, Mainz, Germany
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GB/T 7714
Cecchini, Micael Amore,Silva Dias, Maria A. F.,Machado, Luiz A. T.,et al. Macrophysical and Microphysical Characteristics of Convective Rain Cells Observed During SOS-CHUVA[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(13).
APA Cecchini, Micael Amore,Silva Dias, Maria A. F.,Machado, Luiz A. T.,Morales Rodriguez, Carlos A.,&Biscaro, Thiago.(2020).Macrophysical and Microphysical Characteristics of Convective Rain Cells Observed During SOS-CHUVA.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(13).
MLA Cecchini, Micael Amore,et al."Macrophysical and Microphysical Characteristics of Convective Rain Cells Observed During SOS-CHUVA".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.13(2020).
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