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DOI | 10.1175/JAS-D-19-0031.1 |
Oriented Ice Crystals: A Single-Scattering Property Database for Applications to Lidar and Optical Phenomenon Simulations | |
Saito, Masanori; Yang, Ping | |
2019-09-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES |
ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2019 |
卷号 | 76期号:9页码:2635-2652 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A database (TAMUoic2019) of the scattering, absorption, and polarization properties of horizontally oriented hexagonal plates (HOPs) and horizontally oriented hexagonal columns (HOCs) at three wavelengths (355, 532, and 1064 nm) is developed for applications to radiative transfer simulations and remote sensing implementations involving oriented ice crystals. The maximum dimension of oriented ice crystals ranges from 50 to 10 000 mu m in 165 discrete size bins. The database accounts for 94 incident directions. The single-scattering properties of oriented ice crystals are computed with the physical-geometric optics method (PGOM), which is consistent with the invariant-imbedding T-matrix method for particles with size parameters larger than approximately 100-150. Note that the accuracy of PGOM increases as the size parameter increases. PGOM computes the two-dimensional phase matrix as a function of scattering polar and azimuth angles, and the phase matrix significantly varies with the incident direction. To derive the bulk optical properties of ice clouds for practical radiative transfer applications, the optical properties of individual HOPs and HOCs are averaged over the probability distribution of the tilting angle of oriented ice crystals based on the use of the TAMUoic2019 database. Simulations of lidar signals associated with ice clouds based on the bulk optical properties indicate the importance of the fraction of oriented ice crystals and the probability distribution of the tilting angle. Simulations of optical phenomena caused by oriented ice crystals demonstrate that the computed single-scattering properties of oriented ice crystals are physically rational. |
英文关键词 | Cloud microphysics Radiative transfer Databases Remote sensing |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000480545200002 |
WOS关键词 | CIRRUS CLOUD CLIMATOLOGY ; LIGHT-SCATTERING ; RADIATIVE-TRANSFER ; MICROPHYSICAL PROPERTIES ; MULTIPLE-SCATTERING ; PART II ; MATRIX ; PARTICLES ; BACKSCATTERING ; POLARIZATION |
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/186791 |
专题 | 地球科学 |
作者单位 | Texas A&M Univ, Dept Atmospher Sci, College Stn, TX 77843 USA |
推荐引用方式 GB/T 7714 | Saito, Masanori,Yang, Ping. Oriented Ice Crystals: A Single-Scattering Property Database for Applications to Lidar and Optical Phenomenon Simulations[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2019,76(9):2635-2652. |
APA | Saito, Masanori,&Yang, Ping.(2019).Oriented Ice Crystals: A Single-Scattering Property Database for Applications to Lidar and Optical Phenomenon Simulations.JOURNAL OF THE ATMOSPHERIC SCIENCES,76(9),2635-2652. |
MLA | Saito, Masanori,et al."Oriented Ice Crystals: A Single-Scattering Property Database for Applications to Lidar and Optical Phenomenon Simulations".JOURNAL OF THE ATMOSPHERIC SCIENCES 76.9(2019):2635-2652. |
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