Arid
DOI10.1016/j.jqsrt.2015.05.005
An assessment of the bidirectional reflectance models basing on laboratory experiment of natural particulate surfaces
Sun, Zhongqiu1; Lv, Yunfeng2; Lu, Shan1
通讯作者Lu, Shan
来源期刊JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
ISSN0022-4073
EISSN1879-1352
出版年2015
卷号163页码:102-119
英文摘要

The bidirectional reflectance model is commonly used to study surface structure and composition of atmosphereless celestial bodies basing on photometric measurements. We conducted a test of two bidirectional reflectance models, which are theoretically similar but with different form, to assess their ability for calculating the bidirectional reflectance of particulate surfaces and if the parameters could be confidently linked to the surface’s property. Two types of natural particulate surfaces with controlled particle sizes vary from 300 mu m to 900 mu m have been measured in the visible and near-infrared wavelength with the NENULGS (Northeast Normal University Laboratory Goniospectrometer System), we only used these measurement results at 560 nm and 670 nm which are regarded to the evaluation standard of models. In this range of particle size, the bidirectional reflectance models were well match to the experimental data as the results shown in previous publications. Although some parameters of the models can be used to simulate the reflectance of particulate surface, they contain no reliable information on the physical property of our samples. Furthermore, the influence of the number of viewing angles on the precision of modeling results has been tested in this paper. It is clear that an increase of the number of viewing angles and the range of azimuth angles could allow us to improve precision on the estimation of parameters. Comparing with the best fitted model reflectance, we also found that if we used the parameters, which derived from measurements in the principal plane for individual incident zenith angle, to model the bidirectional reflectance may overestimate the computed results in the backward scattering direction and underestimate the computed results in the forward scattering direction. The difference between modeled results and measurements can reach up to 20% in the backward direction when using the parameters inverted in the principal plane. However, if we used the parameters, which derived from the combined measurements in the principal plane for two incident zenith angles, to model the bidirectional reflectance, the maximum difference reaches up to 50% in the backward direction. In the context of experimental measurement study, we suggest that there must be enough measured results at different viewing and azimuth angles when using the bidirectional reflectance models, which are considered as semi-empirical at best, to describe the scattering property or surface structure of particulate system as shown in this study. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Experimental measurements Photometry Reflectance model Particulate surfaces
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000358624100010
WOS关键词HAPKE PHOTOMETRIC MODEL ; SOIL SPECTRAL REFLECTANCE ; WIND-TUNNEL ABRASION ; RADIATIVE-TRANSFER ; MULTIPLE-SCATTERING ; ASYMMETRY PARAMETERS ; SPHERICAL-PARTICLES ; LIGHT-SCATTERING ; DESERT SURFACES ; PHASE FUNCTION
WOS类目Optics ; Spectroscopy
WOS研究方向Optics ; Spectroscopy
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/188923
作者单位1.NE Normal Univ, Sch Geog Sci, Changchun 130024, Peoples R China;
2.Changchun Normal Univ, Coll Urban & Environm Sci, Changchun 130032, Peoples R China
推荐引用方式
GB/T 7714
Sun, Zhongqiu,Lv, Yunfeng,Lu, Shan. An assessment of the bidirectional reflectance models basing on laboratory experiment of natural particulate surfaces[J],2015,163:102-119.
APA Sun, Zhongqiu,Lv, Yunfeng,&Lu, Shan.(2015).An assessment of the bidirectional reflectance models basing on laboratory experiment of natural particulate surfaces.JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER,163,102-119.
MLA Sun, Zhongqiu,et al."An assessment of the bidirectional reflectance models basing on laboratory experiment of natural particulate surfaces".JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 163(2015):102-119.
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