中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
A Kind of Snow Grains and Shape Parameters Retrieval New Algorithm Based on Spectral Library

文献类型:期刊论文

作者Wang Jie1,2,3; Huang Chun-lin1; Wang Jian1; Cao Yong-pan1,2; Hao Xiao-hua1
刊名SPECTROSCOPY AND SPECTRAL ANALYSIS
出版日期2017-05-01
卷号37期号:5页码:1504-1508
关键词Spectral library Look-up-table minimal angle model Asymptotic radiative transfer model Snow grain size Snow shape parameters
ISSN号1000-0593
DOI10.3964/j.issn.1000-0593(2017)05-1502-05
通讯作者Huang Chun-lin(huangcl@lzb.ac.cn)
英文摘要Snow grain sizes retrieval accuracy was affected by many factors wile snow shape was an important factor. Asymptotic radiative transfer (ART) model used a digital simulation and asymptotic technology to simplify radiative transfer models, which was widely used to reverse snow grain. ART model considered two snow shape parameters, which depended on the snow grain shape and asymmetry (considering 3.62 for fractal particles; and 4.53 for spheres particles). In reversing snow grain processing of ART, the shape parameters were determined beforehand, but in nature snow particles might take on different shapes, and ART couldn't accurately reverse snow grain sizes with single shape parameter. In order to accurately reverse snow grain sizes, snow grain sizes and shape parameters must be obtained simultaneously. Based on ART model, a Look-Up-Table Minimal Angle model was proposed to solve the problem. The new model could obtain the shape parameter values and snow grain sizes simultaneously, solving the problem of determining shape parameter value beforehand, which determined the shape parameter values automatically. Experimental results showed that new model could accurately retrieve snow particle sizes, which were more consistent with field validation datas.
收录类别SCI
WOS关键词SATELLITE DATA ; SIZE ; SCATTERING ; OPTICS
WOS研究方向Spectroscopy
WOS类目Spectroscopy
语种英语
WOS记录号WOS:000401880000031
出版者OFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
URI标识http://www.irgrid.ac.cn/handle/1471x/2557743
专题寒区旱区环境与工程研究所
通讯作者Huang Chun-lin
作者单位1.Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China West Normal Univ, Coll Land & Resources, Nanchong 637009, Peoples R China
推荐引用方式
GB/T 7714
Wang Jie,Huang Chun-lin,Wang Jian,et al. A Kind of Snow Grains and Shape Parameters Retrieval New Algorithm Based on Spectral Library[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2017,37(5):1504-1508.
APA Wang Jie,Huang Chun-lin,Wang Jian,Cao Yong-pan,&Hao Xiao-hua.(2017).A Kind of Snow Grains and Shape Parameters Retrieval New Algorithm Based on Spectral Library.SPECTROSCOPY AND SPECTRAL ANALYSIS,37(5),1504-1508.
MLA Wang Jie,et al."A Kind of Snow Grains and Shape Parameters Retrieval New Algorithm Based on Spectral Library".SPECTROSCOPY AND SPECTRAL ANALYSIS 37.5(2017):1504-1508.

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来源:寒区旱区环境与工程研究所

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